Summer Splash Prairie Dog Half

The Summer Splash Prairie Dog Half, 10k, & 5k is a running event held in Castle Rock, Colorado, along the scenic East Plum Creek Trail. Scheduled for July 19, 2025, it offers three race distances: a half marathon, 10k, and 5k, catering to various fitness levels. Participants receive a race day shirt, finisher's pint glass, chip timing, free photo downloads, and GPS tracking for supporters.

Half marathon finishers also earn a medal. The event supports local charity Backpack Society, encouraging donations of food items to aid youth in Douglas County. The race is an official qualifier for the BolderBoulder and promotes community engagement and fitness in a welcoming atmosphere. Visit the organization's website for the most recent information.