Sweaty Sweater 5k
About this race
Calling all Ugly Sweaters… We want to see your most hideous, outrageous, bulky and unforgettable UGLY sweater running the Sweaty Sweater Race.
This is an event for everyone, whether you are walking with friends, running for an award or even prancing towards the finish line for hot chocolate.
Don’t miss the FUN, sign up NOW!
Pick your distance
Running
Sweaty Sweater 5k
Kids 1-Mile
Kid's 1-Mile Race Experience Finisher Medal
Virtual 5k
Typical race-day weather
Based on 3 years of Open-Meteo archive data for this event's race dates in Fort Collins, plus the 3 days either side.
The sun rises at 7:19 AM and sets at 4:35 PM local time (MST) in Fort Collins on December 19, 2026 — 9h 16m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Results — Sweaty Sweater 5k
Other races near Fort Collins
Different organizers, within 40 miles, in the next three months
Rolland Moore Park T&H 4K
Girls on the Run Northern Colorado Fall 5K
Resolution Run - Fort Collins
Open Streets Volunteers
🏃 Plan Your Next Race in Fort Collins
Find upcoming events by distance:
- Fort Collins 5K Races 22 races
- 10K Run Events in Fort Collins 2 races
- Fort Collins Half Marathons 5 races
- Marathons in Fort Collins 2 races
- Fort Collins Running Calendar 2026 39 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 44 Fort Collins events
Spotted something wrong? Tell us and we'll fix it.