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

Events Search and Views Navigation

Event Views Navigation

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Today

  • ASDAsh 5K to Beat Tooth Decay

    Library Commons 12950 E Montview Blvd, Aurora, CO, United States

    Join us for the University of Colorado School of Dental Medicine's 6th Annual ASDAsh 5K to Beat Tooth Decay! We are excited to share that our 5K course has been […]

  • Platte River Half Marathon

    Featured
    Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United States

    Denver's oldest half marathon runs along the Platte River Trail, covering parts of Littleton and Denver.

  • Elevate Kids 5K/10K

    Las Colonias Park Riverside parkway, Grand Junction, CO, United States

    This event is for all ages and abilities, whether you're in it to win or out for a fun Sunday morning walk. Come out and take a step to help […]

    $28.74 – $60.83

  • RMRR City Park 4M

    RMRR Trophy Series
    City Park - Denver 1700 N York St, Denver, CO, United States

    Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]

  • Donut Dash

    Featured Colorado Runner Events Six Pack
    Washington Park - Denver 701 S Franklin St, Denver, CO, United States

    The Donut Dash 5K is Denver’s race that ends with doughnuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh doughnuts at the finish. Our mission is to bring people together to have a fun, fit morning.

  • Boulder Track Series #1

    Boulder Track Series
    Niwot High School 8989 Niwot Road, Niwot, CO, United States

    We are pleased to offer 2 x Spring track meets (4/12 & 5/3), for middle distance and distance runners, that will be conducted similarly to the BMC (British Milers Club) […]

  • Rattler Trail Race

    Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United States

    Rattler was created to feature one of Colorado Springs' best city parks, Palmer Park.  Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running […]

  • All-Out Beat the Heat

    Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United States

    One of Colorado's favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable […]

  • Polar Plunge 5K

    Boardwalk Park 100 N. 5th Street, Windsor, 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 & […]

    • Please click here to submit your event for FREE to our online calendar.
    We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
    Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.

    Views: 11