In 305 days · Sat, Jul 17, 2027
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Saturday, July 17th, 2027
5254 N Meadows Dr, Castle Rock CO
Half · 10K · 5K
58–87°F · low rain risk
See last 10 years
On this date: rain 1 of the last 11 years
2026
60–88°F
dry
2025
57–82°F
dry
2024
55–83°F
rain
2023
52–93°F
dry
2022
58–93°F
dry
2021
57–87°F
dry
2020
63–88°F
dry
2019
66–89°F
dry
2018
58–83°F
dry
2017
58–86°F
dry
2016
59–86°F
dry
Best months to race in Colorado →
About this race
Event Overview
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.
Date and Location
- Date: July 17, 2027
- Location: 5254 N Meadows Dr, Castle Rock, CO
Additional Information
- Race Info: For all race info, click the "race info" tap (or the links at the bottom)!
- Registration: Get your spot by visiting the official race page.
- Race Series: This event is part of the Prairie Dog Half race series.
- Trail: Runners will enjoy the scenic East Plum Creek Trail.
More Details
- Website: Prairie Dog Half Race
Course map
Hotels for race weekend
Live prices near the start line, Jul 16 – 18, 2027.
Train with a club
Run clubs near Castle Rock to train with before race day.
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