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    Marathon Races in Idaho

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

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    Cities in IdahoBoise

    8 races

    Sat, Oct 10, 2026

    Hayden Lake Marathon

    Hayden Lake, ID

    OutsideMarathon6.5 mi5K805 m

    Sun, Oct 11, 2026

    City of Trees Marathon

    Boise, ID

    OutsideMarathon10K5K

    Sat, Oct 17, 2026

    Idaho Running Day

    Boise, ID

    OutsideMarathon10K5K

    Sun, May 2, 2027

    Boise River Marathon

    Boise, ID

    OutsideMarathon10K5K

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    Sat, May 15, 2027

    YMCA Famous Idaho Potato Marathon & Fun Runs

    Boise, ID

    OutsideMarathon10K5K

    Sat, May 29, 2027

    CDA Marathon

    Coeur d'Alene, ID

    OutsideMarathon10K5K1 mile

    Fri, Jun 4, 2027

    Sandpoint Marathon

    Sandpoint, ID

    Outside5K10KMarathon

    Sat, Sep 4, 2027

    27th Annual Pocatello Marathon

    Pocatello, ID

    OutsideMarathon10K5K1 mile

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    Marathon races by city in Idaho

    Boise4