Events
Race Directors

Ultra Running Events in California

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Upcoming Events

Date Event City Distances
06/13/26 Holcomb Valley trail Run Big Bear Lake 33 Miles
06/13/26 Cool Moon Trail Runs Cool 50 Miles , 100 KM , 100 Miles
06/13/26 SF Half Day San Francisco 6 Hours , 12 Hours
06/13/26 Bay Area 100 Oakland 100 Miles
06/14/26 Tahoe 200 Endurance Run Homewood 200 Miles , 200 Miles
06/14/26 Tahoe 100k Lake Tahoe 100 KM
06/19/26 Orange Curtain Cerritos 6 Hours , 12 Hours , 24 Hours , 50 KM , 100 KM
06/19/26 Burney Mountain 100 Burney 100 Miles
06/20/26 Headwaters Trail Runs Mount Shasta 52 KM
06/20/26 Broken Arrow Skyrace Olympic Valley 46 KM
06/20/26 Black Mountain 50k San Diego 50 KM
06/20/26 Golden State 50K Salinas 50 KM
06/27/26 Western States 100 Olympic Valley 100 Miles
06/28/26 Big Chief 50K Truckee 50 KM
07/04/26 Rancho Hills Trail Run - Summer Morgan Hill 50 KM
07/11/26 San Lorenzo River Trail Run Santa Cruz 50 KM
07/18/26 Harding Hustle Modjeska Canyon 50 KM
07/24/26 South Bay 24 San Diego 6 Hours , 12 Hours , 12 Hours , 24 Hours
07/25/26 Dirty Dozen and Half Dozen Endurance Run Pinole 6 Hours , 12 Hours
07/25/26 Elder Creek Night Runs Anza 50 KM
07/25/26 Great Shasta Rail Trail McCloud 50 KM
07/25/26 Lost Sierra Endurance Race Downieville 50 KM , 100 KM
07/26/26 The San Francisco Marathon San Francisco 52.4 Miles
07/27/26 Badwater 135 Death Valley 135 Miles
08/01/26 Rodeo Valley Trail Run Sausalito 50 KM
08/01/26 Riley Park Trail Races Coto de Caza 6 Hours
08/02/26 Skyline 50K San Leandro 50 KM
08/08/26 Thunder Mountain 50K Trail Challenge Kit Carsom 50 KM
08/08/26 Skyline Wilderness Endurance Trail Run Napa 6 Hours , 12 Hours
08/08/26 Napa Lapa Napa 6 Hours , 12 Hours
08/15/26 Tamalpa Headlands 50K Muir Beach 50 KM
08/15/26 Bulldog 50K Ultra Run & 25K Trail Run Calabasas 50 KM , 75 KM
08/15/26 Almaden Hills Trail Run - Summer San Jose 50 KM
08/15/26 Redwood Summer Trail Run Oakland 50 KM
08/22/26 Trail Run at Sly Park - Summer Pollack Pines 50 KM
08/29/26 Tanri Lake Race Miramonte 10 Hours
08/30/26 Crystal Springs - Summer Woodside 50 KM
09/05/26 Noble Canyon Pine Valley 50 KM
09/06/26 CTR - Diablo Trail Run Clayton 50 KM
09/11/26 Mendocino Running Festival Mendocino 6 Hours , 12 Hours
09/12/26 Berkeley Trail Adventure Berkeley 50 KM
09/12/26 South Hills Single Track Trail Run - Summer San Jose 50 KM
09/18/26 Mile Madness Endurance Run Auburn 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 100 Miles
09/18/26 Last One Standing at Bradley California Bradley Backyard
09/19/26 Tierra Redonda Mountain Trail Run Bradley 24 Hours
09/25/26 mammoth trailfest. Mammoth Lakes 50 KM
09/26/26 Mt. Disappointment Mountain Race Sierra Madre 50 KM
09/26/26 Bandit Ultra Trail (Rocky Peak 50K) Simi Valley 50 KM
09/26/26 Dick Collins Firetrails Castro Valley 50 Miles , 100 KM
09/26/26 JP's Backyard Ultra/Hike Napa 10 Hours
09/26/26 Mount Disappointment Mountain Race Mt. Wilson 50 KM
09/27/26 Spartan Trail - San Jose Trail Challenge San Jose 50 KM
10/02/26 Back On The Ranch Trail Run Los Olivos 6 Hours , 12 Hours , 24 Hours , 48 Hours
10/02/26 THE MAMMOTH 200 Mammoth Lakes 200 Miles
10/03/26 Angeles Crest Wrightwood 100 Miles
10/03/26 Cuyamaca 100k Julian 100 KM
10/03/26 Signal Peak Trail Runs Emigrant Gap 50 KM
10/09/26 Kodiak Ultra Marathons Big Bear Lake 50 KM , 100 KM , 100 Miles
10/10/26 Ruth Anderson San Francisco 50 KM , 50 Miles
10/10/26 Euchre Bar Massacre Foresthill 50 Miles
10/10/26 That's No Moon Ultras & 30K Silverado 50 KM , 50 Miles
10/10/26 Mt. Umunhum Trail Conquest - Fall San Jose 50 KM
10/10/26 Sunset & Cider Trail Races Auburn 50 KM
10/11/26 Bizz Johnson Susanville 50 KM
10/17/26 Tahoe Midnight Express Ultra 72 Lake Tahoe 72 Miles
10/17/26 Lake Hodges Trail Fest San Diego 50 KM
10/17/26 The Peak 50K Julian 50 KM
10/17/26 California Fall Classic 100K and 55K Healdsburg 55 KM , 100 KM
10/17/26 Cahuilla Rez Ultra Anza 12 Hours , 24 Hours , 100 Miles
10/17/26 Sonoma Fall Classic Healdsburg 50 Miles , 100 Miles
10/17/26 The Jackalope Lope Redding 50 KM
