Castle Rock Trail Festival

The Castle Rock Trail Festival, also known as the liveBIG Run, invites participants to challenge themselves on the scenic trails of Philip S. Miller Park and Ridgeline Open Space. This event caters to a wide range of athletes, offering various race options including a 5K, 10K, half marathon, and a 50K ultramarathon.

Families can also join in the fun with the liveBIG Family Adventure Run, featuring an obstacle course for children aged 5 to 12. All participants receive a T-shirt and finisher’s medal, and the event promotes community engagement and outdoor activity. Visit the organization's website for the most recent information.