WinterFest 5k & Fun Run
Updated
Saturday, December 12, 2026, first start 10:15 AM, in Thornton (3498 E 112th Ave). Distances: 5K. Entry from $35; the 5K goes from $35 to $40 after November 13.
- Date
- Saturday, December 12, 2026
- Start time
- 10:15 AM (earliest wave)
- Location
- 3498 E 112th Ave, Thornton, CO 80233
- Area
- Denver, Denver & Boulder
- Distances
- 5K
- Course
- Road or path
- Price
- $35 plus the platform's processing fee
- Next price increase
- Friday, November 13, 2026: 5K $35 → $40
- Registration
- Open. Opened January 1, online signup closes Saturday, December 12, 2026
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by November 13 to pay $35 instead of $40.
Course and race notes
Kick off the holiday season with a spirited run/walk at Thornton's Carpenter Park. Choose from the chip-timed 5k, or experience the festive atmosphere in a shorter distance in our untimed Fun Run/Walk.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.