Reece's Roundup
Castle Rock, United States • 8 Aug 2026
Reece's Roundup : Trail Run
Reece's Roundup is the 21st annual trail event held at Philip S. Miller Park in Castle Rock, Colorado. The event takes place on the Philip S. Miller Trail System and presents a community fundraising effort to support ongoing care needs for a local family affected by spinal muscular atrophy.
The event format includes trail running and a community walk. Race day programming includes on-site registration, the 5K run, a 1 Mile walk, an award ceremony, and a special musical performance by the event honoree. Advance packet pick-up is not available this year.
Entry pricing is listed by distance and age category:
- 5K trail run
- 1 Mile walk
Entry fees are set at $45 for the 5K and $40 for the 1 Mile walk for all ages. Sponsorship opportunities are offered at bronze, silver, and gold levels with specified donation ranges and benefits for each level; sponsors with qualifying donations can have logos printed on race day shirts. The deadline to submit a logo for t-shirt printing is July 14. All registrations are non-refundable and event proceeds are directed to a benefit fund established to support the family in their fight against spinal muscular atrophy. Visit the organization's website for the most recent information.