10/22/26 Weekend at Burney Burney 12 Hours , 24 Hours , 48 Hours
10/23/26 San Diego 200 Escondido 200 Miles
10/23/26 NorCal Backyard Ultra Granite Bay Backyard , Backyard
10/23/26 Ragnar Trail SoCal Individual Warner Springs 6 Hours , 24 Hours
10/24/26 No Name Trail Races Agoura 50 KM
10/24/26 Trail Run at Sly Park - Fall Pollock Pines 50 KM
10/24/26 Range of Light Trail Races Bishop 50 KM
10/24/26 Wildwood Canyon Trail Run Yucaipa 8 Hours
10/24/26 Island View Endurance Run Goleta 50 KM , 100 KM , 100 Miles
10/28/26 Machete Trail Madness 100 Miler Perris 50 Miles , 100 Miles , 200 Miles
10/31/26 Caspers Trail Races San Juan Capistrano 50 KM
10/31/26 Halloween Spooktacular Laguna Beach 3 Hours , 6 Hours
11/07/26 Rio Del Lago Granite Bay 50 KM , 100 Miles
11/07/26 Lake Chabot Casto Valley 50 KM
11/07/26 Mt. Tam Trail Run Stinson Beach 50 KM
11/07/26 Women's Trail Run - Mermaid Series Woodside 6 Hours
11/08/26 Sri Chinmoy 6-Hour Race - San Diego San Diego 6 Hours
11/14/26 Roosters Backyard Ultra San Diego Backyard
11/14/26 Live Oak Odyssey Trabuco Canyon 6 Hours
11/20/26 Operation OCALI Malibu 69 Miles
11/21/26 Darrington Single Track Trail Challenge Pilot Hill 36 Miles
11/28/26 Quad Dipsea Mill Valley 28.4 Miles
11/28/26 Boundiful Endurance Runs Hemet 6 Hours , 12 Hours , 24 Hours , 100 Miles
12/05/26 Over The Hill Track Club High Desert 50K Ridgecrest 50 KM
12/05/26 Ray Miller 50/50 Malibu 50 KM , 50 Miles
12/05/26 San Joaquin River Trail Friant 50 KM
12/05/26 Calero Trail Run - December San Jose 50 KM
12/05/26 Anza Borrego Cuyamaca 50 Mile Run Julian 50 Miles
12/12/26 Magnolia Magic River Trail Run Pilot Hill 50 KM
12/19/26 Woodside Ramble - Winter Woodside 50 KM
12/20/26 Dirty December Poker Run San Diego 6 Hours
12/31/26 New Year's One Day San Jose 6 Hours , 12 Hours , 24 Hours , 100 Miles
01/09/27 Avalon Benefit 50 Avalon 50 KM , 50 Miles
01/09/27 San Diego 50 and Trail Runs Escondido 50 Miles
01/16/27 Coyote Cohorts Backbone Trail Ultra Santa Monica Mountains 68 Miles
01/17/27 Crystal Springs - Winter Woodside 50 KM
01/23/27 Golden Gate Spartan Trail Classic San Francisco 50 KM , 50 Miles
01/24/27 Del Dios Trail Race Escondido 50 KM
01/29/27 24HR "The Grind" Perris 24 Hours
01/30/27 Sean O'Brien 100k/50M/50k Malibu 50 KM , 50 Miles , 100 KM
02/06/27 Jed Smith Sacramento 50 KM , 50 Miles
02/06/27 Golden Gate (Winter) Rodeo Beach 50 KM
02/12/27 Elevate 12 Hour Race Santa Maria 12 Hours
02/13/27 The Ranch 50k Escondido 50 KM
02/20/27 Montara Mountain Pacifica 50 KM
02/20/27 FOURmidable Cool 50 KM
02/20/27 Happy Chinese New Year San Diego 50 Miles
02/27/27 Salmon Falls 50K Pilot Hill 50 KM
02/27/27 Sycamore Canyon 100k & 50k San Diego 50 KM , 100 KM
02/27/27 SoCalUltraTrail at Tejon Ranch Lebec 50 KM , 100 KM
02/27/27 Will Rogers 24 Hour/12 Hours/6 Hour Pacific Palisades 6 Hours , 12 Hours , 24 Hours , 50 KM , 100 Miles
03/13/27 Old West Trail Runs Julian 50 KM
03/13/27 Santa Barbara Nine Trails Santa Barbara 35 Miles
03/19/27 San Diego Pirate's Cove 6/12/24 Hour Run/Walk Cuyamaca Lake 6 Hours , 12 Hours , 24 Hours
03/19/27 The Big Alta Marinwood 50 KM , 100 KM
03/20/27 Redwood Trail Run (Spring) Oakland 50 KM
03/20/27 VALENCIA Trail Race Valencia 50 KM
03/20/27 South Hills Single Track Trail Run - Spring San Jose 50 KM
03/27/27 Bad Ass Backyard Ultra Rio Linda Backyard , 12 Hours
04/10/27 Oriflamme Julian 50 KM
04/17/27 Leona Divide Lake Hughes 50 KM , 50 Miles , 100 KM , 100 Miles
04/17/27 Silver Moon Race - Kings River Reedley 6 Hours , 12 Hours , 24 Hours , 100 Miles
04/24/27 Canyons Endurance Runs Auburn 50 KM , 100 KM
04/24/27 SPASM Lake Chabot Trail Run Casto Valley 50 KM
04/30/27 San Diego 100 Lake Cuyamaca 100 Miles
04/30/27 Coyote Two Moon Ojai 55 KM , 55 Miles , 100 KM , 100 Miles
05/01/27 Santa Clarita Trail Race Santa Clarita 60 KM , 100 KM , 120 KM
05/08/27 John Wayne Grit Series - Newport Coast Laguna Beach 50 KM
05/12/27 Born to Run Ultra Marathons Los Olivos 72 Hours , 96 Hours , 100 Miles
05/15/27 Napa Wilderness Trail Runs Napa 50 KM
05/15/27 O'Neill Park Trail Races Trabuco Canyon 50 KM
05/15/27 Rim Rock 50 Mile Trail Challenge Napa 50 Miles
