Polar Bear Run And Plunge

Embrace the chill at the Polar Bear Run and Plunge in Fort Collins, Larimer on January 24th, 2026. This exhilarating winter event at Horsetooth Reservoir offers a 5K run/walk for all ages, with the option to take a daring Polar Plunge into icy waters. Sign up for the combined 5K Run/Walk and Plunge package for double the excitement and join fellow winter warriors in this legendary tradition. Don't miss your chance to make unforgettable memories and mark your place in the frosty fun of Fort Collins!