Summer Splash Prairie Dog Half
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Event
The Summer Splash Prairie Dog race takes place on July 18, 2026 in Castle Rock, Colorado. The event offers the following distances:
- Half Marathon
- 10k
- 5k
Entry fees listed for the event are $75 for the half marathon, $45 for the 10k, and $35 for the 5k. The race is part of the Prairie Dog Half series and the course follows the East Plum Creek Trail.
Location and race services
The event location is listed as Castle View High School, 5254 N Meadows Dr, Castle Rock, CO 80109. Each registrant receives a race day shirt, a finisher's pint glass, chip timing, free photo downloads, and free GPS tracking for friends and family. Participants in the half marathon receive a finisher's medal. A gender-specific performance shirt is offered and available sizes are noted during registration; some sizes may sell out before the event.
The race names Backpack Society as its charity partner and notes a race-day in-kind donation gathering; bringing five or more items enters the donor into the race-day raffle. Preferred donation items include cereal and granola bars, peanut butter and jelly, family-sized box crackers, canned tuna or chicken, pasta sauce, and pasta. The event also partners with Sneakers4Good for athletic shoe donations, which support the organizer's ongoing charity partner. Visit the organization's website for the most recent information.