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.