Upcoming ultra marathons in Illinois

11 ultra marathons are coming up in Illinois, out of 521 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.

11 upcoming races

November 2026

Nov 14, 2026 Tunnel Hill 100📍 Vienna, IL50 mi · 62.1 mi · 100 mi

April 2027

Apr 8, 2027 Potawatomi Trail Runs📍 Pekin, IL200 mi · 150 mi · 100 mi · 50 mi
Apr 14, 2027 estimated dateLoud Thunder 50📍 Illinois City, IL50 mi · 31.1 mi · 13 mi

August 2027

Aug 7, 2027 estimated dateThe Next Loop 40M/50M Challenge | Deer Grove East📍 Palatine, IL50 mi · 40 m
Aug 15, 2027 estimated dateThe Next Loop Endurance Series - Busse Woods📍 Elk Grove Village, IL31.1 mi · 26.2 mi · 13.1 mi · 6.2 mi
Aug 28, 2027 estimated dateThe Next Loop 40M/50M Challenge | Half Day Forest Preserve📍 Vernon Hills, IL50 mi · 40 m

September 2027

Sep 25, 2027 estimated dateHindsight Ultra Trail Runs📍 Dixon, IL15.5 mi · 31.1 mi · 62.1 mi · 100 mi

October 2027

Oct 2, 2027 estimated dateThe Hennepin Hundred📍 Sterling, IL31.1 mi · 50 mi · 100 mi
Oct 9, 2027 estimated dateDPR Trail Races📍 Lake County, IL13.1 mi · 26.2 mi · 31.1 mi · 50 mi
Oct 16, 2027 estimated dateShake Your Trail Feather Trail Run📍 Charleston, IL3.1 mi · 8 mi · 16 mi · 31.1 mi
Oct 17, 2027 estimated dateRichardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run📍 Spring Grove, IL6.2 mi · 3.1 mi · 1 mi · 100 m

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