The 2025 event has concluded.

Idaho Running Day Marathon

Boise, ID, USA • October 18, 2025
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clear-day Clear conditions throughout the day.

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As Boise's premier athletic event in the Treasure Valley, we offer a range of distances to suit every runner: full marathon, half marathon, 10K, and 5K. Our race is a Boston qualifier and takes place along the picturesque Boise Greenbelt, from Lucky Peak Reservoir to Southeast Boise, with stunning views of the Boise River. Source

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When is the 2025 Idaho Running Day Marathon?

The 2025 Idaho Running Day Marathon will be held on Saturday October 18, 2025.

Is the Idaho Running Day Marathon a Boston Marathon Qualfier?

Yes, the Idaho Running Day Marathon is an official Boston Marathon qualifier.

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Historical Weather & Results

RunScore
Run Score: 7
Temp
92°F
Min/Max
64°/92°F
Dew
36°F
Days of Rain
0/1
Wind
4mph
Tap a row for details.
YearLow / HighRainResults

Idaho Running Day Marathon 2024 Weather History

Clear conditions throughout the day.

2024
clear-night
64°/ 92°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR