Endure Trail Runs

Mueller State Park 21045 State Highway 67, Divide, CO, United States

The Endure 12-Hour is a one-of-a-kind challenging 12-Hour timed event, designed by YOU… and tiny colorful balls. Each runner will pull colored balls from a bucket, which determines the loop they’ll next run. This continues for up to 12-hours in time, and the runner’s result is the number of miles they ran within the allotted time. […]

Latino Ultra Nature Adventure

Golden Gate Canyon State Park Crawford Gulch Rd, Black Hawk, CO, United States

The 2nd Annual Latino Ultra Nature Adventure (LUNA) is a culturally relevant and equity driven new kind of Ultra powering the physical and mental health that comes from the mix of athletics, awe inspiring nature, and forest bathing. LUNA promotes human-nature connections and self realization through running and hiking for communities historically excluded from exclusive outdoor sports. […]

CUCHARA Trail Runs

Cuchara Mountain Park 1234 Panadero Ave, La Veta, CO, United States

Join us during summer solstice weekend, in gorgeous Spanish Peaks Country of Huerfano County Colorado, for the toughest 50-Mile and 60k on the HPRS calendar -or- race to the top of Trinchera Peak (13,500′) and back to become King or Queen of The Trench -or- join us for an intro to trail running 5-Mile. This […]

Silverheels Trail Runs

Como Roadhouse 441 Boreas Pass Rd, Como, CO, United States

**BIG CHANGES TO SILVERHEELS** HPRS continues to work in earnest on a newly revamped Silverheels Trail Runs experience. Traditionally the Silverheels 100-Mile was held in concert with The Last Call Fifties, and on the same weekend. We made the decision to move on from the “Last Call” name except for it’s attribution to the 50-Mile. Moving […]

Sheep Mountain Ultras

Town of Fairplay Beach Beech Rd, Fairplay, CO, United States

Make no mistake, the elevation profile for The Sheep Mountain 50 mile and 50k are docile looking. However, the average elevation of over 10,500’ and copious amounts of aggressive terrain, will see you waddle away from this race in shock. Come ready my friends, this mountain throws everything it has at runners, challenging you from […]

Sangre de Cristo Ultras

Music Meadows Ranch 6076 Co Rd 119, Westcliffe, CO, United States

Come join us on the Rainbow Trail in the Sangre de Cristo mountains. Run beneath the watchful eye of these gorgeous, and ominous, mountains. This race is full of festivities, friends, challenge, and joy. Camp out with the HPRS tribe, whichever distance you choose you’ll wander through the Southern Colorado Rocky Mountains, and embrace the […]

Indian Creek Fifties

Indian Creek Campground 2499 Pine Creek Rd, Sedalia, CO, United States

The Indian Creek Fifties takes advantage of the challenging and little used terrain just southwest of the Denver Metro area. Loop 1 climbs to 8000′, and quickly flows down into the Grand Valley for a few gorgeous pink sunrise soaked miles. This loop almost seems friendly, until you’re given a few sharp stabs in the […]

BINGO! Trail Runs

May Farms 64001 US HWY 36, Byers, CO, United States

This event is an HPRS "Trail Party," designed to promote community and provide runners of all abilities an opportunity to enjoy trail and ultra running in a fun, stress free, environment. The Bingo! Trail Runs is a one-of-a-kind event, where each runner continues to run loops until they obtain a Bingo on their bib. A […]

Sawmill Trail Runs

Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

Weaving and rambling across the various rolling hills of Staunton State Park, the Sawmill Trail Runs serve as the ultimate test for December running. Runners will enjoy a single loop for 8-Miles, a double loop for 16-Miles, or the triple loop arduous 50k. We’re serving up December #Adversity at its finest. The Sawmill Trail Runs […]

Stories Trail Runs

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

The Stories Trail Runs is a unique winter trail running adventure taking place in Colorado Springs, CO against the breathtaking backdrop of Cheyenne Mountain, and “America’s Mountain” Pike’s Peak, with sweeping views of the Colorado Front Range below. This event features an amazing community atmosphere made possible by our main staging area/aid station at the […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.