Colorado Multisport Calendar

Duathlon

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  • BBSC Endurance Sports

    Tri Boulder

    Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United States

    As one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day! Join us for a full day of racing at […]

  • Breakaway Athletic Events

    Last Call Triathlon

    Boyd Lake State Park (Loveland) 3720 N County Road 11-C, Loveland, CO, United States

    Yes! I want ONE MORE adventure!! Escape to the lake! The Last Call Triathlon will be an event you’ll look forward to all season long. Why? Beautiful mountain views, great […]

  • hilly Cheeks Duathlon Series logo

    Chilly Cheeks Duathlon Series

    Hobie Park 4800 S. Dayton St., Greenwood Village, CO, United States

    The Chilly Cheeks event is held in the traditional duathlon format of Run-Bike-Run. Both runs will be 2.5 miles and the bike course will be 10.8 miles. As always, we […]

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