How many races are happening in summer 2026 in Illinois?+
Endurance Grid's Race Calendar lists 152 upcoming endurance races in summer 2026 in Illinois, across 107 cities.
What sports have races in summer 2026 in Illinois?+
Races in summer 2026 in Illinois span aquabike, road cycling, mountain bike, obstacle course, running, swimming, swimrun, trail running, triathlon, and ultramarathon.
Which Illinois cities have races in summer 2026?+
Races in summer 2026 in Illinois are held in Chicago, Elk Grove Village, Springfield, Aurora, Evanston, Hudson, Olney, Vernon Hills, Bloomington, and Chicago Heights.
How current is this summer race calendar for Illinois?+
This page refreshes every day and always shows the next summer in Illinois, so the listing never goes stale.