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Sweaty Sweater 5k

location_on

Fort Collins, Colorado, United States

calendar_today 06 Dec, 2025

directions_run Running

About the Event

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!

Races Offered

5K

Dec 06, 2025

straighten

Distance — 5K

terrain

Type — Running

timer

-80 days remaining

Weather Overview

These values represent the 3-year monthly averages for December in Fort Collins.

Temp (°C)

Feels Like (°C)

thermostat -5.1° / 6.5°

wb_sunny -9.8° / 2.0°

Wind (km/h)

Humidity (%)

air 8.3 /

water_drop 56.9%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat -5.1° / 6.5°

wb_sunny -9.8° / 2.0°

air 8.3 km/h

water_drop 56.9%

About Fort Collins

Learn more about the host city, Fort Collins.

Fort Collins is a city of about 170,000 in north central region of the western U.S. state of Colorado. The seat of Larimer County, the city lies 59 miles (95 km) north of Denver on the Cache La Poudre River at the eastern edge of the Front Range foothills. Fort Collins is the home of Colorado State University and is a major research center.

Registration Discount

Use the promo code below during registration to save on entry fees.

$10 OFF

Promo code RUNGUIDE

*Promo codes are collected from publicly available sources. We are not affiliated with, sponsored by, or endorsed by any brand listed. All trademarks belong to their respective owners. Offers may expire or change without notice.