All-Out Polar Prowl
Stenger Soccer Complex 11200 W 58th Ave, Arvada, CO, United StatesFrom the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you Polar Prowl! Along with its Endless Series sidekick in June… Summer Breeze, these 5K, 10K and Half Marathon courses will follow Van Bibber Creek Trail west through Arvada's open spaces with spectacular views of the countryside and Table Mountain. Plus… all distances […]
Sentinel Flurry 5K
Golden View Classical Academy 601 Corporate Cir, Golden, CO, United StatesArctic Prairie Dog Half Marathon
Coal Creek Golf Course 585 Dillion Rd, Louisville, CO, United StatesThe Arctic Prairie Dog race is the perfect motivation to get your New Year's goals calendar off and running (pun intended!). Check a half marathon, 10k or a 5k off your list on the 16th day of the New Year! Will it be easy? Nope. Will it be cold? Maybe. Will it be worth it? […]
Arches Ultra
Gemini Bridges Trailhead at Gemini Bridges, Moab, UT, United StatesArches 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 […]
Big Brrrrito! 5 Mile
Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United StatesWe host one race per month from November to March. All races are at Chatfield State Park and start at 9:00 am on Saturday mornings. Check-in starts at 8:15 am.
Rio Frio 5K
Cole Park 300 Hunt Ave, Alamosa, CO, United StatesThe Annual Rio Frio 5K on Ice is one of America’s most unique 5k races! This spectacular event is conducted entirely on the majestic frozen Rio Grande! Have you ever run on a frozen river? Come and try it out on January 29th in Alamosa.
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!
Sourdough Snowshoe Race
South Sourdough Trailhead 115 Co Rd 116, Nederland, CO, United StatesThe 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
Bohn Park 199 2nd Ave., Lyons, CO, United StatesBundle 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?
Super Half Marathon
Downtown Colorado Springs 121 S Tejon St, Colorado Springs, CO, United StatesThe streets and trails of downtown Colorado Springs are not exactly the "Frozen Tundra of Lambeau Field" but on Super Bowl Sunday, Feb.12, 2023, more than 1,500 runners will race for paydirt there in the 11th Super Half Marathon & Game Day 5K. This is Colorado Springs' Super Sunday Tradition! We have a flat and […]
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