Colorado Multisport Calendar

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • XTERRA Lory

    Lory State Park (Fort Collins) 708 Lodgepole Drive, Bellvue, CO, United States

    XTERRA Lory Triathlon on June 18th is the perfect kick-off to the year for the seasoned off-road triathlete, or a great opportunity for the road triathlete wanting to try out a mountain bike triathlon for the first time. The XTERRA Lory Triathlon features a 1/2 mile swim in the clear waters of Horsetooth Reservoir (Eltuk […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • 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 can’t miss event of the summer triathlon season, and the crown jewel of the Colorado Triathlon Series. Racers are tackling the infamous “Olde Stage” Hill, […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • 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 lake, and the overall experience. The swim starts out in the surprisingly warm waters of Steamboat Lake (74 degrees average race temp), then athletes transition […]

  • Stroke & Stride

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

    The Boulder Stroke & Stride enters its 21st season in 2022, and 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 […]

  • Parker Open Water Swim

    Rueter-Hess Reservoir (Parker, Castle Pines) Parker, CO, United States

    This open water swimming oasis has been the hottest venue in Colorado since our first open water swim back in 2016. Who's ready for 2022? Don't delay, last year we sold out in just a few months! The course will be set up as a 1.2 mile out and back, with the option to swim […]

  • 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 […]

XTERRA Wetsuits