Summer Splash Prairie Dog Half, 10k, & 5k
Sat, Jul 17, 2027 · in 9 months Castle Rock, CO
Half marathon10K5K
Race website & registration Your chances
Where would you finish?
Enter your race pace or connect Strava, and raceIQ compares you with this race's past finishers in your age group and gender.
See your predicted place7th
of ~140
Age group
Finish times
From the 2026 results.
| Distance | Finishers | Winner | Top 5% | Top 25% | Median |
|---|---|---|---|---|---|
| Half marathon | 158 | 1:14:41 | 1:33:07 | 1:55:51 | 2:10:08 |
| 10K | 72 | 38:52 | 46:26 | 56:29 | 1:05:02 |
| 5K | 98 | 20:09 | 25:40 | 28:32 | 33:39 |
Field strength
5KLocal
Faster up front than 34% of the 5K races we track, based on 331 finishers over 3 editions.
10KLocal
Faster up front than 50% of the 10K races we track, based on 288 finishers over 3 editions.
Half marathonLocal
Faster up front than 56% of the half marathon races we track, based on 466 finishers over 3 editions.
Finishers by year
| Year | 10K | Half marathon | 5K |
|---|---|---|---|
| 2026 | 72 | 158 | 98 |
| 2025 | 122 | 170 | 136 |
| 2024 | 94 | 138 | 97 |
| 2023 | 58 | 120 | 102 |
| 2022 | 72 | 155 | 81 |
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