ColderBOLDER 5K
Events in United States›BoulderRunning

ColderBOLDER 5K

Running2026

5km

Boulder

DateDec 5, 2026
Registration Train for this race — 14 days free
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Race facts

  • The course covers 5 km.
  • It takes place on a Saturday, December 5, 2026 — winter in this part of the world.
  • The closest comparable running event is Estes Epic Ultra Run & MTB Race in Estes Park, 47 km away, on September 26, 2026.

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