05/22/27 Run for Amma Sunnyvale 50 KM
05/29/27 Pacifico Ultra Palmdale 50 KM
06/05/27 Shadow of the Giants Fishcamp 50 KM

Past Events

Date Event City Distances
06/06/26 PCT 50 Cleveland National Forest 50 KM , 50 Miles
06/06/26 Malibu Canyon Trail Races (SAMO 100 Mile) Malibu 50 KM , 50 Miles , 100 KM , 100 Miles
05/31/26 Run The Rim Arnold 50 KM
05/30/26 Cinderella Trail - Spring Oakland 50 KM
05/23/26 Nanny Goat Riverside 6 Hours , 12 Hours , 24 Hours , 100 Miles
05/23/26 Mission Trails Twilight Runs San Diego 50 KM
05/16/26 Bishop High Sierra Bishop 50 KM , 55 KM , 50 Miles , 100 KM
05/16/26 Corral Canyon Trail Scramble Campo 50 KM
05/09/26 Quicksilver San Jose 50 KM , 50 Miles , 100 KM
05/09/26 Grizzly Peak Berkeley 50 KM
05/09/26 Paiute Meadows Trail Run Susanville 50 KM
05/02/26 Miwok Stinson Beach 60 KM , 100 KM , 100 KM
05/02/26 Wild Wild West Marathon And Ultra Lone Pine 50 KM , 50 Miles
05/02/26 Folsom Lake Trail Run - Spring Folsom 50 KM
04/25/26 Machete Trail Madness 100k & 50k Perris 50 KM , 100 KM
04/25/26 Las Virgenes Canyon Trail Races Los Angeles (West Hills) 54 KM , 84 KM
04/25/26 SoCal Redwood Race Brea 6 Hours , 12 Hours
04/18/26 Woodside Crossover Woodside 50 KM
04/18/26 Badwater Salton Sea Borrego Springs 81 Miles
04/18/26 Mendocino Coast 50k Mendocino 50 KM
04/18/26 Outlands Pilot Hill 50 KM , 50 Miles
04/17/26 Run4Kids 24 Hour Running Party Corona 6 Hours , 12 Hours , 24 Hours , 50 Miles , 100 Miles
04/12/26 Calistoga Mountain Run Calistoga 50 KM
04/11/26 Lake Sonoma 100K & 50K Healdsburg 50 KM , 50 Miles , 100 KM
04/04/26 American River Folsom 50 Miles
04/04/26 Diablo Trails Challenge Walnut Creek 50 KM
04/04/26 Santa Barbara Tough Enough Santa Barbara 59 Miles
03/28/26 Griffith Park Trail Los Angeles 50 KM
03/21/26 J Treequinox Joshua Tree 12 Hours
03/21/26 Rattlesnake Dick Cool 50 KM
03/21/26 Monserate Endurance Test Fallbrook 6 Hours , 12 Hours
03/14/26 Folsom Lake South Side Trail Run Folsom 50 KM , 38 Miles
03/14/26 Marin Ultra Challenge Sausalito 50 KM , 50 Miles
03/14/26 Ruck A Chuck 50k Foresthill 50 KM
03/07/26 Way Too Cool Cool 50 KM
03/07/26 Chanoko Trail Runs Rocklin 50 KM
03/07/26 Skyline Ridge Trail Run La Honda 50 KM
02/27/26 Big Bloops Ultra Palo Alto 24 Hours
02/21/26 Chabot/Redtail Ridge - Inside Trail Castro Valley 50 KM
02/14/26 Giro di Fremont Fremont 50 KM , 60 KM
02/07/26 Fort Ord Trail Run Monterey 50 KM , 100 KM
02/07/26 Mt. Umunhum Trail Conquest San Jose 50 KM
02/07/26 Monterey Ultra Monterey 50 Miles
01/25/26 Calico Trail Run Barstow 50 KM
01/24/26 Folsom Lake Sweet Water Trail Run Folsom 50 KM
01/24/26 La Cuesta Ranch Trail Run San Luis Obispo 28 Miles , 50 KM
01/10/26 No Hands Auburn 50 KM
01/10/26 Double Double Double 50K Placerville 50 KM
01/03/26 Hacienda Hills Run - Winter San Jose 50 KM
01/03/26 Lost Coast 55K Whitethorn 55 KM
12/20/25 Paramount Ranch Trail Runs Calabasas 50 KM , 50 KM
12/13/25 Chino Hills Trail Run Series Brea 50 KM
12/13/25 Doomsday Cool 50 KM
12/13/25 Lunatic Loop 6/12 hour run Ramona 6 Hours , 12 Hours
12/07/25 Hunter S. Thompson Fear & Loathing San Francisco 50 KM , 50 Miles
11/22/25 Captain's Winter Solstice Runaround Modesto 6 Hours , 8 Hours , 12 Hours
11/22/25 HOKA Pacific Trails California by UTMB Rancho San Fernando Rey 50 KM
11/08/25 Rancho Hills Trail Run - Fall Morgan Hill 50 KM
11/01/25 Almaden Hills Trail Run - Fall San Jose 50 KM
10/25/25 Pinkathon Challenge for Breast Cancer San Francisco 50 KM
10/18/25 rnnr FAT ASS 2/4/6 Hour Redlands 6 Hours
10/05/25 Spooner's Cove Los Osos 50 KM
10/05/25 Yuba Gold Nevada City 50 KM
09/06/25 China Peak Running Festival Lakeshore 50 KM , 100 KM
08/29/25 Run-de-Vous San Martin 14 Hours , 50 KM , 50 Miles , 100 KM , 100 Miles , 126 Miles
08/01/25 Folsom 100 Granite Bay 54 Miles , 100 Miles
07/12/25 Salt Point Trail Run Jenner 50 KM
06/07/25 Mt Umunhum Ultras San Jose 50 KM , 50 Miles , 52 Miles , 100 KM
06/01/25 Spartan Trail Monterey Salinas 50 KM
05/31/25 Calero Trail Run - Spring San Jose 50 KM , 50 Miles
05/31/25 Sonoma Coast Trail Runs Duncans Mills 50 KM
05/17/25 Proctor Valley Monster Endurance Run Chula Vista 60 KM
