Colorado Multisport Calendar

  • 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” would be an understatement! Limited to just 250 athletes, we're excited to announce the first ever gravel triathlon to the Colorado triathlon landscape! This event […]

  • Stroke & Stride

    Boulder Reservoir 5275 Reservoir Road, 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 reservoir dam on 8 Thursday evenings (plus one Wednesday evening) throughout the summer. Many participants make their open-water swimming debut in the beginner-friendly Stroke & […]

  • Outdoor Divas Sprint Triathlon

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

    The Outdoor Divas Sprint Triathlon features a half mile lake swim, a flat and fast single loop 12.4 mile bike, and finishes with a 3.1 mile run on a gravel road that hugs the lake.

  • 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 sister race is the Boulder Sunrise in June. Experience gorgeous views at the recently upgraded venue. All participants receive stellar race shirts and finisher medals, […]

  • 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 750 meter swim in Soda Lake, with water temps expected to be approximately 70 degrees. Next, a rolling bike 15K bike ride that covers nearly […]

  • Desert’s Edge Triathlon Series

    Highline Lake State Park 1800 11.8 Road, Loma, CO, United States

    Desert’s Edge Triathlon Series features two days of racing, including Sprint and Olympic distance road triathlons, and a sprint off-road triathlon for open and collegiate racers.

  • 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 that hugs the lake. Please see course maps for a full description. Overall this is a beginner friendly course, and sets up very well for […]

  • 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 weather and a family fun venue! Did we mention camping? Yup! There’s that too. Sitting on the east side of Loveland and southeast of Fort […]

  • Vail Nordic Town Series Race

    Vail Nordic Center 1775 Sunburst Drive, Vail, CO, United States

    The Vail Nordic Town Series Races are put on by the Ski & Snowboard Club Vail. Skiers of all ages and abilities are welcome to attend! Day-of, on-site registration | $5 for 1K & 3K races, $10 for 5K and up

  • Grand Nordic 15K Skate Race, GCNRS #1

    Snow Mountain Ranch 1101 Co Rd 53, Granby, CO, United States

    Venue: Snow Mountain Ranch Nordic trails; Race HQ will be in the Camper’s Hub building Event: Skate, Long Course 15k, Short Course 7.5k, Junior 3k. Course: Challenging 7.5 km loop that will test your early season fitness! Start Time: 11am Registration: Closes day of event

  • Snow Mountain Ranch Classic Race, GCNRS #2

    Snow Mountain Ranch 1101 Co Rd 53, Granby, CO, United States

    Venue: Snow Mountain Ranch Nordic trails; Race HQ will be in the Camper’s Hub building Event: Classic, Long Course 15km, Short Course 7.5km, Junior 3km Course: Some long hills that will require pacing, fast descents and maybe a moose or two! The event will be based out of the new “campers hub building” adjacent to […]

  • Bloch Ongert Beaver Creek Uphill & SkiMo

    Beaver Creek Beaver Creek, CO, United States

    There's Nothing Like First Tracks on Some Fresh Corduroy! Come ski, board, or run with us until the sun comes up on some of the best ski slopes in Colorado! Kicking off the Winter Races is the Beaver Creek *Skimo/Boardmo and Uphill with over 2,000 feet of vertical gain from the base of Centennial Lift […]

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