Colorado Multisport Calendar

  • IRONMAN Texas

    The Woodlands, Texas The Woodlands, TX, United States

    IRONMAN Texas has been selected to host the IRONMAN Americas Championship for 2023.

  • Barkin’ Dog Duathlon

    Cherry Creek State Park 4201 South Parker Road, Aurora, CO, United States

    Participants can choose from the standard 5K Run, 34K Bike, 5K Run event or the short course which challenges participants with a 1.2 Mile Run, 11 Mile Bike, 5K Run.

  • Dash & Dine 5K

    The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.

  • Dash & Dine 5K

    The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.

  • Dash & Dine 5K

    The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.

  • NOCO Half Marathon & 10K

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

    Spring is the season of renewal and running. We hope you join us for a fun adventure that embodies the spirit of springtime at the beautiful Boyd Lake State Park! Choose from the Half Marathon (13.1 mile) or 10K (6.2 mile) for your run adventure. This course is on smooth paved walkways with about three […]

  • IRONMAN Tulsa

    Tulsa, Oklahoma Tulsa, OK, United States

    Steeped in southern charm and lush greenspace, 2023 Certified Piedmontese Beef IRONMAN Tulsa is your chance to become an IRONMAN. Swim the calm waters of Keystone Lake, dig deep on iconic Route 66 and feel the rush of the cheering spectators through downtown. This is your year: Unleash your inner spirit.

  • 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 to more competitive triathletes on a fun and challenging course. Bring the kids for the youth triathlon, Mini Mortals Triathlon, after the adult race. This […]

  • Dash & Dine 5K

    The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.

  • 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 & […]

  • 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 run Colorado Olympic Duathlon: 5k run, 23.5 mile bike, and a 10k run Colorado Aquabike: Will feature a 1500 meter swim and a 24.8m bike

  • 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 & […]

XTERRA Wetsuits