RunRace USA › Idaho › City of Trees Marathon
City of Trees Marathon
Boise, Idaho · Sunday, October 11, 2026 · Marathon, Half Marathon, 10K, 5K
Official race page & registration ↗- Date
- Sunday, October 11, 2026
- Location
- Boise, Idaho
- Distances
- Marathon, Half Marathon, 10K, 5K
- Entry fee
- from $35
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
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See every race on the Idaho calendar, or use the Race Finder for maps and filters.