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  • OTILLO Swimrun

    Horsetooth Reservoir 4200 W County Road 38 E, Fort Collins, CO, United States

    Welcome to the world of ÖTILLÖ Swimrun! ÖTILLÖ Swimrun, the original swimrun race, embodies the spirit of adventure, endurance, and teamwork. Originating in Sweden, ÖTILLÖ translates to “island to island” […]

  • RMRR Trophy Series

    RMRR 8M and 5K

    Star K Ranch 16002 E Smith Road, Aurora, 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 […]

  • Strides for Sierra 5K

    Sierra Elementary 7771 Oak St, Arvada, CO, United States

    Join us Sunday October 5th at 9:00am for the Third Annual Strides for Sierra 5K run/walk fundraiser.  Get your sweat on running or enjoy a leisurely stroll through the beautiful […]

  • PPRR Fall Series

    PPRR Fall Series I

    Bear Creek Regional Park 245 Bear Creek Road, Colorado Springs, CO, United States

    The Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at […]

  • Liberty Energy 5K

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

    Please join Liberty for our 5K run and walk, benefitting the Bettering Human Lives Foundation. This family-friendly event will include live music, a beer garden, face painting, food trucks, and […]

  • Long View Marathon

    City Park - Fort Collins 1500 W Mulberry St, Fort Collins, CO, United States

    Showcasing a unique city-to-city trail connection, The Long View Marathon and Half Marathon runs from Fort Collins to Loveland. Together, Gnar Runners and Sweetheart City Racing bring a unique collaboration […]

    $65 – $120

  • Sage Burner Trail Race

    Hartman Rocks Recreation Area Gunnison, CO, United States

    Nestled in the Rocky Mountains, about 2 hours east of Grand Junction and 3 hours west of Denver, lies a small running jewel called Gunnison, Colorado. Visit Gunnison, and you’ll […]

  • Suffer Better 50K/25K Trail Run

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

    We are stoked to once again invite you all to come run with us at Staunton State Park, off of Highway 285 near Conifer, CO, on October 15, 2022.  We […]

    $65

  • Gold Hill Classic

    Adventure Lodge - Boulder 91 Fourmile Canyon Dr, Boulder, CO, United States

    Nestled in the canyons of Boulder County, Colorado the Gold Hill Classic 30k launches runners into a thrilling mix of grit, grind, and gorgeous mountain views. Wind your way through soul-shaking […]

  • Breckenridge Road Marathon

    Breckenridge Recreation Center 880 Airport Road, Breckenridge, CO, United States

    THE BRECKENRIDGE ROAD MARATHON IS JUST THAT... ONE-OF-A-KIND EXPERIENCE, WITH A LITTLE SOMETHING FOR EVERYONE! ARE YOU LOOKING FOR THAT BUCKET LIST RACE, A WEEKEND GET AWAY WITH FRIENDS, OR […]

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