Event details subject to change. Please confirm all information via event website.
Audi Power of Four Trail Race
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. The event’s signature race is a challenging 50K Ultra is part of […]
Summer Splash Prairie Dog Half Marathon
Castle View High School 5254 N. Meadows Dr., Castle Rock, CO, United StatesWelcome to the Summer Splash Prairie Dog Half, 10k & 5k in Castle Rock, Colorado. Part of the Prairie Dog Half race series, join us in July as we race through Castle Rock along the East Plum Creek Trail.
Silverton Alpine Marathon
Experience the best of the San Juan Mountains with an 8 miler, a marathon, or a 50 kilometer run along the Alpine Loop past the historic mining ghost towns of Howardsville, Eureka, Animas Forks & Gladstone. High point is 12,930 ft atop California Pass. Low point is Silverton at 9,318ft. Total vertical gain is 3,800 […]
Kids’ TRY-athlon
This event is all about fun over competition. Boys and girls of all ability levels show their skills in three events: swimming, biking and running. Come on, kids, TRY it out! Ages: 6 to 12, based on event date Event Distances 6-7 years: 25m swim (1 length)/ 0.75 mile bike/ .5 mile run 8-10 years: 50m […]
Mountain Swim Series II
The crossing is at Carter Lake, Colorado. Situated at just below 5800 feet, this nearly 3-mile swim is located in one of the most picturesque lakes in Colorado. Cash prize awards will be given out to the top three finishers in each division. Divisions will be both non-wetsuit and wetsuit for both men and women. […]
Tri Boulder
‘The Beast’ Long Course distance will be back for its second year! As one of Colorado’s most popular summer triathlons, Tri Boulder offers many different multisport race distances, all in one eventful day. Take in the natural beauty of the mountain backdrop that sets the scene for this iconic race destination. Most of the bike […]
Thumbs Up Summer Slam
Repeating 2km out-and-back laps on the Thumb Open Space trail, 540ft of vertical gain each. Start at 7:10am, finish at 7:10pm. Sunup to sundown. Collect a poker chip at the turnaround on each lap. Most chips wins. Distance awards at three milestones: 14 ascents — Estes Park 7,522' 18 ascents — Deer Mountain 10,103' 26 […]
Heritage Eagles 5K
Support the Heritage Eagles cross country team at the annual Heritage Eagles 5K. Last year's race, raised over $3,500 for the Heritage Eagles xc team; $ 10.00 of every registration goes right back to supporting the team. New this year, all-you-can-eat pancake breakfast provided by Flippin' Flapjacks. The Liberty Bell Cross Country Invitational has been […]
10K and 5K @10,000 Feet
Vail Village 292 E Meadow Dr, Vail, CO, United StatesVail Mountain's Views Won't be the Only Thing Taking Your Breath Away! The 10@10 returns to its original route on Grand Traverse. The race starts 10,000 feet above sea level, on the beautiful Vail Mountain. Racers will be challenged as they traverse over Vail Mountain and across the legendary back bowls of Vail. The average grade of the […]
Spring Creek Memorial Trail Run
Spring Creek Trailhead Steamboat Springs, CO, United StatesThis race is held in memory of Patty Brenner Hagberg who was struck and killed by a truck along the lower part of the trail in 1991. This race should remind all of us the importance of sharing multi-purpose use trails. The race is held on the beautiful Spring Creek trail with wildflowers and Aspen […]
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