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  • Lucky Leprechaun 5K

    Twisted Pine Brewing Company 3201 Walnut St, Boulder, CO, United States

    Join us for our Lucky Leprechaun 5K Fun Run taking place on St Patrick’s Day at Twisted Pine Brewing Company - 3201 Walnut St Suite A, Boulder, CO 80301. The […]

    $35

  • Krueger Family Shamrock Shuffle

    Vail Golf Club 1778 Vail Valley Drive, Vail, CO, United States

    The annual Vail Recreation District Krueger Family Shamrock Shuffle short and long races and the kids' fun run will celebrate all things green in the spirit of St. Patrick’s Day! […]

  • COPS 90 Minute Race

    COPS Winter Running Series
    Colorado State Patrol Track 2054 Quaker Street, Golden, CO, United States

    The Colorado Outdoor Pace Series ("C.O.P.S.") is a unique set of races presented by Golden Mountain Runners and Golden Endurance. Race Dates January 7, 2026 - 5K January 21, 2026 […]

  • Canyonlands Half Marathon

    Scenic HWY 128 along Colorado River 36 S 100 E, Moab, UT, United States

    The first Canyonlands Half Marathon was run on May 1, 1976 had just 22 finishers, including a dog. Today, thousands of runners come together in March to enjoy the scenic […]

  • Kingfisher Half Marathon

    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.

  • All-Out Spring Fever

    North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United States

    From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Along […]

  • Central Park 5K

    Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

    Is it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat […]

  • Behind the Rocks Ultra

    Behind the Rocks Trailhead Moab, UT, United States

    Behind the Rocks Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall […]

  • Polar Plunge 5K

    Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United States

    Are you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & […]

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