Event details subject to change. Please confirm all information via event website.
Chilly Willy Half Marathon
Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United StatesIt'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 […]
Yeti Chase
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesThis race is conveniently located on the scenic west side of metro Denver. Bear Creek Lake Park is known for it’s diverse bird and waterfowl population as well as stunning […]
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 […]
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 […]
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?
Running Up for Air
Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United StatesRunning 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 […]
Westy Winter Waggle
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesIt's the Westy Winter Waggle 5&10k! Come waggle with us along an accurately measured, professionally timed course where you're welcomed by super friendly volunteers who wanna waggle with ya in […]
Sweet Heart Run
Fruita Community Center 324 N Coulson, Fruita, CO, United StatesThis February, run your heart out, sweetheart! Choose between a 5K or 10K along the scenic Fruita Trail System, and don’t forget to dress up for the costume contest. After […]
Vail Mountain Winter Uphill
Lionshead Gondola Vail, CO, United StatesJoin us as skiers, snowboarders and winter runners tackle 2,200 vertical feet of groomed trails to reach Eagle's Nest at the top of the Eagle Bahn Gondola in Lionshead. The […]
Toyota Super Half Mararthon
Pioneers Museum 215 South Tejon Street, 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.8, 2026, more than 1,500 runners will race […]
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