Ultra Running Events in Colorado

Upcoming Events

Date Event City Distances
02/19/23 Stories Ultra Colorado Springs 6 Hours, 15 Hours, 30 Hours
02/25/23 Running Up for Air - Staunton Rocks Pine 6 Hours, 12 Hours, 24 Hours
03/11/23 Cuchara Snowshoe Races La Veta 50 KM
04/01/23 Run the Ranch Loveland 6 Hours, 12 Hours
04/08/23 Runs With Scissors Races - CO Brighton 50 KM
04/08/23 Rattler Trail Race Colorado Springs 50 KM
04/15/23 Desert Rats Trail Running Festival Fruita 50 KM, 100 KM
04/22/23 Royal Gorge Groove Cañon City 55 KM
04/29/23 Cheyenne Mountain Trail Race Colorado Spring 50 KM
04/29/23 Falcon 50 Colorado Springs 50 Miles
05/06/23 Collegiate Peaks Trail Run Buena Vista 50 Miles
05/06/23 Greenland Trail Races Larkspur 50 KM
05/06/23 Quad Rock 50 Fort Collins 50 Miles
05/13/23 Ram Party Colorado Springs 50 KM, 54 Miles
05/13/23 ENDURE 12 & 24-Hour Divide 12 Hours, 24 Hours
05/20/23 Valkyrie Trail Race Colorado Springs 50 KM
05/20/23 Tava Canons Colorado Springs 50 Miles
05/20/23 Sky Pilots Ouray Backyard Ultra Ouray Backyard
05/27/23 Weld Your Mettle Ultra Marathon Windsor 50 KM
06/03/23 The Crooked Mile - State 48 LMS Canon City Backyard
06/03/23 Mace’s Hideout 100 Beulah 100 Miles
06/03/23 Durango Skyline Trail Runs Durango 50 KM, 50 Miles
06/03/23 North Fork 50 Mile/50K Pine 50 KM, 50 Miles
06/03/23 The Great Divide Ultra Divide 50 KM, 50 KM, 100 KM, 100 Miles
06/03/23 South Park Trail Marathon & Half Fairplay 28 Miles, 38 Miles
06/17/23 Ring the Springs Colorado Springs 50 Miles, 100 KM, 100 Miles
06/18/23 Desert Rats Kokopelli Stage Race Fruita 150 Miles
06/24/23 Cuchara La Veta 60 KM, 55 Miles
06/24/23 San Juan Solstice Lake City 50 Miles
06/30/23 Chase the Moon Endurance Run Highlands Ranch 12 Hours
07/01/23 The Crooked Mile - The Sundance LMS Canon City Backyard
07/08/23 Silverheels 100 Fairplay 100 Miles
07/08/23 Silver Rush 50 Leadville 50 Miles
07/08/23 Silverton Alpine Silverton 50 KM
07/09/23 Last Call Fifties Fairplay 55 KM, 53.5 Miles
07/14/23 Hardrock 100 Endurance Run Silverton 100 Miles
07/15/23 Power of Four Trail Run Aspen 50 KM
07/21/23 Ouray 100 Mile Endurance Run Ouray 100 Miles
07/21/23 High Lonesome 100 Salida 100 Miles
07/28/23 Never Summer 100K Gould 60 KM, 100 KM
07/29/23 Pikes Peak Ultra Colorado Springs 50 KM, 50 Miles
07/29/23 Grand Mesa Ultras Grand Mesa 55 KM, 50 Miles
08/04/23 Jess' Backyard Ultra Greeley Backyard
08/04/23 Silverton Ultra Dirty Silverton 60 KM, 100 KM, 100 Miles
08/05/23 The Crooked Mile - Marcs Run Canon City Backyard
08/05/23 Sheep Mountain Endurance Run Fairplay 50 KM, 50 Miles
08/11/23 HighFive100 Lake City 100 Miles
08/19/23 Leadville Trail Leadville 100 Miles
08/25/23 Divide 100 Georgetown 100 Miles
08/26/23 Telluride Mountain Run Telluride 40 Miles
08/26/23 Continental Divide Trail Run Steamboat Springs 50 KM
08/26/23 Creede 100 Creede 100 Miles
09/02/23 The Crooked Mile - The Road Not Taken LMS Canon City Backyard
09/02/23 Creede Mountain Run Creede 50 KM
09/02/23 Grand Traverse Mountain Run Crested Butte 40 Miles
09/09/23 Devil on the Divide 50K Empire 50 KM
09/10/23 Pikes Peak APEX Colorado Springs 50 KM
09/15/23 Run Rabbit Run Steamboat Springs 50 Miles, 100 Miles, 100 Miles
09/16/23 Mountain Rats Festival Eagle 55 KM
09/16/23 Ouray 50 Mile Endurance Run Ouray 50 Miles
09/20/23 Sangre de Cristo Ultras Westcliffe 50 KM, 50 Miles, 100 KM, 100 Miles, 200 Miles
09/23/23 The Bear Chase Lakewood 50 KM, 50 Miles, 100 KM
09/23/23 Snow Mountain Ranch Trail Running Festival Granby 50 KM
09/23/23 Red Feather Trail Jamboree Red Feather Lakes 50 KM
09/23/23 West Line Winder Buena Vista 50 KM
09/24/23 Sawatch Ascent Nathrop 50 KM
09/28/23 Crested Butte Ultra Crested Butte 55 KM, 50 Miles
09/30/23 Rio Grande 100 South Fork 100 Miles
09/30/23 24 Hours of Palmer Lake Palmer Lake 24 Hours
10/07/23 The Crooked Mile - The Satsang LMS Canon City Backyard
10/07/23 Hanging Flume 50k Uravan 50 KM
10/14/23 Sage Burner 50k Gunnison 50 KM
10/14/23 Bobcat Trail Races Colorado Springs 50 KM
10/14/23 Indian Creek Fifties Sedalia 55 KM, 50 Miles
11/04/23 Bridge Burner Ultra Canon City 50 KM
11/11/23 Kessel Run Ultra Fruita 60 KM, 50 Miles
11/11/23 BINGO! Trail Runs Byers Backyard
12/02/23 Sawmill Trail Runs Pine 50 KM