05/10/25 Trail Run at Sly Park - Spring Pollack Pines 50 KM
05/03/25 Hacienda Hills Trail Run - Spring San Jose 50 KM
05/03/25 Hollywood to the Sea Los Angeles 75 Miles
04/20/25 Horseshoe Lake Trail Run Palo Alto 50 KM
04/19/25 Sierra Azul Trail Challenge Run Los Gatos 50 KM
04/05/25 Beyond Limits Ultra Mountain Center 24 Hours , 48 Hours , 72 Hours , 50 KM , 50 Miles , 100 Miles , 200 Miles
03/29/25 Montana de Oro Los Osos 50 KM
03/29/25 Terrible, Horrible, No Good, Very Bad Day 50k Los Gatos 50 KM
03/15/25 Gabrielino 50K Altadena 50 KM
11/17/24 Joshua Tree Traverse Yucca Valley 60 KM
10/26/24 REVOLUTION XT ULTRA CHALLENGE Tracy 6 Hours , 12 Hours , 24 Hours
10/19/24 SAMO Trail Runs Pacific Palisades 50 KM , 50 Miles
10/05/24 Dead Truck Cool 50 KM
09/28/24 Arnold Rim Trail Arnold 37 Miles
09/28/24 Mt Umunhum to Quicksilver Point to Point San Jose 50 KM
09/21/24 Greenhorn Ranch Trail Run Quincy 50 KM
09/07/24 The Groves Trail Run Loma Mar 50 KM , 50 KM
08/10/24 Rodeo Beach Trail Run Sausalito 50 KM
08/10/24 Headlands Sausalito 50 Miles , 100 KM , 75 Miles , 100 Miles , 150 Miles
08/03/24 Kirkwood's Ultras Kirkwood 50 KM , 46 Miles , 50 Miles , 100 KM , 100 Miles
07/13/24 Run 12 Hours - San Diego San Diego 12 Hours
07/06/24 SISU 24 Monrovia 24 Hours , 100 Miles
06/09/24 Whiting Ranch Trail Races Trabuco Canyon 50 KM
06/01/24 The Loco Go Big or Go Home Challenge Forest Ranch 50 KM , 100 KM , 100 Miles
05/18/24 Born to Adapt Los Olivos 30 Miles
05/04/24 Little Loco Forest Ranch Backyard , 6 Hours , 12 Hours
05/03/24 Bay Area Backyard Ultra Mt. Hamilton Backyard
04/20/24 G-Bar Ultra and Trail Run Mariposa 29 Miles
04/13/24 Placer Trail Running Festival Auburn 50 KM
03/22/24 RUN4Kids 48r Hour Running Party Corona 6 Hours , 12 Hours , 24 Hours , 25 Hours , 48 Hours , 50 Miles , 100 Miles
03/07/24 lululemon 6 Day Race Palm Springs 144 Hours
03/02/24 North Marin Ridge Run Lagunitas 50 KM
02/24/24 Silver Moon Race - Paso Robles Paso Robles 6 Hours , 12 Hours , 2 Miles , 24 Hours , 10 KM , 100 Miles
02/17/24 Placerita Canyon Trail Runs Santa Clarita 50 KM
01/13/24 Meat Grinder Newcastle 50 KM
01/07/24 Epiphany Ultra Oakland 50 KM , 66 KM
11/05/23 San Luis Obispo Spartan Trail Santa Margarita 50 KM
11/04/23 Woodside Trail Run Woodside 45 KM , 50 KM , 50 Miles
10/28/23 San Jacinto 50K Idyllwild 50 KM
09/30/23 Saddle2Surf 100/50 Norco 50 Miles , 100 Miles
09/23/23 Ride To Walk Endurance Race Lincoln 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 100 Miles
07/22/23 Kirkwood's Thunder Mountain Trail Challenge Kirkwood 50 KM
05/20/23 San Francisco 50/50 Rodeo Beach 50 KM , 50 Miles , 100 Miles
05/20/23 Forest Ranch Four Forest Ranch 50 KM , 100 KM
04/29/23 Wandering Idiot Festival Of Hills Elk Creek 6 Hours , 12 Hours , 24 Hours
04/29/23 Red Hills Ramble Tuolumne 50 KM
04/01/23 Cirque du Griffith Park 100-Mile & 6/12/24 Hour Ultra Runs Los Angeles 6 Hours , 12 Hours , 24 Hours , 100 Miles
01/28/23 Ordnance 100K Salinas 100 KM
11/19/22 Best Runner (Best of San Diego ) San Diego 50 KM , 50 Miles , 100 KM , 120 KM , 140 KM , 100 Miles
11/19/22 Peninsula Trail Running Festival Redwood City 40 Miles
10/29/22 Atlas Trail Series- Two Trees Challenge Ventura 6 Hours , 12 Hours
10/08/22 Ultra Trails Lake Tahoe Lake Tahoe 50 KM , 50 Miles , 100 KM , 100 Miles
09/10/22 Overlook Endurance Runs Foresthill 50 KM , 50 Miles , 100 KM
07/09/22 Golden Gate Trail Run (Summer) Rodeo Beach 50 KM
05/22/22 Ohlone Fremont 29.8 Miles , 50 KM
05/21/22 Rock It at Caspers Wilderness Park San Juan Capistrano 50 KM
05/07/22 The 4MPH Challenge Whiskeytown Backyard , Backyard
04/30/22 Ridge Route Ultra Castaic 50 KM , 50 Miles
04/16/22 Mokelumne River 50 Valley Springs 50 KM , 50 Miles
04/09/22 Merced Canyon Endurance Runs Briceburg 44 KM
03/26/22 No'to'mom Endurance Runs Sacramento 50 KM , 100 KM
03/19/22 El Cajon Mountain Ultramarathons Lakeside 33 Miles , 44 Miles
01/15/22 Pacifica Trail Run Pacifica 50 KM
01/15/22 One Day In Auburn Auburn 6 Hours , 6 Hours , 12 Hours , 12 Hours , 24 Hours , 24 Hours
01/08/22 Sean O'Brien 50k Malibu 50 KM
