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
04/26/25	Earth Day 50K	Crystal Lake	50 KM
04/26/25	Childish Nonsense	Palatine	50 KM , 50 Miles
05/03/25	Hearts Desire 6-Hour Endurance Run	Herrin	6 Hours
05/17/25	CHICAGO 7-11 Hour Endurance Run	Willow Springs	7 Hours , 11 Hours
05/17/25	Galena Sky Trail Races	Galena	8 Hours
05/31/25	Elsa Chicken Plucker Backyard Ultra	Charleston	Backyard
06/07/25	Yellowbrick Backyard Ultra	Peoria	Backyard
06/28/25	Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run	Hudson	51 Miles
07/11/25	Cry Me a River!	Chillicothe	50 KM , 100 KM , 100 Miles
07/12/25	Kennekuk Road Runners - Dogs and Cats	Oakwood	5 Hours
07/12/25	Road Warrior 50k (Individual and Relay)	Carol Stream	33.5 Miles
07/18/25	Pinetum Mind Games Endurance Event	Dixon	6 Hours , 12 Hours , 24 Hours
07/19/25	Quail Ridge Farm Backyard Ultra	Albion	Backyard
08/09/25	Howl at the Moon 8 Hour	Danville	8 Hours
08/09/25	Watershed Endurance 6Hr/3Hr Run	Edwardsville	6 Hours
08/23/25	Shawnee Hills 100	Ozark	50 KM , 100 KM , 100 Miles
08/30/25	Temptation 200 Ultras	Forest City	50 KM , 100 KM , 150 KM , 200 KM
09/14/25	Timely Nonsense	Chicago	6 Hours , 12 Hours
09/20/25	Limestone Rocks!	Kankakee	8 Hours
09/20/25	Half Day at the Lake	Evanston	6 Hours , 12 Hours
09/27/25	Hindsight Ultra Trail Runs	Dixon	50 KM , 100 KM , 100 Miles
10/04/25	The Hennepin Hundred	Sterling	50 KM , 50 Miles , 100 Miles
10/11/25	Arrowhead Endurance Run	Johnston City	6 Hours , 12 Hours , 24 Hours
10/11/25	Des Plaines River Trail Races	Vernon Hills	50 KM , 50 Miles
10/11/25	Farmdale Trail Run	East Peoria	30 Miles , 50 Miles , 100 Miles
10/18/25	Shake Your Trail Feather Trail Run	Charleston	50 KM
10/25/25	Fancy Nonsense 25k/50k	Willow Springs	50 KM
11/01/25	Chicago Lakefront: Fall Version	Chicago	50 KM , 50 Miles
11/08/25	Tunnel Hill 100	Vienna	50 Miles , 50 Miles , 100 Miles
12/06/25	Arctic Frog Run (IL)	Libertyville	50 KM
03/21/26	Skunk Ape 806	Dixon	33.75 Miles
03/21/26	American Bottoms 100	Columbia	110 Miles
03/28/26	Schon Park 3/6/9 Endurance Runs	Glen Carbon	6 Hours , 9 Hours

Past Events

Date	Event	City	Distances
04/19/25	Loud Thunder 50	Illinois City	50 KM , 50 Miles
04/12/25	Potawatomi	Pekin	30 Miles , 50 Miles , 100 Miles , 150 Miles , 200 Miles
03/29/25	Chicago Lakefront: Spring Version	Chicago	50 KM
03/29/25	Clinton Lake	DeWitt	30 Miles
02/22/25	Bald Unyielding Twilight Trail Trial	Mount Morris	6 Hours , 12 Hours
01/12/25	Winter Challenge Cross Country	Chicago	6 Hours
01/11/25	Frozen Gnome	Crystal Lake	50 KM
11/09/24	Paleozoic Trail Runs - Carboniferous Fall II	Palos Park	50 KM
11/02/24	Charleston Challenge 40 Mile Relay	Charleston	40 Miles
09/15/24	Rock Cut Hobo Trail Runs	Rockford	50 KM
09/14/24	The Last Boyscout	Goreville	Backyard
08/24/24	Terra Sans Pave Trail Runs	Morton Grove	8 Hours
08/16/24	Anybody 12 Hour	Morris	12 Hours
08/16/24	We run the night 12 hour and a 5k	Morris	12 Hours
08/10/24	Dog Days of Summer	Aurora	4 Hours , 6 Hours , 12 Hours
08/10/24	Crush Cary 12 Hour	Cary	12 Hours
04/20/24	Zoomies 50K	Aurora	50 KM
04/18/24	Take the 4 x 4 x 48 Operation Uniquecorn Charity Challenge	Jacksonville	48 Miles
03/23/24	Paleozoic Trail Runs - Devonian Spring II	Chicago	50 KM
03/22/24	4x4x48 Challenge - Illinois	Naperville	48 Miles
01/13/24	Chillbilly 2 Hour and 8 Hour Endurance	Chillicothe	8 Hours
09/03/23	St. Jude Runs - Kilometers for Kids 10 x 5k	Quincy	50 KM
08/19/23	Illiniwek Race The Night	Hampton	50 KM
08/19/23	Painful Elimination	Hudson	Backyard , Backyard
07/23/22	Christmas in July Races	Lisle	6 Hours , 12 Hours , 24 Hours
06/18/22	The C.R.C. Summer Solstice 24 Hour Run/Relay	Plainfield	24 Hours
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
09/18/21	Forge Ultra 50K	Lemont	50 KM
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
03/20/21	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
10/12/86	AMJA 100 Km Ultramarathon	Chicago	50 Miles , 100 KM
12/19/82	Running Central Ultra Challenge	East Peoria	50 KM