Past Events

Date Event City Distances
12/03/22 Colorado Cold Rush Ultra Colorado Springs 50 KM
10/15/22 Suffer Better Fall Trail Run Pine 50 KM
10/08/22 Rough Canyon Trail Runs Grand Junction 50 KM, 50 Miles
10/01/22 Above the Clouds Ultra Woodland Park 50 KM
10/01/22 Castle Rock Trail Festival Castle Rock 50 KM
09/17/22 Tava's Shadow Ultra Divide 50 KM, 100 KM
09/09/22 American Heroes Run Longmont 9 Hours, 24 Hours, 100 Miles
07/30/22 Ole School 50/50 Steamboat Springs 50 KM, 50 Miles
07/02/22 John Cappis 50K Fat Ass Silverton 50 KM
06/18/22 Aspen Loop Ultra Mancos 40 Miles
06/03/22 Golden Gate Dirty 30 Black Hawk 50 KM
04/30/22 Front Range Backyard Ultra Arvada Backyard
04/23/22 Smith Mountain Ultra Marathon Delta 20 Miles, 40 Miles
10/23/21 Fox Run Endurance Run Colorado Springs 12 Hours, 50 Miles
10/03/21 Rad Dirt Fest Trinidad 50 KM
10/02/21 Bear Creek Endurance Run Colorado Springs 5 Hours, 10 Hours, 12 Hours
09/12/21 Elevated Running Retreat Salida 30 Miles
09/11/21 Fountain Creek Endurance Run Fountain 12 Hours
09/05/21 Breck Crest Breckenridge 50 KM
08/28/21 Lincoln Mountain Endurance Run Larkspur 6 Hours, 12 Hours
07/17/21 Kickers For Kids Fun Run Palmer Lake 50 KM, 50 Miles, 100 KM, 100 Miles
07/16/21 Mount Herman Adventure Run Palmer Lake 50 Miles, 100 Miles, 200 Miles
06/19/21 Happy Camper Endurance Run Westminster 50 Miles, 100 Miles, 150 Miles, 200 Miles
05/22/21 Castlewood Canyon Fun Run Franktown 6 Hours, 10 Hours
10/03/20 Tommyknocker 12-Hour & Mine Shaft Half Golden 12 Hours, 50 KM, 100 KM
09/06/20 Estes Epic Estes Park 55 KM
08/01/20 Dinosaur100 Trail Race Craig 50 Miles, 100 Miles
06/06/20 Lincoln Mountain Trail Run Larkspur 6 Hours
05/02/20 Cheyenne Mountain Ultra 10x5k Colorado Springs 50 KM
09/22/19 Sunset Trail Running Festival Gold Hill 50 KM
08/09/19 Pagosa Fun 10 Hour Ultra Run Pagosa Springs 10 Hours
03/02/19 Frozen Foot 50 Ultra Race Pagosa Springs 50 KM
08/25/18 Devil Mountain Pagosa Springs 50 KM, 50 Miles
08/11/18 Box Canyon 40 Telluride 55 KM, 40 Miles, 55 Miles
07/14/18 Under Armour Mountain Running Series - Copper Mountain Copper Mountain 50 KM
07/06/18 Steep Camp (Silverton 1000) Silverton 6 Hours, 12 Hours, 24 Hours, 48 Hours, 72 Hours, 144 Hours, 100 Miles
05/18/18 The Divide 135 Ultra Walden 135 Miles
09/02/17 Hideaway Hundred Winter Park 50 KM, 50 Miles, 100 KM, 100 Miles
07/18/17 Colorado 200 Mile Endurance Run Almont 200 Miles
05/07/17 Cimarron Endurance Run Cimarron 50 KM
04/29/17 The Chatfield Ultra Race - C.U.R.E ultras Littleton 50 KM, 50 Miles, 100 KM
10/11/14 24 Hours of Boulder Boulder 6 Hours, 12 Hours, 24 Hours, 50 KM, 100 KM, 100 Miles
09/06/14 Ultra Race of Champions (UROC) - CO Vail 50 KM, 100 KM
07/26/14 Mt. Werner Classic Steamboat Springs 50 KM
07/04/14 Mountain Challenge Series # 3 - July Silverton 48 Hours, 240 Hours
06/14/14 Gunnison 100k Endurance Run Gunnison 100 KM
06/13/14 Mountain Challenge Series: June Silverton 24 Hours, 48 Hours, 72 Hours, 168 Hours, 240 Hours
06/29/13 Silverton 6/12/24 Hour Mountain Runs Silverton 6 Hours, 12 Hours, 24 Hours
06/01/13 Run for Aurora Roxborough 50 KM, 50 Miles
06/21/11 Gemini Adventures Grand Junction 148 Miles
10/03/09 Blue Sky Trail Marathon Fort Collins 50 KM
07/26/08 High Mountain Leadville 50 KM
10/09/04 Telegraph Trail Durango 50 KM
01/17/04 Frozen Ass Trail 30 Mile Littleton 30 Miles
05/25/02 Black Canyon Montrose 50 KM
06/16/01 Colorado Trail Pearl Winter Park 24 Hours
04/07/01 Mile High Metric Challenge Littleton 50 KM
08/05/88 Vail Valley 50 Mile Vail 50 Miles
04/16/88 Alfred E. Packer 50 Mile Run Littleton 50 Miles