Event details subject to change. Please confirm all information via event website.

  • 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 […]

  • Niwot’s Challenge

    Sedalia Post Office 4195 Douglas Ave, Sedalia, CO, United States

    Niwot’s Challenge is a very difficult, grass-roots, ultramarathon in Colorado’s Front Range. It is modeled after the arduous Barkley Marathons in Tennessee, and the historic More and More Difficult 50K in New Hampshire. Much of the information for this event is kept secret with an exception for those who are accepted for entry. This is […]

  • 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. […]

  • Summits Trail Runs

    Granby Ranch 1000 Village Rd, Granby, CO, United States

    The Summits Trail Runs occur at Granby Ranch Resort in Colorado’s beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through […]

  • 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. […]

  • 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 […]

  • 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 […]

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