City of Trees Marathon

Boise, ID, USAOctober 11, 2025
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partly-cloudy-day Partly cloudy throughout the day.

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We love this river. A water flow that originates from the snow-capped peaks of the Sawtooth and Boise mountains, our race courses will get you intimately close to the sounds of the river as it winds through a rocky canyon and melts into an urban setting. We do reserve the right to make changes as we can't be boring. Source

Area Map

Course Maps

FAQ

When is the 2025 City of Trees Marathon?

The 2025 City of Trees Marathon will be held on Saturday October 11, 2025.

Is the City of Trees Marathon a Boston Marathon Qualfier?

No, the City of Trees Marathon is NOT a Boston Marathon qualifier.

Community

Historical Weather

RunScore
Run Score: 8
Temp
73°F
Min/Max
51°/73°F
Dew
41°F
Days of Rain
0/1
Wind
4mph
Tap a row for details.
YearConditionsLow / HighRainRunScoreResults
2024
clear-night
51°/ 73°-
Run Score: 9