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YMCA Famous Idaho Potato Marathon

15 May 2027 · Boise, United States

Enter on the race website
Marathon42.2 km · 26.2 mi, also Half marathon, 10K, 5K
Roadterrain
17°C63°F, typical on the day

Each distance starts and finishes at the Morrison Center and runs on the Boise Greenbelt. The organiser describes the route as flat and scenic, and the marathon is a Boston qualifier. Start times are staggered through the morning, with the marathon first, then the half marathon, the 10K and the 5K. Course maps for each distance are provided as Garmin maps on the race page. Entry is through RunSignup, and the marathon is open to ages 16 and up.

Map © Mapbox © OpenStreetMap.

The Running Algorithm isn't affiliated with this race's organiser. Check the official site for the latest details.

Course

The map above marks the start. The organiser publishes the full route.

See the official course map

Typical weather

17°C63°F average
25%chance of rain
12 km/h7 mph wind

Historical averages for this place and date.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.

What could you run here?

Get a predicted time for this course from a recent race result.

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