City of Trees Marathon
Events in United States›BoiseRunning

City of Trees Marathon

Running2026

21.1km

Boise

DateOct 10, 2026
Registration View event website Train for this race — 14 days free
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Race facts

  • The course covers 21.1 km.
  • It takes place on a Saturday, October 10, 2026 — autumn in this part of the world.
  • The closest comparable running event is Jackson Hole Marathon in Jackson, 439 km away, on September 26, 2026.

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