Illinois Marathons
13 upcoming marathons across Illinois, updated nightly. Want radius search and maps? Open these in the Race Finder.
August 2026
- Sat 8/22Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail RunHudson, IL 路 50 Mile 路 Marathon 路 Half Marathon 路 Other
September 2026
- Sat 9/26Belleville Main Street Marathon & Half MarathonBelleville, IL 路 Marathon 路 Half Marathon
- Sun 9/27TBK Bank Quad Cities MarathonMoline, IL 路 Marathon 路 Half Marathon 路 10K 路 5K 路 1 Mile
October 2026
- Sat 10/10Des Plaines River Trail RacesLake County, IL 路 50 Mile 路 50K 路 Marathon 路 Half Marathon
- Sun 10/112026 Bank of America Chicago MarathonChicago, IL 路 Marathon
- Sat 10/24Screaming PumpkinPeoria, IL 路 Marathon 路 Half Marathon 路 10K 路 Other
- Sat 10/24Run to Pub Fall Marathon RelayTinley Park, IL 路 Marathon
- Sat 10/24Run to Pub Marathon VolunteerTinley Park, IL 路 Marathon
November 2026
- Sat 11/714th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin, IL 路 Marathon 路 Half Marathon 路 10K
- Sat 11/14Tunnel Hill 100Vienna, IL 路 100 Mile 路 Ultra 路 50 Mile 路 Marathon
March 2027
- Sat 3/27Rend Lake MarathonBenton, IL 路 Marathon 路 Half Marathon 路 10K
May 2027
- Sun 5/2Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg, IL 路 Marathon 路 Half Marathon 路 10K
- Sat 5/8F^3 Cap Sauers Trail Marathon & 10 MilePalos Hills, IL 路 Marathon 路 Other
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