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  • Father’s Day Classic

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    It's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! The Fun Run is an un-timed […]

  • Sunset Trail Running Festival

    Gold Hill Inn 401 Main St, Gold Hill, CO, United States

    Join us Sunday June 23rd, for the Sunset Trail Running Festival in Gold Hill CO, benefiting the Boulder Watershed Collective. There will be a 28K (17.4M), 12K (7.7M), 5K and Kids 1K trail race, that starts and finishes […]

  • Buffs4Life Kyle Macintosh 5K

    Franklin Field 2150 Stadium Dr, Boulder, CO, United States

    The 9th Annual Buffs4Life Kyle MacIntosh Memorial 5K is the family event of the season! Come out and spend a beautiful summer morning with the Buff community meeting current and […]

  • Highline Canal Summer Scamper

    Bible Park 6802 E Yale Ave, Denver, CO, United States

    The fourth annual High Line Canal Summer Scamper, 5K for All, will take place on the evening of June 24 at Bible Park in Denver. Before the 5K enjoy a […]

    $30 – $45

  • Boulder Stroke & Stride IV

    Boulder Stroke & Stride
    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Boulder Stroke & Stride offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the […]

  • Race in the Clouds Dirt Festival

    Buckskin Cemetery 227 Buckskin Street, Alma, CO, United States

    Get ready for a weekend of epic outdoor adventure at 10,600 feet in beautiful Alma, Colorado—the highest incorporated town in North America! Whether you love mountain biking, trail running, off-road […]

  • The John Cappis

    Silverton 414 Greene Street, Silverton, CO, United States

    What A free mountaineering jaunt originated by James Varner in honor of the legendary John Cappis, one of the founders of the Hardrock 100. The course gets tweaked from year […]

  • Timberview Trail Run

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race. This run […]

    $20 – $50

  • Alderfer / 3 Sisters 5K/10K

    Evergreen Trail Race Series
    Alderfer Ranch Pavilion 31677 Buffalo Park Rd, Evergreen, CO, United States

    Come run with us in beautiful Evergreen at Alderfer/3 Sisters Park! This race day will offer a both 5k and a 10k race coursing through this amazing park. Play fun […]

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