Rock Hawk
Castle Rock, United States • 29 Aug 2026
Rock Hawk Trail Races
Rock Hawk Trail Races take place on Saturday, August 29, 2026, at Philip S. Miller Park in Castle Rock, Colorado. The event offers multiple trail distances and a single-day race format. Registration for the event closes on Monday, August 24 at 11:59 PM MT.
Distances
- 50K
- 25K
- 10K
- 5K
Course and race details
All courses use sections of Castle Rock’s Miller Park and Ridgeline Trail systems. Trails are described as rolling and not overly technical. A portion of race proceeds benefits the open spaces and trails of Castle Rock and partner charities.
Course specifics by distance (selected facts)
- 50K: 31.2 miles, 3,325 feet total elevation gain, max elevation 6,635 feet, time limit 9 hours.
- 25K: 15.6 miles, 1,667 feet gain, max elevation 6,635 feet, time limit 8 hours.
- 10K: 6.2 miles, 744 feet gain, max elevation 6,612 feet, time limit 3.5 hours.
- 5K: 3.1 miles, 342 feet gain, max elevation 6,578 feet, time limit 3 hours.
There are two cup-free aid stations on course that runners will pass multiple times. Aid stations provide water, an electrolyte drink (Tailwind), sweet and salty snacks, and fruit. Runners may leave a weather-sealed drop bag at the start/finish. Crew and pacer policies vary by distance; pacers must carry required gear and complete a gear check. Participants receive official chip timing, a custom finisher award, finish-line photos, and live split tracking during the event. Visit the organization's website for the most recent information.