Boulder Peak Triathlon

Boulder Reservoir 5565 N 51st St, 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, […]

Steamboat Lake Sprint Triathlon

Steamboat Lake State Park 61105 RCR 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 […]

$85 – $135

Stagecoach Gravel Triathlon

Stagecoach Reservoir 25500 Co Rd 14, Oak Creek, CO, United States

To say this race is “unique” would be an understatement! Limited to just 250 athletes, Without Limits is excited to announce the first ever gravel triathlon to the Colorado triathlon landscape! This event is set for July 31st at Stagecoach Reservoir, a quiet and picturesque lake just 15 minutes south of Steamboat Springs.

Outdoor Divas Triathlon

Union Reservoir 461 County Road 26, Longmont, CO, United States

The Outdoor Divas Sprint Triathlon on August 21st, annually awarded best women's event in Colorado by Competitor Magazine, is the all women's triathlon you've been waiting for!  We intentionally keep the race cap low at 600 women to create a fun, festive, yet intimate racing environment.  Great goodie bags, one of our biggest expos of […]

Oktoberfest Triathlon

Union Reservoir 461 County Road 26, Longmont, CO, United States

The annual Oktoberfest Triathlon on Saturday September 24th, 2022,  is the party of the season and also a 2022 Mountain Collegiate Conference Race!  As the leaves change color this race will officially end the Colorado Triathlon Season!  It's been a long fun season but before the snow begins to fall let's get one more triathlon […]

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