Boulder Rez Half Marathon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesHalf Marathon, 10K, 5K, Relay
Colorado Triathlete
Your news source for triathlon in Colorado since 1999!
Loading view.
Colorado Multisport Calendar
5 KM
Stocking Run 5K
Superior Superior, CO, United StatesThe Stocking Run is a festive 5K road run in the town of Superior on December 11th. All finishers will receive a stocking run finisher medal that doubles as a Christmas tree ornament! How fun is that! Runners will also receive a gender-specific technical running shirt, a printable finisher certificate, and free race photo downloads! […]
Yeti Chase 5K & 10K
Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United StatesThe Yeti Chase 5K & 10K take place at beautiful Bear Creek Lake Park in Lakewood. This is the 13th year for the Yeti Chase, and it has sold out well before race day in all previous years. After chasing down the Yeti, runners wander the park's 2,500 acres, known for it's diverse bird and […]
Ralston Creek Half-Marathon & 5K
Arvada Arvada, CO, United StatesThe 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 […]
Boulder Rez Half Marathon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesHalf Marathon, 10K, 5K, Relay
Dash & Dine 5K
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
Dash & Dine 5K
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
Dash & Dine 5K
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
Dash & Dine 5K
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
Donor Dash 5K
Washington Park, Denver S. Downing St. and E. Louisiana Ave., Denver, CO, United States
Yeti Chase 5K & 10K
Bear Creek Lake Park (Lakewood) 15600 W. Morrison Road, Lakewood, CO, United StatesThe Yeti Chase 5K & 10K take place at beautiful Bear Creek Lake Park in Lakewood. This is the 13th year for the Yeti Chase, and it has sold out well before race day in all previous years. After chasing down the Yeti, runners wander the park's 2,500 acres, known for it's diverse bird and […]
Ralston Creek Half-Marathon & 5K
Arvada Arvada, CO, United StatesThe 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 […]
