Idaho · Half Marathon

2026-2027 Half Marathons in Idaho

Every upcoming Half Marathon in Idaho, all 13 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

13 upcoming half marathons · 8 with finish-time stats

5K Races 3810K Races 16Marathons 7
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By the numbers

The Biggest and Longest-Running

The Idaho races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field1,973 finishersRace to Robie Creek®in the Half MarathonLongest-running27th year27th Annual Pocatello Marathonannual tradition

Idaho Half Marathons by City

Boise 4Coeur d'Alene 3Sandpoint 3Pocatello 1Malad City 1Priest Lake 1

The Next Half Marathons in Idaho

13 total
Sun, Oct 25, 2026Halloween Hustle Coeur d'Alene, IDHalf Marathon10K5K0.5 MilesFrom $65Details Sat, Nov 14, 2026Boise Half Marathon Boise, IDHalf MarathonFrom $95Details Sat, Apr 17, 2027Race to Robie Creek® Boise, IDHalf MarathonRegistration opens Feb 15, 2027From $75Details Sat, Apr 24, 2027Spring Dash Coeur d'Alene, IDHalf Marathon10K5KFrom $85Details Sat, May 8, 2027Long Bridge Half-Marathon Sandpoint, IDHalf Marathon10K5KFrom $55Details Sat, May 15, 2027YMCA Famous Idaho Potato Marathon & Fun Runs Boise, IDMarathonHalf Marathon10K5KFrom $70Details Sun, May 30, 2027CDA Marathon Coeur d'Alene, IDMarathonHalf Marathon10K5KFrom $85Details Sat, Jun 5, 2027Sandpoint Marathon Sandpoint, ID5K10KHalf MarathonMarathonFrom $125Details Sun, Jun 20, 2027Race the Wolf Sandpoint, IDMarathonHalf Marathon5 Miles1 MileFrom $59Details Sun, Aug 22, 2027Popsicle 5K/10K/Half - Boise Boise, ID5K10KHalf MarathonRegistration opens Jul 1, 2027From $40Details Sat, Sep 4, 202727th Annual Pocatello Marathon Pocatello, IDMarathonHalf Marathon10K5KFrom $50Details Sat, Sep 11, 2027Malad Valley Marathon Malad City, IDMarathonHalf Marathon10K5KFrom $50Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running a Half Marathon in Idaho

Which Idaho cities have the most half marathons?

Boise (4), Coeur d'Alene (3), Sandpoint (3), Pocatello (1) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most half marathons held in Idaho?

May is the busiest month for Half Marathon races in Idaho, with 3 of the 13, followed by September with 3. If you are flexible on the date, that is the quickest way to narrow things down.

Are Idaho Half Marathon races beginner-friendly?

Yes, for the most part. Across the 8 Half Marathon races in Idaho with published results, the typical median finish is around 2:20:31, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.

Are there trail Half Marathon races in Idaho?

Yes, 2 races around Idaho get you off the pavement: 1 is a trail race, and 1 mixes road and trail.