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    Marathon Races in Illinois

    17 upcoming Marathon races across Illinois. Run This events are listed first — pick a city below to narrow it down.

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    17 races

    Sun, Nov 8, 2026

    Graham's Chocolate Run * Walk

    Geneva, IL

    Outside5K10KMarathon

    Sat, Sep 26, 2026

    Belleville Main Street Marathon & Half Marathon

    Belleville, IL

    OutsideMarathon

    Sun, Sep 27, 2026

    Golden Harvest Half Marathon & 5k/10k - Greater Chicago

    Elk Grove Village, IL

    Outside50 m1 mile5K10K

    Sun, Oct 25, 2026

    Spooky Sprint - Greater Chicago

    Shorewood, IL

    Outside50 m1 mile5K10K

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    Sat, Nov 7, 2026

    14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K

    New Berlin, IL

    OutsideMarathon10K

    Sat, Nov 21, 2026

    2026 Turkey Trot

    Decatur, IL

    Outside5K10KMarathon805 m

    Sat, Nov 28, 2026

    Turkey Trails - Greater Chicago

    Shorewood, IL

    Outside50 m1 mile5K10K

    Tue, Dec 1, 2026

    Santa Hustle Virtual

    N/A, IL

    OutsideMarathon10K5K1000 m

    Sat, Dec 12, 2026

    Iceman Series 2026-27

    Springfield, IL

    OutsideMarathon10K7.5 mi9.3 mi

    Sat, Mar 27, 2027

    Rend Lake Marathon

    Benton, IL

    OutsideMarathon6.5 mi

    Sat, May 1, 2027

    RIVER TO RIVER MARATHON

    Rockport, IL

    Outside25.5 mi

    Sat, May 1, 2027

    River to River Marathon (2nd Annual)

    Louisiana, IL

    OutsideMarathon

    Sun, May 2, 2027

    Chicagoland Spring Marathon, Half Marathon & 10K

    Schaumburg, IL

    OutsideMarathon10K

    Sat, May 8, 2027

    F^3 Cap Sauers Trail Marathon & 10 Mile

    Palos Hills, IL

    OutsideMarathon10.0 mi

    Sat, May 8, 2027

    Starved Rock Country Marathon

    Ottawa, IL

    OutsideMarathon10K5K

    Sun, Oct 10, 2027

    Bank of America Chicago Marathon Semper Fi & America's Fund Team

    Chicago, IL

    OutsideMarathon

    Sun, Oct 10, 2027

    2027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation System

    Chicago, IL

    OutsideMarathon

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