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  • Rio Frio 5K

    Cole Park 300 Hunt Ave, Alamosa, CO, United States

    The 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.

    $25

  • Arrowhead Uphill

    Arrowhead at Beaver Creek 160 Cresta Rd, Edwards, CO, United States

    We traversed across Beaver Creek and into Arrowhead for the second installment of the VRD Winter Races! Participants can choose between *skimo/boardmo and uphill with approximately 1,700 feet of vertical gain […]

  • Canceled Chilly Willy Half Marathon

    Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

    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 […]

  • Freakin Freezin 5K

    Northfield High School 5500 Central Park Blvd, Denver, CO, United States

    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 […]

  • Arches Ultra

    Gemini Bridges Trailhead at Gemini Bridges, Moab, UT, United States

    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 […]

  • Sourdough Snowshoe Race

    South Sourdough Trailhead 115 Co Rd 116, Nederland, CO, United States

    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 […]

  • Old Man Winter Rally 5K/10K

    Bohn Park 199 2nd Ave., Lyons, CO, United States

    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?

    $49

  • Splash & Dash I

    Louisville Winter Splash & Dash Series
    Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United States

    Join 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 […]

  • Running Up for Air

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    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 […]

  • Westy Winter Waggle

    Winter Six Pack Series
    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    It'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 […]

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