Event details subject to change. Please confirm all information via event website.

  • Sentinel Flurry 5K

    Golden View Classical Academy 601 Corporate Cir, Golden, CO, United States

    The Sentinel Flurry returns for the 2025-2026 School year! It will take place on January 10th, 2026.   Participants can sign up for the 1 mile, 5K or the Combo.  Combo participants will run both the 5K and the 1 Mile.

  • Beaver Creek Uphill

    Beaver Creek Mountain PO Box 0058, Avon, CO, United States

    Come ski, board, or run with us until the sun comes up on some of the best ski slopes in Colorado! Kicking off the Winter Races is the Beaver Creek *Skimo/Boardmo and Uphill with over 2,000 feet of vertical gain from the base of Centennial Lift to Spruce Saddle Lodge. Get those thighs and quads […]

  • Trail Apples 4 Mile

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

    We 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.

  • Colorado Cold Rush 5K/10K

    Coal Creek Golf Course 585 Dillion Rd, Louisville, CO, United States

    Starting at Louisville's Coal Creek Golf Course and running through neighborhoods, past fairways and along ponds and open spaces, the wintery 5k/10k sometimes has sun and 65* without a cloud in the sky and sometimes, we're up against negative temps and blowing snow. What will this year bring? Are you up for the challenge?

  • Prairie Dog Race Series

    Colorado Cold Rush

    Coal Creek Golf Course 585 Dillion Rd, Louisville, CO, United States

    Baby, it's cold outside... And we're gonna take it on, because that's what living in Colorado is all about. Let's conquer the elements together at this WINTERY January 5k/10k race. We're staying cool in Colorado, one mile at a time! Starting at Louisville's Coal Creek Golf Course and running through neighborhoods, past fairways and along […]

  • Chilly Willy Half Marathon

    Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, 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 racing the trails Cottonwood Creek Park.  All the races start at 8:30 am, with   Finisher Medals for everyone! Only 200 finisher medals will be ordered […]

  • 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
  • Front Range Freeze

    Polar Bear 5K

    Horsetooth Reservoir 4200 W County Road 38 E, Fort Collins, CO, United States

    Enjoy 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!

  • 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 from the base of the Arrow Bahn Lift to the top. The event will conclude with breakfast and awards at Broken Arrow Restaurant at the base […]

  • 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 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 […]

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