Colorado Multisport Calendar

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.

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

Boulder Sunrise Triathlon

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

Kick off your summer of racing in Boulder.

Pagosa Duathlon

Pagosa Springs Pagosa Springs, CO, United States

​Race routes integrate beginner and intermediate levels of single-track trails, dirt and gravel roads. The venue of the San Juan National Forest could not be more perfect for athletes as they trek through aspen groves, grassy fields, and the dreaded rocky Piedra Stock driveway. The course is fast, testing each competitor’s endurance, speed and ability.

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, […]

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 the Rez.

XTERRA Portland

Portland, Oregon Portland, OR, United States

For a novice looking for a new challenge or a seasoned veteran looking to match up against the country's best athletes, 2022 XTERRA Portland is the place to test your limits. 26 World Champs Slots

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