raceIQ

Half marathons in Idaho

11 upcoming half marathons in Idaho, with dates and field depth before you enter.

All races5K races 4810K races 18Half marathons 11Marathons 7Ultramarathons 2 Races near me
Most competitive fields

Ranked by how fast the front of the field ran in recent editions, compared with every race we track at that distance.

  1. 1Boise Half MarathonSat, Nov 14BoiseHalf marathon Competitive
  2. 2YMCA Famous Idaho Potato Marathon & Fun RunsSat, May 15Boise5K10KHalf marathonMarathon Competitive
  3. 3Malad Valley MarathonSat, Sep 11Malad City5K10KHalf marathonMarathon Competitive
  4. 4Spring DashSat, Apr 24Coeur d'Alene5K10KHalf marathon Local
  5. 5CDA MarathonSun, May 30Coeur d'Alene5K10KHalf marathonMarathon Local

Which of these could you place in? raceIQ ranks them by where your pace would finish, in your age group and gender.

Find your races

November 2026

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September 2027