That Dam Run Half Marathon
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That Dam Run 13.1, 10K, 5K - March 1, 2026
That Dam Run is the final event in the RunDenver Series produced by HAL Sports. It takes place at Cherry Creek State Park, at Dam Road and South Dayton Street in Colorado. The event offers road race distances along Cherry Creek Dam Road with views of Denver and the Rocky Mountains.
Event details
- Distances:
- 13.1 miles
- 10K
- 5K
The half marathon (13.1 miles) has a 3.5 hour course limit and a 16 minute per mile pace requirement. All race distances include a custom finisher medal. The event schedule includes a free kids 200-meter fun run and a post-race celebration with event and series awards. Race features listed by the organizer include a That Dam Run short sleeve shirt or tank, free event photos, refreshments, and a mascot appearance.
Advance packet pickup is offered the day before the race at Road Runner Sports, 8457 S. Yosemite St., Lone Tree, CO 80124, and packet pickup is also available on race day. The RunDenver Series supports the Colorado Gynecologic Cancer Alliance and the Fetal Health Foundation. Visit the organization's website for the most recent information.
