Celebrate the new year in penguin style!
All-Out Polar Prowl
January 10, 2026 9a
Stenger Sports Complex, Arvada, CO
Half Marathon
VIRTUAL Half Marathon
VIRTUAL 10K
VIRTUAL 5K
Get ready to kick off your athletic year at the 13th annual Polar Prowl on Saturday, January 10, 2026! Hosted by All-Out at the Stenger Sports Complex in Arvada, CO, this is Denver's first half marathon of the year and an official BOLDERBoulder qualifying event! Choose your challenge between a 5K, 10K, or Half Marathon and enjoy a relatively flat course that meanders on the Van Bibber Creek Trail, offering breathtaking views of Arvada's open spaces and Table Mountain. This course is super spectator-friendly and you have a good chance for a personal record! Don't forget to dress up for our penguin costume contest with exciting prizes from our beneficiary, Penguins International!
Location
An official BOLDERBoulder qualifying event!
We are thrilled to announce that Polar PRowl has been designated as an official BOLDERBoulder Qualifier event! You can use your finishing time from any distance of this race to qualify for one of the 2026 BOLDERBoulder's qualified waves. For more details on the BB10K qualifying waves, please visit this link.
Benefiting Charity
Did you know that 9 out of 18 penguin species are threatened with extinction? Penguins International is a Denver-based 501(c)3 non-profit committed to protecting penguins to protect the planet. Ongoing projects include supporting Endangered African Penguins in South Africa through an incubator project, building nest boxes in South America for Humboldt Penguins, and funding Emperor Penguin research using SPLASH GPS tracking tags. Take comfort in knowing your donation to Penguins International supports penguin conservation, education, and research initiatives.