COLDERBolder | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

COLDERBolder

BOLDERBoulder's winter 5K runs pace-matched invitational heats, so you race only people your speed, then finishes with burritos, doughnuts and cocoa.

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Fun Run Atlas · Colorado

Holiday and seasonal · Boulder, CO

COLDERBolder is a holiday fun run in Boulder, Colorado, with a verified date of December 5, 2026.

ConfirmedFamily friendly
When
Sat, Dec 5, 2026
Early December Saturday
Where
University of Colorado campus
Boulder, CO · Boulder
Directions
Entry
$66
Register
Organized by
BOLDERBoulder
Official siteDirectionsAdd to calendar

What to expect

  • pace-matched heats
  • doughnuts at finish
  • hot cocoa
  • winter beanie
  • sells out
  • walking wave

2026 Confirmed

Saturday, December 5, 2026

  • Sat, Dec 5, 2026

Checked Sun, Oct 4, 2026 against the official source.

2027 Not announced

2027 not announced

Date TBA

About the run

A December 5K on the CU campus with 13 invitational heats grouped by past BOLDERBoulder finish times, plus an open race and a walking wave.

The run

Distances
5K
Occasion
Holiday season
Season
Winter
Swag
Shirt, winter beanie, medal; Holiday Finish Fest with burritos, doughnuts, coffee and hot cocoa

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.