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

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Elevation Gain

369'

Elevation Loss

364'

Max Elevation

6,254'

Also Offers

10K5K

Course Map

1 other map for this race

Historical Performance

Median Finish

2:12:30

10:07/mi

Winning Time

1:20:26

6:08/mi

Finishers (2025)

170

States Represented

17 / 50

Gender Split

50% Female50% Male

Finish Time Distribution

1:302:40

FASTER 25%

1:55:44

MEDIAN

2:12:30

SLOWER 25%

2:38:43

Average runner age: 37

See Full Results

Race Day Weather

5-year historical avg

Start (Low)

57°

Afternoon (High)

86°

Hot conditions — adjust pace expectations, prioritize hydration

0.1"

Precipitation

11 mph

Wind

50%

Humidity

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