01/08/22 Saratoga to the Sea Saratoga 50 KM
12/26/21 DayDayUp Miramar San Diego 24 Hours
11/21/21 Spartan Trail SoCal Lebec 50 KM
11/13/21 Two Peaks Redding 50 KM , 50 Miles
11/13/21 Day On The Ranch Quincy 6 Hours , 12 Hours , 24 Hours
11/07/21 Whiskey Hill Redwood Run Woodside 50 KM
10/30/21 Gravenstein 8 Hour Sebastopol 8 Hours
10/23/21 Vista Verde Skyline Run Palo Alto 50 KM
10/09/21 Elder Creek Trail Runs 50mile/100k Anza 24 Hours , 50 KM , 50 Miles , 100 KM
10/02/21 Echo Summit Trail Run Challenge Twin Bridges 5 KM , 10 KM , 10 Miles , 13.1 Miles , 20 Miles , 26.2 Miles , 50 KM , 40 Miles , 50 Miles
10/02/21 Castle Crags 50k/30k/10k Castella 50 KM
09/04/21 The High Sierra 50K Kyburz 50 KM
08/14/21 Castle Peak 100k Truckee 100 KM
07/10/21 Sisyphus Ultra Challenge Hemet Backyard , 12 Hours , 24 Hours , 48 Hours , 100 Miles , 200 Miles
07/03/21 Lovers Leap of Faith Kyburz 50 KM , 50 Miles , 100 KM
06/26/21 Mt Shasta Trail Runs Mt Shasta 50 KM , 50 Miles
06/19/21 The Sierra Azul Ultras Almaden 50 KM , 50 Miles , 100 KM
06/12/21 Running Is Not Closed Trail Run #3 Whiting Ranch 50 KM
06/11/21 Last Runner Running Cool Backyard
05/22/21 Devil's Slide Run Pacifica 4 KM , 11 KM , 13.1 Miles , 30 KM , 50 KM
05/16/21 Tamalpa 50K Tamalpa 50 KM
05/01/21 Armstrong Redwoods Trail Run Guerneville 50 KM
04/25/21 Mountain Brow House 50K Woodside 50 KM
04/11/21 Le Tour De Orange County Mission Viejo 50 KM , 50 Miles
03/27/21 Dirty Feet Winter Trail Series #5 Julian, CA 50 KM
03/20/21 Drum Canyon Ranch Trail Run Lompoc 50 KM
03/20/21 Dirty Feet Winter Trail Series #4 Julian 50 KM
02/27/21 Dirty Feet Winter Trail Series #3 Julian 50 KM
02/20/21 Lake Hughes 30k/50k Lake Hughes 50 KM
02/06/21 Elder Creek Trail Runs 30k/50k Anza 50 KM
01/30/21 Casper the friendly ghost 50k/30k San Juan Capistrano 50 KM
01/24/21 Hoka One One Project Carbon X Sacramento 50 KM , 50 Miles , 100 KM
01/16/21 Le Tour De Mission Viejo San Juan Capistrano 50 KM
12/27/20 Doce Canyon 50k/30k Dove Canyon 50 KM
12/20/20 The Ridge San Francisco 60 KM
12/19/20 Running Is Not Closed Run #11 Mission Viejo 50 KM
12/12/20 Running Is Not Closed Trail Run #8 San Juan Capistrano 50 KM
11/21/20 Chimera Cleveland National Forest 40 Miles , 100 KM , 100 KM , 100 Miles , 100 Miles
11/21/20 Santa Barbara Red Rock Santa Barbara 40 Miles , 50 Miles
11/14/20 Sugarhood Santa Rosa 50 KM , 50 KM
11/14/20 Running Is Not Closed Trail Run #4 Rancho Santa Margarita 50 KM
11/08/20 Brooks Running 50k Fresno 50 KM
11/07/20 BBT 68 Pacific Palisades 68 Miles
11/07/20 Chiquita Falls 40 Mile / 20 Mile Lake Elsinore 40 Miles
10/31/20 C2M OJAI 100 Miles
10/24/20 SLO Ultra San Luis Obispo 50 KM , 50 Miles
10/18/20 BLU-Light Mountain Center 50 KM
10/17/20 Twin Peaks 50 Corona 50 KM , 50 Miles
10/17/20 Running Is Not Closed Trail Run #1 Ladera Ranch 50 KM
10/03/20 Skyline to the Sea Saratoga 50 KM
09/26/20 HIGHLANDER 100 - There can be only 1 Mount Baldy 50 KM , 60 Miles , 100 Miles
09/19/20 San Jose Trail Run San Jose 50 KM
09/14/20 Folsom Lake Ultra Trail Auburn 68.5 Miles
09/05/20 Running Is Not Closed Trail Run #9 Laguna Niguel 50 KM
08/30/20 DSE Distance Classic San Francisco 6 Hours , 12 Hours
08/29/20 Running Is Not Closed Trail Run #7 Malibu 55 KM
08/15/20 Race the Peak Trail Run Lakeshore 50 KM
08/15/20 Running Is Not Closed Trail Run # 6 Malibu 50 KM
08/08/20 Coastal 50K Stinson Beach 50 KM
08/08/20 Running Is Not Closed Trail Run #5 Newport Beach 50 KM
08/01/20 Lost and Found Soda Springs 55 KM
08/01/20 River Park Ultras Lakeside Backyard , 6 Hours , 12 Hours , 24 Hours
07/17/20 California Untamed- The Beast 330 Arcata 330 KM
07/05/20 Running Is Not Closed Trail Run #2 Irvine 50 KM
07/04/20 Mount Diablo Trail Run - Summer Clayton 50 KM , 50 KM , 60 KM
05/31/20 Big Basin - Skyline to Sea Los Gatos 50 KM
05/09/20 Whoos in El Moro - Spring Newport Beach 50 KM
05/09/20 Baldy Marathons Mount Baldy Ski Lodge 50 KM , 40 Miles , 100 KM , 100 Miles
04/18/20 Saratoga Trail Run Saratoga 50 KM
04/18/20 Henry Coe Adventure 100K Morgan Hill 100 KM
03/28/20 Old Goat Lake Elsinore 50 KM , 50 KM , 50 Miles , 50 Miles
