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  • Gluten Free Gallop

    Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

    Join Denver Celiacs to raise awareness of celiac disease and all gluten-related disorders. Our 13th Annual Gluten Free Gallop 5K will take place at Clement Park in Littleton, CO, on […]

  • Ouray Backyard Ultra

    Fellin Park 1001 US-550, Ouray, CO, United States

    A Backyard Ultra. Complete an easy 4.167 mile course. If you finish in less than an hour—just a 14:24 pace per mile—you get to do it again at the top […]

  • Colfax 5K

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

    Come run City Park in the Colfax 5K!  Go for a PR in this chip-timed race – separate stroller-friendly start wave for families and walkers.  And, you can run with […]

  • Colfax Marathon

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

    New for our 20th Year! “WOW” at Every Mile To celebrate our 20th, every mile will have a WOW for runners. That moment every mile that gives you that WOW […]

  • Wild Horse Half Marathon

    High Lonesome Ranch 275 CR 222, De Beque, CO, United States

    Set against the breathtaking backdrop of the luxurious High Lonesome Ranch, this isn’t just a race—it’s a full weekend of adventure and celebration! Runners will enjoy a country cookout, campfires, live […]

  • Mt Sopris Run-Off

    Flying Dog Ranch 1625 Co Rd 111, Carbondale, CO, United States

    The Mt Sopris Run-Off takes place in Carbondale, CO and offers two distances – 10-Miles and 28k. Historically this race has been a part of the Town of Carbondale’s Mountain […]

  • Miles for Smiles 5K

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

    The Miles for Smiles 5K is a friendly event that begins and ends on the track at the North Area Athletic Complex (NAAC) in Arvada with a scenic trek along the Fairmount Trail in the middle. Join Right Start Events on May 15th, 2022 for this 5K and Adaptive Dash.

  • Canine On the Creek 5K

    Charlie's Place Animal Shelter 500 W Dumont Rd, Dumont, CO, United States

    Gather your family and friends, including your furry friends—don't forget Fido! Grab your running (or walking) shoes and join us in supporting FOCP (Friends of Charlie's Place), the Clear Creek […]

  • Turquoise Lake 20K

    Turquoise Lake Matchless Boat Ramp, Leadville, CO, United States

    The Turquoise Lake 20K offers unparalleled mountain views as you run clockwise around scenic Turquoise Lake. The first 7.5 miles of the course consists of hilly paved road. The final […]

  • Farish Trail Race

    Farish Recreation Area 12005 Rampart Range Rd, Woodland Park, CO, United States

    Date: May 23, 2026 Location: Farish Recreation Area at 12005 Rampart Range Rd Woodland Park, CO 80863 Start times: 7:00 am – 8:00 am Distance: Half Marathon, 10K, 5K 1 […]

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