Summer Splash Prairie Dog Half, 10k, & 5k

Sat, Jul 18, 2026, 6:30 AM MDT

Location: Castle Rock, CO; 5254 N Meadows Dr, Castle VIEW HIGH SCHOOL, 80109
Type: RUN

Vibe analysis coming soon

Course feel, difficulty, and community fit are being added to this listing. Check back, and always confirm details on the official registration page.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

5K
Sat, Jul 18, 7:00 AM MDT · From $25.00
Opens Jul 31, 2025, 8:00 PM MDT · Closes Aug 31, 2025, 7:59 PM MDT
10K
Sat, Jul 18, 7:00 AM MDT · From $35.00
Opens Jul 31, 2025, 8:01 PM MDT · Closes Aug 31, 2025, 7:59 PM MDT
13.1 Miles
Sat, Jul 18, 6:30 AM MDT · From $65.00
Opens Jul 31, 2025, 8:00 PM MDT · Closes Aug 31, 2025, 7:59 PM MDT

Vibe Check

Push Potential

long distance + warm-day exposure

Warm season
High altitude

Based on terrain, weather, and distance data.

The course

From the organizer

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)!

Also in this area

Easier options nearby

Lower-difficulty races in the same state.