The Audi Power of Four Race Series is a premier endurance race series utilizing the unique and amazing terrain of each of the four Aspen Snowmass mountains. Each race is designed to test the limits and skills of both elite and recreational athletes.
Join us for the Annual Frisco Freeze Fat Bike Race at the Frisco Nordic Center. This is your one chance this winter to ride your fat bike on the Frisco Nordic trails and the Frisco Freeze is back in 2022 with an all new course! This fun course showcases amazing views of Buffalo Mountain and […]
The Ralston Creek Half-Marathon & 5K has become Colorado’s premier winter half marathon! Finisher Medals for Half Marathon finishers and a generous 4:30 cutoff time. Courses follow a scenic mix of road and bike path through Arvada's beautiful west side. Long-Sleeve Gender-Specific Tech Shirts, hot cocoa, breakfast burritos from El Senor Sol Mexican restaurant, and […]
Denver's low key, low cost multisport winter series!!! The Chilly Cheeks Winter Series is composed of three fun run-bike events at the Cherry Creek Reservoir. We provide a marked and marshaled course, fast & accurate chip timing, light refreshments, and some fun mid-winter competition in the heart of Denver. When you enter the three race […]
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.
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 […]
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 […]
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 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
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 & […]
Presale Registration for 2023 IRONMAN 70.3 Boulder opens at 10am MT on Thursday, August 4, 2022.
