Holiday and seasonal · Denver, CO
Ugly Sweater 5K is a holiday fun run in Denver, Colorado, with a verified date of December 20, 2026.
ConfirmedFamily friendly
- When
- Sun, Dec 20, 2026
Start 9:00 AM
Sunday before Christmas - Where
- Washington Park
1100 S Franklin St
Denver, CO 80209 · Denver
Directions - Entry
- Register
- Organized by
- Colorado Runner Events
What to expect
2026 Confirmed
Sunday, December 20, 2026
- Sun, Dec 20, 2026
Checked Sun, Oct 4, 2026 against the official source.
2027 Projected
Date TBA
About the run
A December 5K run/walk in which tacky holiday sweaters are the dress code. Finishers get an ugly-sweater medal and cookies at the finish expo.
The run
- Distances
- 5K
- Occasion
- Christmas
- Season
- Winter
- Swag
- Ugly sweater medal and themed shirt
Nearby
Sources
- Official site official
- Eventbrite listing official
Details checked against the race’s own pages on Sun, Oct 4, 2026.