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Upcoming marathons in Illinois

May 2026

  1. Chicagoland Spring Marathon
    Marathon, Half Marathon, 10K
    Schaumburg, IL, USA
  2. Starved Rock Country Marathon
    Marathon, Half Marathon, 5K
    Ottawa, IL, USA

September 2026

  1. Last Chance BQ.2 Marathon (Geneva, IL)
    Marathon
    Geneva, IL, USA
  2. Fox Valley Marathon
    Marathon, Half Marathon, 20M, 5K
    St. Charles, IL, USA
  3. Belleville Main Street Marathon
    Marathon, Half Marathon
    Belleville, IL, USA
  4. Quad Cities Marathon
    Marathon, Relay, Half Marathon, 10K, 5K
    Moline, IL, USA

October 2026

  1. Des Plaines River Trail Marathon
    50M, 50K, Marathon, Half Marathon
    Lincolnshire, IL, USA
  2. Chicago Marathon
    Marathon
    Chicago, IL, USA

November 2026

  1. Springfield Marathon
    Marathon, Half Marathon, 10K
    Springfield, IL, USA

March 2026

  1. Rend Lake Marathon
    Marathon, Half Marathon, 1/4 Marathon
    Whittington, IL, USA

April 2026

  1. Spring Chance BQ.2 Marathon (Geneva, IL)
    Marathon
    Geneva, IL, USA
  2. Illinois Marathon
    Marathon, Half Marathon, 10K, 5K
    Champaign-Urbana, IL, USA