How many races are happening in October 2026 in Illinois?+
Endurance Grid's Race Calendar lists 88 upcoming endurance races in October 2026 in Illinois, across 72 cities.
What sports have races in October 2026 in Illinois?+
Races in October 2026 in Illinois span road cycling, obstacle course, running, swimrun, trail running, and triathlon.
Which Illinois cities have races in October 2026?+
Races in October 2026 in Illinois are held in Chicago, Bolingbrook, Elk Grove Village, Lisle, Normal, Quincy, Rock Falls, Wheaton, Alton, and Batavia.
How current is this October race calendar for Illinois?+
This page refreshes every day and always shows the next October in Illinois, so the listing never goes stale.