How many races are happening in December 2026 in Illinois?+
Endurance Grid's Race Calendar lists 24 upcoming endurance races in December 2026 in Illinois, across 19 cities.
What sports have races in December 2026 in Illinois?+
Races in December 2026 in Illinois span running and trail running.
Which Illinois cities have races in December 2026?+
Races in December 2026 in Illinois are held in Chicago, Arlington Heights, Belleville, Collinsville, Crete, Elk Grove Village, Geneva, Grafton, Harvard, and Hudson.
How current is this December race calendar for Illinois?+
This page refreshes every day and always shows the next December in Illinois, so the listing never goes stale.