03/28/20 Red Dragon Pilot Hill 55 KM
03/14/20 Pioneer Spirit 50 Folsom 50 Miles
02/22/20 Mt Umunhum Trail Run San Jose 52 KM
01/25/20 Eldrith Mill Valley 50 KM
01/18/20 Celtic Winter Classic 24 Hour Run Bakersfield 12 Hours , 24 Hours , 50 KM , 50 Miles , 100 Miles
01/18/20 Fremont Fat Ass 50k Fremont 50 KM
01/18/20 Rotten Egg Joshua Tree Backyard
01/11/20 Steep Ravine Stinson Beach 50 KM
12/14/19 Snowberry Creek Folsom 50 KM
11/16/19 The North Face Endurance Challenge California Marin 50 KM , 50 Miles
10/19/19 Sac River Trail Races Redding 55 KM , 50 Miles
10/19/19 Marine Mammals 60K Sausalitio 60 KM
10/12/19 Santa Barbara 100 Santa Barbara 50 KM , 50 Miles , 100 KM , 100 Miles
09/28/19 Cow Town Challenge Vacaville 50 KM
09/07/19 Los Pinos Lake Elsinore 50 KM
08/17/19 Julian Station Full Moon Run Julian 12 Hours , 24 Hours
07/13/19 Sierra Crest 50K Truckee 50 KM
06/01/19 Kodiak National Trails Day Run Big Bear Lake 50 KM
04/13/19 Whiskeytown Waterfalls Races Whiskeytown 50 KM
03/30/19 Bar Hopper Trail/Ultra Fair Oaks 50 KM
01/26/19 From Dawn Till Dusk San Diego 10 Hours
10/20/18 Whoos in El Moro - Fall Newport Beach 50 KM
10/13/18 Coyote Ridge Muir Beach 50 KM
10/13/18 Pacifica Summit San Pedro Valley State Park 50 KM
09/22/18 Stevens Creek Striders Trail Races Los Altos Hills 50 KM
08/18/18 Robinson Flat 35k and 50k Tahoe National Forest 50 KM
08/18/18 Mount Madonna Trail Run Watsonville 50 KM
08/05/18 BayTrailrunners Coastal Marin 50K Olema to San Francisco 50 KM
07/01/18 Run with the Ponies Georgetown 50 KM
06/02/18 San Francisco Summer Solstice San Francisco 6 Hours , 12 Hours , 24 Hours
04/28/18 Lost Boys Borrego Springs 55 KM , 50 Miles
04/28/18 Rodeo Beach Rumble Golden Gate Nat'l Rec Area 50 KM
04/14/18 K2 Challenge – 4mph or out! Auburn 6 Hours
03/24/18 Man vs. Horse - Indian Wells Ultra Inyokern 50 KM , 50 Miles
03/24/18 Montecito Cold Spring School Tuff Benefit Run Santa Barbara 6 Hours , 12 Hours , 24 Hours
10/06/17 Moonlight Mooncake Run San Diego 12 Hours
09/16/17 Lovers Leap of Faith - Strawberry Strawberry 50 KM
05/13/17 Gold Rush Folsom 50 KM , 100 KM
04/22/17 Razorback Endurance Race San Martin 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 50 KM , 50 Miles , 100 KM , 100 Miles , 125 Miles
03/25/17 Barn Burner Sanger 6 Hours , 12 Hours , 24 Hours
03/18/17 Davis Two Day Davis 12 Hours , 24 Hours , 48 Hours
02/25/17 Riverbank One Day Riverbank 6 Hours , 12 Hours , 24 Hours
02/19/17 West Coast 50K San Jose 50 KM
02/04/17 American Canyon Ultra Marathon and Trail Race Auburn 50 KM
12/03/16 Arcata to Willow Creek Run Arcata 40 Miles
10/08/16 Dick Collins Firetrails (Inactive) Castro Valley 50 Miles
10/01/16 135M to the House Bakersfield 135 Miles
10/01/16 Sonoma ULTRA 50k Santa Rosa 50 KM
09/24/16 Ultra Race of Champions (UROC) - CA Auburn 50 KM , 100 KM
09/18/16 Fall Out of Summer @ Calero Park San Jose 50 KM
06/11/16 Rim to Rim Trail Run Chico 50 KM , 50 Miles
05/14/16 The Me-Ow! Marathons Whiskeytown 38 Miles , 52.4 Miles , 104.8 Miles
05/14/16 Pollock Pines Pollock Pines 50 KM
04/24/16 Coyote Lake Trail Run San Martin 50 KM
03/20/16 Canyon Meadow Winter Oakland 50 KM
03/13/16 Run Deo Run Trail Races Los Angeles 50 KM
02/06/16 Soboba Trail Race San Jacinto 50 KM
01/30/16 Bandit Ultra Trail Run Simi Valley 50 KM
01/09/16 Long Beach Enlightened Ultra Long Beach 50 KM , 50 Miles , 100 KM , 100 Miles
12/12/15 Malibu Canyon Calabasas 50 KM
11/15/15 Golden Rattle 50k Auburn 50 KM
10/17/15 100 Mile Endurance Challenge Corona 50 Miles , 100 Miles , 103.25 Miles
10/10/15 Joshua Tree Ultra Joshua Tree 50 KM , 50 Miles , 100 KM , 100 Miles
08/16/15 Run on the Sly Pollock Pines 50 KM , 50 Miles
06/21/15 Burton Creek Trail Run Tahoe City 50 KM
05/02/15 Nirvana Ultra Big Bear Big Bear 50 KM , 50 Miles , 100 KM , 100 Miles
03/01/15 Lake Natoma Folsom 50 KM
02/07/15 Rancho San Juan Trail Run and Camp Los Alamos 50 KM
12/26/14 The Volunteer Run : FBO the Ultra Medical Team Bonita 50 KM , 50 Miles , 100 Miles
12/06/14 Jester's World Record Run Bonita 6 Hours , 12 Hours , 24 Hours , 100 Miles
11/01/14 San Juan Trail San Juan Capistrano 50 KM , 50 Miles
