Half Marathon

5K/10K/Half- Marathon & Relay registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a […]

SCHEDULE OF RACES – A marathon and half marathon will be completed each day, Thursday through Sunday.  All races begin at 8:30 a.m., except for Sunday (New Mexico), which starts at […]

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.

Join the Cheyenne Regional Medical Center Foundation for this scenic trail run/walk at the Terry Bison Ranch. The terrain includes gentle rolling prairie pasture, a short rocky hill we refer […]

Announcement: All Course Profiles and GPX files are released on the race website! Come join us to run through a magical part of history in the Cuchara Valley. The Spanish […]

Get ready for a weekend of epic outdoor adventure at 10,600 feet in beautiful Alma, Colorado—the highest incorporated town in North America! Whether you love mountain biking, trail running, off-road […]

Suit up for the Hero Hustle – the ultimate family fun run! Whether you’re zooming through the 5k, taking on the 10k adventure, or challenging yourself with the Half Marathon, […]

First 20 to register (in each category) will get a t-shirt. Overall Prizes for M/F – 1st, 2nd and 3rd place 10k and Half Marathon: out-and-back, the first mile is […]

Set against the breathtaking backdrop of the luxurious High Lonesome Ranch, this isn’t just a race—it’s a full weekend of adventure and celebration! Runners will enjoy a country cookout, campfires, live […]