Arctic Prairie Dog 10k & 5k

Experience an exhilarating start to 2026 at the Arctic Prairie Dog 10k & 5k in Louisville, Boulder on January 18th. This vibrant event, part of the Prairie Dog Race Series, is a perfect way to celebrate Martin Luther King Jr. weekend. Runners of all levels will enjoy winding through picturesque back roads, bike paths, and gravel trails with stunning views of the Front Range. Registered racers will benefit from chip timing, free photo downloads, gender-specific shirts, and finisher's pint glass and medal for half marathon participants. Join us for a memorable race day filled with community spirit and outdoor adventure – mark your calendars now!