December 20 @ 9:00 am - 11:00 am $36

Dust off that tacky sweater at the Ugly Sweater 5K.
Date: Sunday, December 20, 2026
Races: 5K, starts at 9:00 AM
Location: Washington Park, 1000 S Franklin St, Denver, CO 80209
Registration includes: a race logo shirt, a finishers medal, finish line food tables, a party-like atmosphere on course and at the finish line expo, fully stocked aid stations, professional chip timing using a disposable bib tag, and free photo downloads after the event.
All races are $5 less for ages 17 and under.
Organizer: Colorado Runner Events LLC
Tickets: Available on RunSignup (also listed on Eventbrite).
Full event details, registration, and the most up-to-date information can be found directly on the organizer’s event page. Details are subject to change, so always confirm with the organizer before registering.
Ugly Sweater 5K at a glance
Ugly Sweater 5K is a run / walk event at Washington Park in Denver, Colorado. It takes place Sun, Dec 20 at 9:00 am.
- When: Sun, Dec 20 · 9:00 am
- Where: Washington Park, Denver
- Sport: Run / Walk
- Format: 5K
- Entry: $36
Find more like this: More Run / Walk events in Colorado · More 5K events · Events in Denver · Other events at Washington Park
Organizing this sporting event? Claim this listing to keep it current.

Relish Team ShowdownNovember 7
Turkey Trails DenverNovember 7 @ 8:00 am
Monster Match NationalsNovember 7 @ 9:00 am
Turkey Trails Colorado SpringsNovember 8 @ 8:00 am
Girls on the Run Denver Metro 5KNovember 15 @ 8:00 am
Pumpkin Pie 5K/10KNovember 21 @ 9:00 am
Jingle Bell Run ColoradoDecember 13 @ 8:00 am