Colorado Multisport Calendar

Triathlon

Events Search and Views Navigation

Event Views Navigation

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Today

  • XTERRA

    XTERRA Lake Tahoe

    Lake Tahoe, California Lake Tahoe, CA, United States

    An all-time classic off-road triathlon course! Triathletes will start from a new location at Sand Harbor State Park in Lake Tahoe, one of the purest and deepest lakes in North […]

  • BBSC Endurance Sports

    Boulder Sunset Triathlon

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

    Join us for an unforgettable morning at the Boulder Reservoir. Although this race does not take place at sunset, it will take place at the end of the summer-- it's […]

  • XTERRA

    XTERRA Tremblant

    Domain St-Bernard, Quebec, Canada Domain St-Bernard, Quebec, Canada

    Welcome to XTERRA Tremblant. This will be year three of this amazing off-road event in the heart of Quebec's triathlon mecca. The venue is a unique ecological preserve that is […]

  • IRONMAN

    IRONMAN Canada

    Penticton, British Columbia Penticton, British Columbia, Canada

  • Without Limits Productions

    Harvest Moon Long Course Triathlon

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

    The Harvest Moon Triathlon the 23rd edition of this event takes place at the beautiful Boulder Reservoir on September 10th, 2022. Est. in 2000 this Colorado classic provides the veterans […]

  • Racing Underground

    Littlefoot Triathlon

    Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United States

    Enjoy a fun late season tri at beautiful Bear Creek Lake Park in the Lakewood/Morrison area. Set at the base of the foothills, the Littlefoot Triathlon starts off with a […]

  • Without Limits Productions

    Oktoberfest Sprint Triathlon

    Union Reservoir (Longmont) 461 County Road 26, United States

    The Oktoberfest Sprint Triathlon features a half mile lake swim, a flat and fast single loop 12.9 mile bike, and finishes with a 3.1 mile run on a gravel road […]

  • 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 […]

XTERRA Wetsuits