In 90 days · Sat, Dec 19, 2026
Don't let race day sneak up
One email during race week. That's it.
When
Saturday, December 19th, 2026
Where
4616 S. Shields Street, Fort Collins CO
Distances
5K · 1 Mile
Typical weather
22–42°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
28–65°F
dry
2024
33–51°F
dry
2023
25–58°F
dry
2022
15–45°F
dry
2021
22–47°F
dry
2020
13–34°F
dry
2019
24–36°F
dry
2018
31–45°F
dry
2017
29–43°F
dry
2016
-6–34°F
dry
Best months to race in Colorado →
About this race
Event Overview
- Race Name: Sweaty Sweater 5k
- Date: 2026-12-19
- Location: 4616 S. Shields Street, Fort Collins, CO
- Registration Link: Sign up here
Race Description
- Calling all Ugly Sweaters: We want to see your most hideous, outrageous, bulky and unforgettable UGLY sweater running the Sweaty Sweater Race.
- Inclusive Event: 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.
- Join the Fun: Don’t miss the FUN, sign up NOW!
Course map
Hotels for race weekend
Live prices near the start line, Dec 18 – 20, 2026.
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Run clubs near Fort Collins to train with before race day.
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