Boulder Rez Half Marathon
Half Marathon, 10K, 5K, Relay
Events
12 events found.
Colorado Multisport Calendar
Run
Events
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Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United States
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Boulder Sunrise Triathlon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesKick off your summer of racing in Boulder.
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Frisco Triathlon
Frisco Bay Marina 267 Marina Road, Frisco, CO, United StatesAre 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 […]
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Boulder Rez Marathon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesThis 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 […]
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Timberview Trail Run
Lory State Park (Fort Collins) 708 Lodgepole Drive, Bellvue, CO, United StatesCrisp 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 […]
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Run the Rockies Trail 10K & Half Marathon
Frisco Nordic Center 616 Recreation Way, Frisco, CO, United StatesThe 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 […]
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XTERRA Lake Tahoe
Lake Tahoe, California Lake Tahoe, CA, United StatesAn 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 […]
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Boulder Sunset Triathlon
Boulder Reservoir 5275 Reservoir Road, Boulder, CO, United StatesJoin 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 […]
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XTERRA Tremblant
Domain St-Bernard, Quebec, Canada Domain St-Bernard, Quebec, CanadaWelcome 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 […]
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Run the Rockies Road 10K & Half Marathon
Frisco Frisco, CO, United StatesThe 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 […]
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Pikes Peak Ascent
Manitou Springs Manitou Springs, CO, United StatesThe 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 […]
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Pikes Peak Marathon
Manitou Springs Manitou Springs, CO, United StatesThe 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 […]
