Idaho Marathons

10 upcoming marathons across Idaho, updated nightly. Want radius search and maps? Open these in the Race Finder.

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When to race: marathons in Idaho

Idaho has 10 upcoming marathons over the next 12 months. Among complete calendar months, September 2027 has the most listed races, with 4. Most are around Sandpoint, Malad City, Kellogg. The next one is WICKED FAST MARATHON & HALF MARATHON IDAHO on May 1 in Kellogg.

May 2027

June 2027

September 2027

October 2027

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