Lucky Leprechaun 5K

Twisted Pine Brewing Company 3201 Walnut St, Boulder, CO, United States

Join us on Sunday March 17th, for our Lucky Leprechaun 5K Fun Run taking place on St Patrick’s Day at Twisted Pine Brewing Company - 3201 Walnut St Suite A, Boulder, CO 80301. The Lucky Leprechaun Fun Run celebrates the origins of Saint Patrick's Day, or the Feast of Saint Patrick, which is a cultural […]

$35

Behind the Rocks Ultra

Behind the Rocks Trailhead Moab, UT, United States

Behind the Rocks Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall standing Navajo Sandstone domes and fins can be seen from many places along the course. This course traverses some remote trails, and give you the […]

Trail Apples 4 Mile

Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

Equinox Half Marathon

Sparge Brewing 3999 GW Bush Avenue Unit 101, Wellington, CO, United States

Both races start & finish at Sparge Brewing in Wellington 3999 GW Bush Unit 101, Wellington, CO 80549   4-Mile course is a square loop around the brewery on paved county roads. Half Marathon course runs on a mix (50/50) of paved & dirt country roads.

All-Out Spring Fever

North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United States

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Along with its Endless Series sidekick in October… Kooky-Spooky, these 5K, 10K & Half Marathon courses will hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail […]

Central Park 5K

Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

Is it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat and fast course in the historic Central Park neighborhood!

Polar Plunge 5K

Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United States

The 2024 Polar Plunge season is fast approaching, so get ready to RUN, PLUNGE, OR BOTH to raise funds and awareness for Special Olympics Colorado! Don't miss the Westerra Credit Union Aurora Polar Plunge presented by Murdoch's Ranch & Home Supply on Saturday, April 6 at Aurora Reservoir (5800 S. Powhaton Rd., Aurora, CO)! Event […]

Run the Ranch Trail Runs

Sylvan Dale Guest Ranch 2939 N CR 31D, Loveland, CO, United States

For the 5th year running and benefiting the Heart J organization, we are bringing back an amazing and beautiful trail race to Loveland, CO. You will have 6 distances to choose from. Come run on beautiful trails on private land at Sylvan Dale Guest Ranch. The views alone are to die for! There are different […]

Elevate Kids 10K/5K/2.5K

Las Colonias Park Riverside parkway, Grand Junction, CO, United States

This event is for all ages and all abilities, whether you're in it to win, or you're out for a fun Sunday morning walk.  Come out and take a step to help kids in Grand Junction by participating in the 2.5K, 5K, or 10k distance. The run/walk will take place on April 14th at Las Colonias Park, 1461 […]

$15 – $50

Desert RATS Trail Running Festival

Mack Trailhead on Kokopelli Trail 1022 Old US Hwy 6 & 50, Mack, CO, United States

Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of the Colorado River as you race through flowy singletrack, climb up the mesa, and take in the vastness of the desert.

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