Polar Bear 5K
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RunDenver Series
The RunDenver Series is a multi-event running series in Colorado produced by HAL Sports. It has operated for more than three decades and consists of five winter events held in Denver and nearby areas. The series events and dates listed are Rudolph Ramble 5K (December 7, 2025), Polar Bear 5K (January 18, 2026), SuperBowl 5K (February 1, 2026), Valentine’s Day 4 Mile (February 8, 2026), and That Dam Run (March 1, 2026).
That Dam Run offers multiple distance options:
- 13.1
- 10K
- 5K
The series supports local charities including the Colorado Gynecologic Cancer Alliance and the Fetal Health Foundation.
Polar Bear 5K
The Polar Bear 5K is part of the RunDenver Series and is staged in the Washington Park area, listed at South Franklin Street and East Mississippi Avenue, Denver. Event features include a long-sleeve participant shirt, free race photos, finish-line refreshments, a custom finisher medal, and a special appearance by the mascot Polie the Polar Bear. A free kids fun run of approximately 200 meters is offered for children aged 8 and under.
Advance packet pickup is available at Road Runner Sports in Lone Tree on the day before the event, and race day packet pickup is available near the start line. Registration pricing shown in the event information is: Adult $43.72, Youth (17 & under) $38.37, Seniors (60+) $38.37, and a Virtual option $43.72. Sponsors listed include BADASS COFFEE and Road Runner Sports. Visit the organization's website for the most recent information.