Events
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Ultra Running Events in Illinois

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

Upcoming Events

Date Event City Distances
02/25/23 Bald Unyielding Twilight Trail Trial Mount Morris 6 Hours, 12 Hours
03/10/23 4x4x48 Challenge Naperville 48 Miles
03/25/23 Clinton Lake DeWitt 30 Miles
03/25/23 Chicago Lakefront: Spring Version Chicago 50 KM
04/13/23 Potawatomi Pekin 30 Miles, 50 Miles, 100 Miles, 150 Miles, 200 Miles
04/15/23 Loud Thunder 50 Illinois City 50 KM, 50 Miles
04/22/23 Earth Day 50K Crystal Lake 50 KM
04/22/23 Zoomies 50K Aurora 50 KM
04/29/23 Childish Nonsense Palatine 50 KM, 50 Miles
05/20/23 Galena Sky Trail Races Galena 8 Hours
05/20/23 Elsa Chicken Plucker Backyard Ultra Charleston Backyard
07/22/23 Road Warrior Relay Carol Stream 33.5 Miles
08/12/23 Howl at the Moon 8 Hour Danville 8 Hours
08/12/23 Watershed Endurance 6Hr/3Hr Run Edwardsville 6 Hours
08/19/23 Painful Elimination Hudson Backyard
08/26/23 Shawnee Hills 100 Ozark 50 KM, 100 KM, 100 Miles
09/02/23 Temptation 200 Ultras Forest City 50 KM, 100 KM, 150 KM, 200 KM
09/03/23 St. Jude Runs - Kilometers for Kids 10 x 5k Quincy 50 KM
09/10/23 Rock Cut Hobo Trail Runs Rockford 50 KM
09/17/23 Timely Nonsense Chicago 6 Hours, 12 Hours
09/30/23 Limestone Rocks! Kankakee 8 Hours
10/07/23 Arrowhead Endurance Run Johnston City 6 Hours, 12 Hours, 24 Hours
10/07/23 The Hennepin Hundred Sterling 50 KM, 50 Miles, 100 Miles
10/07/23 Farmdale Trail Run East Peoria 30 Miles, 50 Miles, 100 Miles
10/14/23 Des Plaines River Trail Races Vernon Hills 50 KM, 50 Miles
10/28/23 Fancy Nonsense 25k/50k Willow Springs 50 KM
10/28/23 Chicago Lakefront: Fall Version Chicago 50 KM, 50 Miles
11/11/23 Tunnel Hill 100 Vienna 50 Miles, 100 Miles
12/02/23 Arctic Frog Run (IL) Libertyville 50 KM

Past Events

Date Event City Distances
01/14/23 Frozen Gnome Crystal Lake 50 KM
12/10/22 Wicked Pig Ultra Elizabethtown 60 KM
11/05/22 Charleston Challenge 40 Mile Relay Charleston 40 Miles
09/24/22 Hindsight Ultra Trail Runs Dixon 50 KM, 100 KM, 100 Miles
08/27/22 Terra Sans Pave Trail Runs Morton Grove 8 Hours
08/27/22 Dog Days of Summer Aurora 6 Hours, 12 Hours
08/20/22 Illiniwek Race The Night Hampton 50 KM
07/23/22 Christmas in July Races Lisle 6 Hours, 12 Hours, 24 Hours
07/08/22 Cry Me a River! Chillicothe 50 KM, 50 Miles, 100 KM, 100 Miles
06/18/22 The C.R.C. Summer Solstice 24 Hour Run/Relay Plainfield 24 Hours
03/19/22 Paleozoic Trail Runs - Cambrian Spring II Chicago 50 KM
01/09/22 Winter Challenge Cross Country Chicago 6 Hours
11/13/21 Paleozoic Trail Runs - Devonian Fall Palos Park 50 KM
10/30/21 McNotAgain Pekin 8 Hours, 30 Miles
10/23/21 Outer Belt Ultras Chicago 50 KM, 50 Miles, 100 KM, 100 Miles, 210 Miles
10/02/21 Mill Creek Ultra Marshall 50 KM
09/18/21 Forge Ultra 50K Lemont 50 KM
09/11/21 The Last Boyscout Goreville Backyard
08/28/21 IM not Crazy 100k Morris 100 KM
08/14/21 Nuclear Meltdown Elimination Race Byron 8 Hours, 12 Hours
05/01/21 Secret Trail Poker Run Woodstock 8 Hours
03/27/21 Skunk Ape 806 Dixon 33.75 Miles
03/20/21 Paleozoic Trail Runs - Silurian Spring II Palo Park 50 KM
01/04/20 Last Man/Woman Standing Edwardsville Backyard
11/09/19 Paleozoic Trail Runs - Cambrian Fall II Palos Park 50 KM
10/27/19 Run of the Dead Elimination Run Liberyville 34 Miles
09/28/19 Oak Point Trail Run Golconda 50 KM
10/20/18 Ondessonk Trail Races Ozark 50 KM
09/15/18 Evergreen Lake Ultras Hudson 50 KM, 34 Miles, 51 Miles, 100 KM
03/25/17 Paleozoic Trail Runs - Carboniferous Spring Wood Springs 50 KM
11/12/16 Paleozoic Trail Runs - Silurian Fall Palos Park 50 KM
05/13/16 CRUD Brimfield 8 Hours, 24 Hours
11/14/15 Paleozoic Trail Runs - Permian Fall Wood Springs 50 KM
12/27/14 Little Woods Ultra Race Edwardsville 6 Hours
10/18/14 Forest Glen Trail Run Westville 50 KM
01/31/14 Aeries February Freeze Grafton Unknown Miles, 12 Hours
11/16/13 Paleozoic Trail Runs - Carboniferous Fall Palos Park 50 KM
04/14/12 McNaughton Park Pekin 30 Miles, 50 KM, 50 Miles, 100 Miles, 150 Miles
01/14/12 Frosty Fifty Crystal Lake 50 KM, 50 Miles
12/18/10 Deer Grove FA50 Palatine 50 KM
11/27/10 Old School Ultra Libertyville 6 Hours
07/17/10 Sunburn Six in the Stix Bartlett 6 Hours
10/23/05 DeTonty Willow Springs 50 KM

Recent Results
Eternal Winter 6 Hour Run 6H
Willis River 50K
This ain't yo Momma's 50k & Trail Marath... 50K
Fremont 50 YKMV 50K
Cactus Roulette Endurance Event 12H
Cactus Roulette Endurance Event 6H
Sean O'Brien 100k/50M 50K
Sean O'Brien 50k 50K
The Urban Ultra - Dallas 50K
Orcas Island 50k 50K
Mountain Mist 50K
Skydive Ultra Run 50K
Skydive Ultra Run 50M
Skydive Ultra Run 100K
Skydive Ultra Run 100M
Arches Ultra 50K
Arches Ultra 50M
Bleak Midwinter Endurance Run 12H
Chehaw Challenge 50M
Bleak Midwinter Endurance Run 6H