Marathons in Illinois
10 upcoming Marathon races in Illinois for 2026 and beyond — with dates, locations, and registration links.
- 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 MARATHONSat, May 1, 2027 · Rockport, ILMarathon
- River to River Marathon (2nd Annual)Sat, May 1, 2027 · Louisiana, ILMarathon
- Chicagoland Spring Marathon, Half Marathon & 10KSun, May 2, 2027 · Schaumburg, ILMarathonHalf Marathon10K
- Starved Rock Country MarathonSat, May 8, 2027 · Ottawa, ILMarathonHalf Marathon10K5K
- F^3 Cap Sauers Trail Marathon & 10 MileSat, May 8, 2027 · Palos Hills, ILMarathon10 Miles
- Red Cedar Trail Races at Giant City State ParkSat, May 22, 2027 · Makanda, IL5K21.9KMarathon50 Miles
- Bank of America Chicago Marathon Semper Fi & America's Fund TeamFri, Oct 8, 2027 · Chicago, ILMarathon
- 2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation SystemSun, Oct 10, 2027 · Chicago, ILMarathon