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  • Med Bow Rail Marathon

    Lake Owen Lake Owen Rd, Albany, WY, United States

    The Friends of the Medicine Bow Rail Trail will host the second annual Med Bow Rail Marathon & Half Marathon on August 13th, 2022 at Lake Owen in the Medicine Bow National Forest near Laramie, Wyoming.

    $50 – $75

  • Just Peachy 5K

    Palisade Riverbend Park 451 Pendleton St., Palisade, CO, United States

    Join the Grand Junction Sports Commission for the Just Peachy 5K presented by Grand Valley Primary Care Palisade (Community Hospital) on Saturday, August 19th.  This fun 5K is great for […]

  • Erie Half & 5K

    Reliance Park 900 Weld County Road 1.5, Erie, CO, United States

    Join us for the Erie Half and 5k! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. LOOK […]

  • Outdoor Divas Triathlon

    Union Reservoir 461 County Road 26, Longmont, CO, United States

    The Outdoor Divas Sprint Triathlon on August 21st, annually awarded best women's event in Colorado by Competitor Magazine, is the all women's triathlon you've been waiting for!  We intentionally keep […]

  • Staunton Rocks! Trail Marathon

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Welcome to the Staunton Rocks! Marathon & Half Marathon, an event put on by trail runners for trail runners on August 28, 2021. Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations.

    $90 – $130

  • Mountain Swim Series IV

    Wellington Lake Wellington Lake Rd. Pike National Forest, Bailey, CO, United States

    Highest altitude organized marathon swim event in the country at ~8,000 feet. RACE DETAILS Distance Price* Swimmers 2.5K $110.00   Both skin/wetsuit event options 1-hour swim cutoff** 1 loop around […]

  • Ram Run 5K

    Green Mountain High School 13175 West Green Mountain Dr, Lakewood, CO, United States

    Come join in the celebration of the resurgence of a great community event. The Ram Run will be returning to it's traditional month. This fun and exciting event will include […]

    $30

  • Boulder 5K Taco Run

    Boulder Public Library 1001 Arapahoe Ave, Bouler, CO, United States

    Super charge your Taco Crushing appetite with a run before the Boulder Taco Fest! A non-competitive fun run on some of Boulder’s most beautiful multi-use paths. There’s even an aid […]

  • Wellington Swim-Run Challenge

    Wellington Lake Wellington Lake Rd. Pike National Forest, Bailey, CO, United States

    Swimmers may choose to swim with their shoes, paddles, a wetsuit, pull buoy, floaties, rubber duckies, inflatable flamingoes or any other nonmotorized swim aid in this event. Race Course Per […]

  • Rock Hawk Trail Race

    Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United States

    Held on the gorgeous, thrilling and rolling trails of Castle Rock’s Miller Park & Ridgeline Trail systems. While not overly technical, these trails will challenge and excite, as you soak […]

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