Logo

Rock Hawk

Castle Rock, United States • 29 Aug 2026

Rock Hawk Trail Races

The Rock Hawk Trail Races take place on Saturday, August 29, 2026, at Phillip S. Miller Park in Castle Rock, Colorado. The event offers four distances on trail: 50K, 25K, 10K, and 5K. The courses use the Miller Park and Ridgeline Trail systems, featuring rolling terrain and views.

The event has time limits: 9 hours for the 50K, 8 hours for the 25K, 3.5 hours for the 10K, and 3 hours for the 5K. There are two cup-free aid stations on the course providing water, Tailwind electrolyte drink, sweet snacks, salty snacks, and fruit.

Crew access is allowed at the start/finish area for all distances. Pacers are permitted for the 50K distance but must carry required gear. Runners may leave a drop bag at the start/finish line.

A portion of the race proceeds benefits the open spaces and trails of Castle Rock and partner charities. Bib pickup is available on the Friday before the race and on race morning. Registration operates on a tiered pricing system (Early Bird, Regular, Late, Race Week). Visit the organization's website for the most recent information.

United States Colorado Castle Rock

Race information

Website
50 km
50k
25 km
25k
10 km
10k
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Mountain Ridge Trail Race

Highlands Ranch

Celebrating its 11th year, the Mountain Ridge Trail Race winds through the rolling hills of Highlands Ranch, Colorado. Runners can choose from four distances, all on scenic dirt trails with rewarding front range views. The event is cupless,..

Greenland Trail Races

Larkspur

Run the fast trails of Greenland Open Space in Colorado this May. Choose from four distances, from a 4-mile race to a 50K championship event. All runners receive a tech shirt and medal, with pizza waiting at the finish.

Niwot's Challenge

Sedalia

Niwot's Challenge is a secretive, map-and-compass adventure in Colorado for experienced navigators. It features unsupported loops with significant off-trail travel and elevation gain. Entry is by application only for a limited field of part..

High Line Canal 10K Run

Centennial

Experience the 45th annual run along the scenic High Line Canal in Centennial. Enjoy chip timed 5K or 10K races followed by a pancake breakfast and beer garden.