How many races are happening in August 2026 in Illinois?+
Endurance Grid's Race Calendar lists 110 upcoming endurance races in August 2026 in Illinois, across 84 cities.
What sports have races in August 2026 in Illinois?+
Races in August 2026 in Illinois span road cycling, mountain bike, obstacle course, running, swimming, swimrun, trail running, triathlon, and ultramarathon.
Which Illinois cities have races in August 2026?+
Races in August 2026 in Illinois are held in Chicago, Elk Grove Village, Hudson, Olney, Springfield, Aurora, Downers Grove, Evanston, Joliet, and Makanda.
How current is this August race calendar for Illinois?+
This page refreshes every day and always shows the next August in Illinois, so the listing never goes stale.