Stroke & Stride
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe 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 […]
Colorado Triathlete
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Colorado Multisport Calendar
Frisco Triathlon
Frisco Bay Marina 267 Marina Road, Frisco, CO, United StatesAre you looking for a new challenge this summer? Register for the 8th Annual Frisco Triathlon featuring stand-up-paddle boarding, mountain biking, and trail running. This twist on a triathlon is […]
Donor Dash 5K
Washington Park, Denver S. Downing St. and E. Louisiana Ave., Denver, CO, United States
Boulder Peak Triathlon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe 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 […]
Stroke & Stride
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe 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 […]
Lonetree Sprint Triathlon
Lonetree Reservoir (Loveland) Lonetree Reservoir, Loveland, CO, United StatesThe inaugural Lone tree Sprint was a success and we’re happy to be continuing this event on July 23rd! We LOVE this event, great mid-season race, open water swim and […]
Tri Boulder
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesAs 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 […]
Steamboat Lake Triathlon
Steamboat Lake State Park 61105 County Road 129, Clark, CO, United StatesAfter 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 […]
Stroke & Stride
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe 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 […]
Stroke & Stride
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThe 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 […]
Stagecoach Gravel Triathlon
Stagecoach Reservoir (Steamboat Springs) 25500 County Road 14, Oak Creek, CO, United StatesWe 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” […]
Boulder Rez Marathon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThis amazing run course will take you alongside the Boulder Reservoir, remaining mostly on dirt roads and trails. The course is flat with only 200 feet of gain, and will […]
