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 03/29/2025 Clinton Lake Ultra 10M, 30M De Witt IL 03-march de-witt-il trail 04/26/2025 Earth Day 50K 15M, 50K, 5M Crystal Lake IL 04-april crystal-lake-il trail 05/17/2025 Galena Sky Trail Race 4H, 8H Galena IL 05-may galena-il trail
