1 event in Castle Rock, Colorado

From big races to Saturday morning group runs—find trail running events and connect with the local endurance sports community.

• Summer Splash Prairie Dog Half, 10k, & 5k [runsignup.com]
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  Sat, Jul 18, 2026 at 6:30 AM

  Description

  Welcome to the Summer Splash Prairie Dog Half, 10k & 5k in Castle Rock, Colorado. Part of the Prairie Dog Half race series, join us in July as we race through Castle Rock along the East Plum Creek Trail.

  For all race info, click the "race info" tap (or the links at the bottom)!

  5k 10k 13.1 Miles Run Trail

  5254 N Meadows Dr, Castle Rock, Colorado, 80109, United States
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