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 […]
Half Marathon, 10K, 5K, Relay
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
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! […]
The Dash & Dine 5k run, Boulder's favorite spring tune-up run series at the beautiful Boulder Reservoir in Boulder, CO.
Kick off your summer of racing in Boulder.
Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race. This run […]
Are 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 […]
This 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 […]
