Marathons in Illinois
8 upcoming Marathon races in Illinois for 2026 and beyond — with dates, locations, and registration links.
- Belleville Main Street Marathon & Half MarathonSat, Sep 26, 2026 · Belleville, ILMarathonHalf Marathon
- 14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KSat, Nov 7, 2026 · New Berlin, ILMarathonHalf Marathon10K
- Rend Lake MarathonSat, Mar 27, 2027 · Benton, ILMarathonHalf Marathon10.5K
- River to River Marathon (2nd Annual)Sat, May 1, 2027 · Louisiana, ILMarathon
- Chicagoland Spring Marathon, Half Marathon & 10KSun, May 2, 2027 · Schaumburg, ILMarathonHalf Marathon10K
- F^3 Cap Sauers Trail Marathon & 10 MileSat, May 8, 2027 · Palos Hills, ILMarathon10 Miles
- Starved Rock Country MarathonSat, May 8, 2027 · Ottawa, ILMarathonHalf Marathon10K5K
- Bank of America Chicago Marathon Semper Fi & America's Fund TeamSun, Oct 10, 2027 · Chicago, ILMarathon