Boulder Rez Half Marathon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesHalf Marathon, 10K, 5K, Relay
Half Marathon, 10K, 5K, Relay
Kick off your summer of racing in Boulder.
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 […]
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 […]
The Run the Rockies Trail 10k and Half Marathon will lead runners through the Frisco Peninsula trails with breathtaking views of Lake Dillon and the Ten Mile Range. This is […]
An all-time classic off-road triathlon course! Triathletes will start from a new location at Sand Harbor State Park in Lake Tahoe, one of the purest and deepest lakes in North […]
Join us for an unforgettable morning at the Boulder Reservoir. Although this race does not take place at sunset, it will take place at the end of the summer-- it's […]
Welcome to XTERRA Tremblant. This will be year three of this amazing off-road event in the heart of Quebec's triathlon mecca. The venue is a unique ecological preserve that is […]
The Run the Rockies Road 10k and Half Marathon will feature the traditional Run the Rockies Road Race course with runners starting near Copper Mountain; runners will follow the paved […]
The Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at […]
The Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at […]
