Colorado Triathlon - Boulder, Colorado - Triathlon

The Colorado Triathlon is a Triathlon race in Boulder, Colorado consisting of a Super Sprint.

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




COLORADO TRIATHLON SWIM COURSES (750 Meters & 1500 Meters)



The course for the Colorado Sprint Triathlon will take place in and around Boulder Reservoir, offering breathtaking views of the snow-capped mountains only miles away. The swim course is rectangular shaped, with the swimmers traveling in a counter clockwise direction. Participants exit the water at the southern end of the beach and follow the swim exit chute and blue carpet into transition! The water temperature at Boulder Reservoir normally ranges in the mid 60s this time of year.

COLORADO SPRINT TRIATHLON BIKE COURSE (17 Miles)



The bike course for the Colorado Sprint Triathlon will take athletes on a clock-wise circumnavigation of Boulder Reservoir. Athletes will head out to 36 via Jay rd, where they'll encounter rolling terrain before turning right onto Neva rd for a fun, fast, and flowing section with a wide bike shoulder. After Neva rd, athletes will head south on 63rd and face a few rolling hills before a flat and fast return section on 119! Overall this is a very beginner friendly course, but great for the seasoned veteran to challenge themselves to a new sprint triathlon PR!

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COLORADO OLYMPIC TRIATHLON BIKE COURSE (23.5 Miles)



The bike course for the Colorado Olympic Triathlon will take athletes on a similar course as the sprint, but instead of heading east on Neva rd, riders will continue north on 36. After a few more rolling hills, riders will descend down Nelson rd for a fun and fast downhill section before hitting the rollers on 63rd ave. Overall, this is a beginner friendly Olympic distance course and a great warm-up for longer late season events!

COLORADO TRIATHLON RUN COURSE (Sprint 5k & Oympic 10k)



The 5K and 10k run is an out & back course along the dirt road adjacent to Boulder Reservoir! The only way to describe this course is FLAT & FAST, and with the best finish line surprise in the sport! For those athletes who race the Stroke & Stride Series during the Summer, you know this course well! Athletes will encounter one aid station when they exit transition, and another one at the 1, 2 (Sprint) and 3, 4, 5 (Olympic) mile marks.