Summer Splash Prairie Dog Half, 10k, & 5k
Race Date
Jul 18, 2026
Location
Castle Rock, CO
The Experience
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)!
Logistics
Race Day
Saturday, July 18, 2026
Start Time
6:30 AM
Giveaway
Shirt
Start Location
5254 N Meadows Dr, Castle Rock, CO, 80109
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
Quality Score
Solid Pick5712 years running
~237 finishers a year
shrinking
8% returning runners
2 timing sources
runners from 17 states
winner 1:20:25
typical high 86°F
Race Day Weather
5-year historical avgStart (Low)
57°
Afternoon (High)
86°
Hot conditions — adjust pace expectations, prioritize hydration
0.1"
Precipitation
11 mph
Wind
50%
Humidity
Historical Finish Times
How 1,953 finishers actually crossed the line across 12 years.
Most recent
2025
Total finishers
1,953
Median time
2:12:29
Latest turnout
170
States
39
Turnout by year
2018–2025
Hover the histogram to inspect specific finish times.
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