10/25/14 Stinson Beach Stinson Beach 50 KM
10/11/14 Man vs. Horse - Owens Peak Inyokern 50 KM
10/04/14 Weaver Basin Trails Weaverville 50 KM
09/06/14 Lost Sierra Endurance Run Graeagle 50 KM
04/19/14 Tehama Wildflowers Trail Runs Red Bluff 50 KM
04/13/14 Woodside Ramble - Spring Redwood City Unknown Miles , 50 KM
01/18/14 Pacifica Foothills Trail Run Pacifica 50 KM
11/23/13 The Spirit of Rock 50M and Half Marathon Auburn 50 Miles
11/23/13 Run d'Amore San Martin Unknown Miles , 50 KM , 50 Miles , 100 KM , 100 Miles
11/02/13 Folsom Lake Trail Run - Fall Folsom 50 KM
10/26/13 Whiskeytown Redding 50 KM
10/20/13 Dirty Dare Trail Run Sunol 50 KM
10/06/13 K2 Summit Trail Run Auburn Unknown Miles , 50 KM , 55 KM
09/07/13 Endure the Bear Trail Run Big Bear Lake 50 KM
08/31/13 Skirt N Dirt Oakland 50 KM
08/03/13 Santa Cruz Trail Run Felton 50 KM
08/03/13 Dog Daze Doubles Chula Vista 50 KM
07/20/13 Rohring Round the Clock - Redux Chula Vista 6 Hours , 12 Hours , 24 Hours , 100 Miles
07/13/13 Cuyamaca Three Peaks Cuyamaca 50 KM
07/13/13 Reservoir Dogs Trail Run Orinda Unknown Miles
06/15/13 She Rocks the Trails Auburn 50 KM
06/01/13 Auburn Trail Runs Auburn 50 KM
05/18/13 Rohring Rock Marathon, 50K, and Half Chula Vista 50 KM
02/24/13 San Bruno Ultramarathons Daly City 50 KM , 50 Miles
02/23/13 Rohring Round the Clock Chula Vista 6 Hours , 12 Hours , 24 Hours , 100 Miles
02/02/13 Penny Lane Trail Runs Los Alamos 50 KM
02/02/13 Winter Trail Run Series Orange County Unknown Miles
11/18/12 Santa Monica Mountains Malibu Unknown Miles , 50 KM
11/10/12 Krispy Kreme Challenge West San Diego Unknown Miles
10/14/12 Boggs Mountain Boogie Cobb 50 KM
10/07/12 Big Bear Ridge Run Big Bear Lake Unknown Miles
09/24/12 Race Against The Clock San Francisco 12 Hours
09/16/12 The End of Summer Trail Run at Calero Park Santa Clara 50 KM
09/16/12 Mathis Memorial Folsom Point Trail Runs Folsom 50 KM
08/18/12 Rattlesnake Ultra Marathon Folsom 50 KM
08/05/12 Steep Ravine (Summer) Stinson Beach 50 KM
05/27/12 California Running Festival Vacaville 50 KM
05/12/12 Rucky Chucky Roundabout Foresthill 50 KM
05/12/12 Sycamore Canyon Malibu 50 KM
05/06/12 Big Trees Trail Run Oakland 50 KM
03/31/12 Redwood Peak Oakland 50 KM
03/24/12 Pirates Cove Sausalito 48 KM , 50 KM
03/03/12 Malibu Creek Malibu 50 KM
02/26/12 La Jolla Canyon Malibu 50 KM
02/18/12 Rocky Road Coto de Caza 50 Miles , 100 Miles
01/22/12 Brook Falls Trail Run Pacifica 50 KM
11/12/11 Folsom Point - Fall Folsom 50 KM
11/12/11 Bakersfield Ultra-Marathon Madness Bakersfield 32 Miles
11/12/11 Last Chance 50 Granite Bay 50 KM , 50 Miles
11/06/11 Eye-Q Two Cities Marathon Fresno 50 KM
10/29/11 Jenkinson Lake Trail Pollock Pines Unknown Miles , 50 KM
09/24/11 Sierra Nevada Endurance Run Granite Bay 50 Miles , 52.4 Miles , 100 KM
09/10/11 Lake of the Sky Lake Tahoe Unknown Miles , 27 Miles , 32.8 Miles
08/28/11 Sequoia Oakland 50 KM
08/13/11 Hotter than Hell Cameron Park 6 Hours , 12 Hours
07/23/11 Shadow of the Giants - Summer Trail Series Bass Lake Vista Unknown Miles
07/16/11 Headlands Fifty Sausalito 50 Miles
06/04/11 Rancho Canada del Oro and Calero Park San Jose 34 Miles , 50 Miles
05/15/11 Big Basin Redwoods Trail Boulder Creek 50 KM
05/14/11 Warm Springs Trail Runs Geyserville 50 KM
04/30/11 Berry Creek Falls Boulder Creek 50 KM
04/23/11 Folsom Point - Spring Folsom 50 KM
04/03/11 Tilden Trail Run Berkeley 50 KM
02/26/11 Redwood Park Oakland 50 KM
02/26/11 Pony Express Cameron Park 50 KM , 50 Miles , 100 KM
02/12/11 Cool Trail Runs Cool 50 KM
11/07/10 Muir Beach Muir Beach 50 KM
11/06/10 Helen Klein Sacramento 50 KM , 50 Miles
10/23/10 San Francisco One Day San Francisco 12 Hours , 24 Hours
10/16/10 Mount Diablo Fall Clayton 50 KM
10/09/10 Coto de Caza Coto de Caza 50 Miles
10/03/10 Skyline Ridge Palo Alto 50 KM
10/02/10 Gold Country Auburn 50 KM
09/26/10 Santa Cruz Mountains Santa Cruz 50 KM
09/18/10 Mammoth Lakes Mammoth Lakes 50 KM
09/18/10 Psychedelic Climacteric Berkeley 50 KM
08/28/10 Skinnyman Marin 50 KM
06/19/10 Angel Island Tiburon 50 KM , 100 Miles
06/12/10 Lake Merritt Half Day Oakland 6 Hours , 12 Hours
