Running
5K
5 km
Start: Aug 3, 04:35 AM
Reece's Roundup
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Trail in United States, Castle Rock
Distances
Walking
1 Mile Walk
1.6 km
Start: Aug 4, 05:45 AM
About
The 21st Annual Reece’s Roundup Trail Run is a 5K and 1‑mile walk on the Philip S. Miller Trail System in Castle Rock, Colorado, supporting Reece Rubino’s fight against Spinal Muscular Atrophy. The event includes race registration, award ceremony, and community festivities.
Catering & aid stations
Not specified; typically on-course food and drink at aid stations.
Pacers
Pacers will be present for the 5K and 1 Mile Walk, aligned with the published start waves and designated pacer flags on the course.
Results
View official resultsTypical weather in Castle Rock
Monthly averages based on historical data (2000–present).
Jan39°14°
↑ 07:19
↓ 17:00
Feb41°14°
↑ 06:53
↓ 17:36
Mar49°23°
↑ 07:11
↓ 19:07
Apr57°30°
↑ 06:22
↓ 19:38
May66°40°
↑ 05:46
↓ 20:07
Jun79°51°
↑ 05:33
↓ 20:29
Jul84°57°
↑ 05:46
↓ 20:26
Aug82°56°
↑ 06:14
↓ 19:56
Sep76°49°
↑ 06:42
↓ 19:09
Oct63°36°
↑ 07:10
↓ 18:21
Nov50°24°
↑ 06:45
↓ 16:45
Dec41°16°
↑ 07:13
↓ 16:38
Last updated: Jun 5, 2026, 11:52:10 PM
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