Polar Prowl
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Event overview
The All-Out Polar Prowl takes place on January 10, 2026, at Stenger Sports Complex in Arvada, Colorado. It is the 13th annual running of the event and includes both in-person and virtual race options.
Distances offered:
- Half Marathon
- 10K
- 5K
- VIRTUAL Half Marathon
- VIRTUAL 10K
- VIRTUAL 5K
The event is designated as an official BOLDERBoulder qualifier.
Course and charity
In-person courses run along the Van Bibber Creek Trail and pass Arvada open spaces and Table Mountain. The courses are described as relatively flat. The event includes a penguin costume contest with prizes provided by Penguins International.
The race benefits Penguins International, a Denver-based 501(c)(3) nonprofit. The organization supports penguin conservation projects such as incubator work for Endangered African Penguins, nest box building for Humboldt Penguins, and Emperor Penguin research using GPS tracking tags. Visit the organization's website for the most recent information.