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City of Trees Marathon
October 11, 2026 · 8:00 AMBoise, Idaho, United States
Race snapshot
Race Day
48°F
46–70°F · Feels cool
Total elevation gain
200ft
Relatively flat course · Net elevation change +0 ft
Crowd Rating
5/ 10
Good crowd energy
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The Lowdown
City of Trees Marathon is held in Boise, ID. Race day is October 11, 2026, with a 08:00 local start. The official event listing also includes Half Marathon, 10k, 5k, SoleKIDs 5K. Registration is open through the official event listing.
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