06/05/10 Blue Canyon Santa Barbara 50 KM , 50 Miles , 100 KM
03/13/10 Uncool Mill Valley Unknown Miles , 34 Miles , 42 Miles
02/20/10 Saratoga FA50 Saratoga 50 KM
12/27/09 Big Cat Challenge Huntington Beach 12 Hours
11/14/09 Run the River Folsom 50 KM
09/19/09 The Delaware 100 Miles
08/01/09 12 Hours at Cool Cool 12 Hours
06/27/09 Ultimate XC Mont-Tremblant Sacramento 50 KM
05/09/09 Ayala Park Ayala Park 6 Hours , 12 Hours
04/19/09 Diablo Endurance Run Clayton 50 KM , 37 Miles , 38 Miles , 50 Miles
02/14/09 Las Trampas Danville 50 KM
10/19/08 Carmel Valley Carmel 50 KM
08/23/08 Wildest Run in the West Soda Springs 50 KM , 50 Miles , 100 KM
04/14/07 Santa Monica Mountains - Spring Malibu 50 KM
03/31/07 Lake Hodges Escondido 50 KM
11/01/05 San Diego 1 Day San Diego 12 Hours , 24 Hours
06/04/05 Best Run By A Dam Site Unknown 50 KM
07/24/04 Baldy Peaks Mount Baldy 50 KM
10/11/03 Cuyamaca-Laguna 50k Trail Race Descanso 50 KM
07/19/03 Jim Skophammer San Mateo 12 Hours , 24 Hours
03/02/02 Smuggler's Lake Moreno 50 Miles
02/02/02 San Gabriel Mountain Arcadia 50 KM
02/24/01 Catalina Island Catalina 100 KM
08/29/98 Greg & Delmar's 12 & 24 Hour Adventure Run Gibson Ranch 12 Hours , 24 Hours
09/13/97 Mule Run Bishop 50 KM
09/13/97 Cameron Park Cameron Park 50 Miles
09/07/97 Point Reyes Point Reyes 50 KM
08/01/97 Orange 12 Hour Run Orange 12 Hours
04/26/97 California 50 Santa Rosa 50 Miles
06/01/96 Skyline to Sea Trail 50 Mile Sillicon Valley 50 Miles
11/12/95 Gibson Ranch Elverta 24 Hours , 48 Hours , 72 Hours , 144 Hours , 50 Miles
09/16/95 Pacific Crest Trail Fifty Boulder Oaks 50 KM , 50 Miles
09/16/95 Pacific Crest Trail Squaw Valley 50 KM
03/18/95 Redwood Empire 12 Hour Run Santa Rosa 12 Hours , 50 KM , 50 Miles
01/30/93 Ledson Marsh Sacramento 50 KM , 50 Miles
01/17/93 Spunky Canyon Ultra Saugus 40.5 Miles
04/25/92 Cuyamaca 50 Km Trail Race Descanso 50 KM
09/08/91 Double Danny Danville 50 Miles
08/10/91 Eldorado Gold Placerville 50 KM , 50 Miles
08/01/91 Orange 24 Hour Run Orange 24 Hours
07/20/91 San Jacinto Wilderness Run Idyllwild 32.5 Miles
11/05/88 Freshwater to Bridgeville Ultra Run Eureka 40.6 Miles
10/10/87 West Coast University 50 Miler Fountain valley 50 Miles
03/28/87 California 49er Double Marathon Point Reyes 52.4 Miles
12/14/86 Palm Springs Fifty Palm Springs 50 Miles
10/26/85 No Bullshit 24 hour Run Ventura 24 Hours
10/20/85 Far Western 50 bella Vista 50 Miles
04/30/85 The New Astley Belt Six Day Race El Cajon 144 Hours
04/06/85 Forty-Niner Double Marathon Point Reyes 52.4 Miles
12/15/84 Lake Murray 50 Mile La Mesa 50 Miles
12/15/84 Death Valley 100 Mile Scotty's Castle 100 Miles
11/18/84 Challenge Cup 50 San Francisco 50 Miles
06/02/84 Nugget 50 Mile Trail Run North San Juan 50 Miles
05/19/84 Panther Gap 100 Mile Ferndale 100 Miles
05/05/84 Good Old Country 50 Km Placerville 50 KM
11/05/83 Challenge Cup 50 - 50 Km San Francisco 50 KM
12/26/81 Southern Pacific 50K Camarillo 50 KM
10/10/81 California RoadRunner 100 Mile Endurance Run Cupertino 100 Miles
12/21/80 Striders Santa Monica Track 50 mi Santa Monica 50 Miles
11/02/80 Sacramento Sixty Sacramento 60 KM
08/17/79 Daniel Boone/Lorna Doone 48-Hour Ultra Woodside 48 Hours
05/26/79 David Copperfield 48-Hour Track Ultramarathon Woodside 48 Hours
02/25/79 PA-AAU 50 Miler Marysville 50 Miles
03/20/77 PA-AAU 50 Km Race Sacramento 50 KM
10/15/72 National AAU 50 Mile Championship Rocklin 50 Miles

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Texoma Challenge
Denison, TX - 16 finishers
50 KM
PCT 50
Cleveland National Forest, CA - 104 finishers
50 Miles
Storm the Woods
Eyota, MN - 26 finishers
50 KM
Ridge to Rails 50k, Half, & 10k
Old Fort, NC - 154 finishers
50 KM
Trail La Clinique Du Coureur
Lac-Beauport, QC - 237 finishers
50 KM
Malibu Canyon Trail Races (SAMO 100 Mile...
Malibu, CA - 222 finishers
100 KM | 50 Miles | 50 KM
Green River Marathon, Relay, Half Marath...
Kent, WA - 5 finishers
50 KM
The Kan
Spokane, WA - 76 finishers
50 KM
Orcas Island 50k
Orcas Island, WA - 101 finishers
50 KM
Summer Sasquatch Trail Runs
Lore City, OH - 26 finishers
50 KM
View All Results