Running Races in Illinois
Illinois has 538 upcoming running races scheduled for 2026. Most of the calendar falls in the warmer months: 334 of 538 races (62%) take place between May and September, with September (149 events) the busiest month. No single city dominates the calendar. Chicago leads with 76 races, followed by Elk Grove Village (12), Palatine (8), and Wheaton (8). The remaining 81% of the calendar is spread across smaller cities.
Running races by month in Illinois
Sep (149) · Aug (106) · Oct (87) · Nov (59) · Jul (54) · Dec (24) · Jun (14) · Jan (11) · May (11) · Mar (10) · Apr (7) · Feb (6)
Notable Illinois events
- Bank of America Chicago Marathon — Chicago, October 11 — full marathon (World Marathon Major)
Showing 24 of 538
Running
The Police Chase Twilight 5k @ Vernon Hills Days
Vernon Hills, IL
The Police Chase Twilight 5k @ Vernon Hills Days
Running
Haley's 5K Glow Run
Beecher City, IL
Haley's 5K Glow Run
Running
Haley's 5K Glow Run
Beecher City, IL
Haley's 5K Glow Run

Christmas in July Half Marathon and 5K (Chicago area)
Running
Cross Country Sundown Showdown
Carterville, IL


















