Greenland Pack Burro Race

Greenland Open Space 1532 E Noe Rd, Larkspur, CO, United States

Welcome to the annual Greenland Open Space Pack Burro Races presented by Double Rainbow Ranch! Grab your burro and join us for a fun and rewarding day on the majestic Greenland Open Space Trail in beautiful Larkspur, Colorado. RACE RULES Each entrant will pay a fee as determined by the Race Director for each race. […]

BRR Summer Track Series #3

Potts Field 4001 Discovery Drive, Boulder, CO, United States

Join us for The Boulder Road Runners All-Comers Summer Track & Field series! We are back at CU Pott’s Field on a brand new track!! Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment. We host multiple […]

$10 – $15

High Lonesome 100

County Road 321 Nathrop, CO, United States

The High Lonesome 100 is a high flying endurance race in the Sawatch range of the Colorado Rocky Mountains. With 22,500' of vertical gain and reaching an elevation of 13,150', it's a hell of a course. The race runs in a loop through some of the most beautiful single track in the state, and takes runners on the Continental Divide and Colorado Trail, through 2 ghost towns, over 5 alpine passes, through remote basins, and over soaring ridges. This year's event takes place on July 30th.

Audi Power of Four Trail Race

Aspen Mountain 601 East Dean Street, Aspen, CO, United States

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 Sizzler 5K/10K/15K

America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

Join us on July 15th, 2023 for the annual Summer Sizzler, featuring the amazing scenery of America the Beautiful Park!  Whether you are looking to run, walk or just enjoy the race SWAG this race is a sure thing for a great time and an incredible experience! This is a fun, family event for all […]

Heritage Eagles 5K

Heritage High School 1401 W Geddes Ave, Littleton, CO, United States

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 […]

Vail 10K and 5K @10,000 Feet

Vail Village 292 E Meadow Dr, Vail, CO, United States

Both Dynafit 5K and 10K races, presented by Summit Ford, will begin at 8 a.m. at the top of Gondola One at Mid-Vail on Vail Mountain, with the entire race taking place above 9,000 feet. The average grade of the 10K is 7 percent with an elevation gain of nearly 1,200 feet, while the shorter […]

Spring Creek Memorial Trail Run

Spring Creek Trailhead Steamboat Springs, CO, United States

This 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 […]

Canceled Fox on the Run Trail Races

Turkey Springs Guard Station US Forest Service Road 629, Pagosa Springs, CO, United States

The Fox on the Run is a 10 mile and 5 mile trail race that starts and finishes near the Turkey Springs Guard Station in Pagosa Springs, CO. This 5 mile and 10 mile trail race takes place on July 16th.

$75

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