News and Announcements

Parks and Recreation Updates

Posted on: September 7, 2023

Epic trail event, Castle Rock Trail Festival, takes over Philip S. Miller Park Oct. 7

Two people cheering while running on a trail. Logo reads Town of Castle Rock Trail Festival

Explore Castle Rock’s beautiful trails, participate in an epic event and learn to liveBIG, while supporting a great cause at the Castle Rock Trail Festival on Saturday, Oct. 7, at Philip S. Miller Park. 

This athletic event has something for everyone — from ultra-distance runners to families with children ages 5 to 12. Don’t miss this opportunity to explore the trails at Philip S. Miller Park and Ridgeline Open Space. Or, make memories with the entire family winding through a variety of kid-friendly obstacles at the liveBIG Family Adventure Run. 

The Castle Rock Trail Festival courses include:

  • 50K (approximately 31.06 miles)
    Race starts at 7:30 a.m.; finish line closes at 3:30 p.m.
  • Half Marathon (approximately 13.1 miles)
    Race starts at 8:30 a.m.
  • 10K (approximately 6.2 miles)
    Race starts at 9 a.m.
  • 5K (approximately 3.1 miles)
    Race starts at 9:30 a.m.
  • Family Adventure Run (approximately 1.2 miles with family-friendly obstacles)
    Race starts at 10:30 a.m.

Race fees include a T-shirt, custom finisher medal, professional chip timing, free photo download following the event and post-race refreshments. More information and registration are available at

The liveBIG race was created to help people share the outdoors with their friends and family while also exercising their bodies and minds. All proceeds from this event go to the Town’s Therapeutic Recreation Program. Thank you to our presenting sponsor, Hydrate IV Bar.

The Town’s Therapeutic Recreation program supports members of the community, and their families, who have cognitive and physical disabilities and helps them live an active lifestyle. More information is available at

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Need to talk to the Town? Dial 720-896-TOWN (8696) to reach a menu for help with frequently asked questions or live assistance during business hours. 

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