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

  • 5K Raptor Run

    Barr Lake State Park 13401 Piccadilly Road, Brighton, CO, United States

    Please come run/walk, being your dog too if you want at Barr Lake State Park Have fun! Bring a friend. Sign up on Running Guru or go to Friends of […]

    $35.00 – $40.00
  • PPRR Nielson Challenge

    PPRR Nielson Challenge

    North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

    Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]

  • Mav Day 5K

    Foster Field House - CMU 905 Mesa Ave, Grand Junction, CO, United States

    Lace up your sneakers and get ready for an epic, one-of-a-kind 5k experience! Join us for our 2nd annual 5k that supports student scholarships. Every penny raised will be donated to […]

  • RMRR Trophy Series

    RMRR City Park 4M

    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 […]

  • South Suburban Race Series

    Rockin’ on the River 5K

    Hudson Gardens and Event Center 6115 S Santa Fe Dr, Littleton, CO, United States

    Dust off your well-loved t-shirts and show 'em off at the Rockin' on the River 5K! Pre and post-race music and entertainment for all. Take in the view along the beautiful […]

  • Colorado Brewery Running Series

    Avery Spring 5K

    Avery Brewing Company 4910 Nautilus Ct N, Boulder, CO, United States

    Join us for The Avery Spring 5k @ Avery Brewing on April 6, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Boulder. […]

  • RMRR Spring Marathon Training Series #2

    Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United States

    These Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and […]

  • Polar Plunge 5K

    Boardwalk Park 100 N. 5th Street, Windsor, CO, United States

    The 2024 Polar Plunge season is fast approaching, so get ready to jump in, make a splash and choose your chill for Special Olympics Colorado! Don't miss the Westerra Credit […]

  • CMRA Clear Creek 5K

    Prospect Park W 44th Avenue and Robb Street, Wheat Ridge, CO, United States

    This race will head west from Prospect Park on the Clear Creek trail on the north side of Clear Creek. There will be a turnaround and part way back there […]

  • Diabetes Link 5K

    VAC Plaza at the University of Colorado 1085 18th Street, Boulder, CO, United States

    Join us for the CU Boulder Diabetes Link Fundraising 5k Race this April 13th to support diabetes research and raise awareness!

    • 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: 12