Upcoming ultra marathons in Illinois. Use filters to quickly find races by month, city or race type.
More races: USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:city hf:tax:typerace 08/10/2024 Dog Days of Summer Endurance Run 12H, 2H, 4H, 6H Aurora IL 08-august aurora-il trail 08/31/2024 Temptation 200 Ultras 100K, 10K, 150K, 200K, 50K Forest City IL 08-august forest-city-il trail 09/08/2024 Misery on the Mound 2H, 4H, 6H Elburn IL 09-september elburn-il roadrace 09/14/2024 Half Day at the Lake 12H, 6H Evanston IL 09-september evanston-il roadrace 10/05/2024 The Hennepin Hundred 100M, 50K, 50M Sterling IL 10-october sterling-il trail 10/12/2024 Arrowhead Endurance Run 12H, 24H, 6H Johnston City IL 10-october johnston-city-il trail 10/12/2024 Farmdale Trail Run 100M, 10K, 13.1M, 30M, 50M East Peoria IL 10-october east-peoria-il trail 10/12/2024 Des Plaines River Trail Races 13.1M, 26.2M, 50K, 50M Lincolnshire IL 10-october lincolnshire-il trail 11/09/2024 Tunnel Hill 100 100M, 26.2M, 50M Vienna IL 11-november vienna-il trail 12/07/2024 Arctic Frog Run 10K, 15K, 25K, 50K, 5K Libertyville IL 12-december libertyville-il trail 03/29/2025 Clinton Lake Ultra 10M, 30M De Witt IL 03-march de-witt-il trail
