Half Marathon · Idaho

    Half Marathons in Idaho

    Every half marathon we track across Idaho, sorted by date. Each card shows deterministic 0–100 scores for beginner-friendliness, PR potential, value, vibe, and family appeal.

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    Half Marathon
    Sat, Jun 6, 2026
    Twin Falls, Idaho
    road
    Rolling
    60PR40value55vibe
    scenic
    Half Marathon
    Sat, Aug 8, 2026
    Hansen, Idaho
    road
    Rolling
    60PR40value45vibe
    Half Marathon
    Sat, Sep 19, 2026
    St Charles, Idaho
    road
    Rolling
    60PR40value55vibe
    scenic
    Half Marathon
    Sat, Nov 14, 2026
    Boise, Idaho
    road
    Rolling
    60PR40value55vibe
    scenic

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    Top metros in Idaho for half marathons

    Cities in Idaho with the most half marathon races on the calendar.