Colorado Multisport Calendar

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  • 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 […]

  • IRONMAN World Championship logo

    IRONMAN World Championship – Men’s Race

    Kailua-Kona, Hawaii Kailua-Kona, HI, United States

    The very best will embark on a 140.6-mile journey that presents the ultimate test of body, mind and spirit. Through decades of stellar athlete performances, inspirational participants and emotional memories, […]

  • Ordinary Mortals

    Ordinary Mortals Triathlon

    Pueblo 2200 Bonforte Blvd, Pueblo, CO, United States

    Ordinary Mortals Triathlon (OMT) is a reverse order sprint distance (5 km run, 12.5-mile bike, 300-yard pool swim) triathlon for all us "Ordinary Mortals" - from the first time triathlete […]

  • Without Limits Productions

    Colorado Triathlon

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

    Colorado Sprint Triathlon: 750 meter swim, rolling and fast 17 mile bike, and finishes with a 3.1 mile run Colorado Olympic Triathlon: 1500m swim, 23.5 mile bike, and a 10k […]

  • IRONMAN 70.3 Boulder

    IRONMAN 70.3 Boulder

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

    Presale Registration for 2023 IRONMAN 70.3 Boulder opens at 10am MT on Thursday, August 4, 2022.

  • Lake to Lake Events logo

    Loveland Lake to Lake Triathlon

    North Lake Park (Loveland) 2750 N. Taft Ave., Loveland, CO, United States

    This event provides a beautiful venue. The transition area and lake are near North Lake Park. North Lake Park is a nice setting for competitors and families. It has a […]

  • BBSC Endurance Sports

    Boulder Sunrise Triathlon

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

    Kick off your summer of racing in Boulder.

  • LG Triathlon

    Gypsum Gypsum, CO, United States

    Join us for the Annual LG Tri, a sprint triathlon in the beautiful Vail Valley town of Gypsum, Colorado. The course features a 500-yard open water swim, a 12-mile bike […]

  • Without Limits Productions

    Boulder Peak Triathlon

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

    The Boulder Peak Triathlon, Duathlon & Aquabike on July 10th is one of the countries longest and most well-known triathlons. For the veteran or first time racer, this is THE […]

  • 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 […]

  • Without Limits Productions

    Steamboat Lake Triathlon

    Steamboat Lake State Park 61105 County Road 129, Clark, CO, United States

    After last summer this event instantly became a personal favorite for our staff, volunteers, and athletes - come find out why! We couldn't be more excited about this course, this […]

  • Without Limits Productions

    Stagecoach Gravel Triathlon

    Stagecoach Reservoir (Steamboat Springs) 25500 County Road 14, Oak Creek, CO, United States

    We didn't get the chance to launch this race in 2020, but that didn't diminish our passion for this brand new style of triathlon! To say this race is “unique” […]

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