Event details subject to change. Please confirm all information via event website.
Polar Bear 5K
Horsetooth Reservoir 4200 W County Road 38 E, Fort Collins, CO, United StatesEnjoy a beautiful run around the Horsetooth Reservoir with views of the Fort Collins Foothills. After your run, show how brave you are & take the dive into the icy reservoir water! Enjoy the after party with craft beer, overall and age group awards for the 5k, and local vendors!
Canceled Chilly Willy Half Marathon
It's winter time & it's cold, but don't hibernate! Keep moving because it's a great time to go for a run whether you join us live or run virtual! We're racing the trails Chatfield State Park. All the races start at 8:30 am, with Finisher Medals for everyone! Only 200 finisher medals will be ordered […]
Freakin Freezin 5K
It's that time of year when brave runners lace up, layer up, and take on the chill! The Freakin' Freezin' 5K is all about starting the new year with some frosty fun and cool determination. Whether you're chasing a personal best or just out to shake off the winter blues, this race is your chance […]
Arches Ultra
Arches Ultra travels along the border of Arches National Park, using Bar M, Klonzo, and Klondike Trail Systems. The trails are smooth and easy at points, technical slick rock at others, and there’s even some sand to shake things up. Winter is a great time to be in Moab running, and we’ve chosen a lower […]
Sourdough Snowshoe Race
The race is intended to be a difficult and fun free of charge backcountry event; any and all plans can change due to trail conditions for the runner’s safety. Snowshoes will be required unless the race director chooses to change the requirements due to trail conditions. All racers are required to carry 20 ounces of […]
Old Man Winter Rally 5K/10K
Bundle up and get ready to run and/or ride Colorado's best mixed terrain at the Old Man Winter Rally in Lyons on February 6th. Runners can crush the 10K course of single track trails, red rock canyon and gravel paths while riders can choose a 50K or 100K of dirt, snow, climbs and thrills! With a ragin' after party with hot food and cold beer, what more could you want?
Tortoise & Hare 8K
Edora Pool Ice Center 1801 Riverside Dr, Fort Collins, CO, United StatesThe Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the month. Computer-predicted times allow runners of all levels to compete equally. Runners start at staggered intervals with faster runners (Hares) trying to catch slower runners […]
RMRR Love on the Run 11K/5K
Centennial Park - Englewood 4630 S Decatur St, Englewood, CO, United StatesEveryone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed. Just show up an hour before the start and we’ll get you ready for your race. It’s an […]
Splash & Dash I
Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United StatesJoin us for a Kids’ Splash & Dash Series this winter at the Louisville Rec Center! Get ready for a fun, energetic winter racing experience! Each event features an indoor swim in the Louisville Rec Center pool, followed by a run on the outdoor trail. In the case of bad weather, the run will move […]
Running Up for Air
Running Up for Air unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events and strategic partnerships, every vertical foot run and every hour volunteered amplifies support for nonprofits dedicated to air aquality solutions, turning even small donations into […]
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