Let’s Get Chilly! Polar Bear 5k and 1 mile run/walk and Polar Plunge into Horsetooth Reservoir! Keep your New Year’s fitness resolutions rockin’ & rollin’ with this fun event to celebrate winter and the new year! Enjoy a beautiful and scenic run around the south end of Horsetooth Reservoir in the Fort Collins foothills. After the run either get your speedo/costume on and be one of the brave souls that takes the plunge or hang out at the outdoor party to watch the craziness. Live music, Odell Brewing beer garden, bloody Mary’s, hot food, vendors, and awards, giveaways & fun! Open to all ages, dogs welcome, choice of run only, polar plunge only or both.