Valentine's Day Run
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RunDenver Series overview
The RunDenver Series is a multi-event winter running series in Colorado produced by HAL Sports. It has operated for over three decades and includes five events held between December and March. Distances in the series include:
- 5K
- 4 Mile
- 13.1, 10K, 5K
The series supports charity partners Colorado Gynecologic Cancer Alliance and the Fetal Health Foundation.
Events and features
Each event lists a date and location: Rudolph Ramble on December 7, 2025 at City Park; Polar Bear 5K on January 18, 2026 at Washington Park; Super Bowl 5K on February 1, 2026 at Washington Park; Valentine’s Day 4 Mile on February 8, 2026 at Washington Park; That Dam Run (13.1, 10K, 5K) on March 1, 2026 at Cherry Creek Dam Road. Common on-course and post-race features include a roughly 200 meter kids fun run at every event, free event photos, and custom finisher medals. Individual events list additional items such as event-themed swag, costume contests, mascots or character appearances, kids fun runs, and post-race celebrations with series awards. Advance packet pickup for the Valentine’s Day 4 Mile is offered at Road Runner Sports in Lone Tree. Registration categories shown for the Valentine’s Day 4 Mile include Adult, Youth (17 & under), Senior (60 & over), and a Virtual option. Volunteers may earn a free entry toward a future HAL Sports event. Visit the organization's website for the most recent information.