Idaho · Marathon

2027 Marathons in Idaho

Every upcoming Marathon in Idaho, all 7 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

7 upcoming marathons · 3 with finish-time stats

5K Races 3810K Races 16Half Marathons 13
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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 field1,117 finishersYMCA Famous Idaho Potato Marathon & Fun Runsin the 5KLongest-running27th year27th Annual Pocatello Marathonannual tradition

Idaho Marathons by City

Sandpoint 2Boise 1Coeur d'Alene 1Pocatello 1Malad City 1Priest Lake 1

The Next Marathons in Idaho

7 total
Sat, May 15, 2027YMCA Famous Idaho Potato Marathon & Fun Runs Boise, IDMarathonHalf Marathon10K5KFrom $90Details Sun, May 30, 2027CDA Marathon Coeur d'Alene, IDMarathonHalf Marathon10K5KFrom $100Details Sat, Jun 5, 2027Sandpoint Marathon Sandpoint, ID5K10KHalf MarathonMarathonFrom $175Details Sun, Jun 20, 2027Race the Wolf Sandpoint, IDMarathonHalf Marathon5 Miles1 MileFrom $65Details Sat, Sep 4, 202727th Annual Pocatello Marathon Pocatello, IDMarathonHalf Marathon10K5KFrom $60Details Sat, Sep 11, 2027Malad Valley Marathon Malad City, IDMarathonHalf Marathon10K5KFrom $70Details Sat, Sep 18, 2027Priest Lake Marathon Priest Lake, ID31.07 MilesMarathonHalf Marathon10KFrom $60Details

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 Marathon in Idaho

Which Idaho cities have the most marathons?

Sandpoint (2), Boise (1), Coeur d'Alene (1), Pocatello (1) lead the state for Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most marathons held in Idaho?

September is the busiest month for Marathon races in Idaho, with 3 of the 7, followed by May with 2. If you are flexible on the date, that is the quickest way to narrow things down.

Are Idaho Marathon races beginner-friendly?

Yes, for the most part. Across the 3 Marathon races in Idaho with published results, the typical median finish is around 5:00:41, 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 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.