Embark on an unforgettable trail adventure at The Bear Chase, held on October 4, 2026, in the stunning Bear Creek Lake Park in Lakewood, CO. This acclaimed endurance festival offers a diverse range of distances including 100K, 50M, 50K, and a Half Marathon, catering to both seasoned ultramarathoners and those looking to tackle their first trail race. Runners will traverse a scenic course, celebrated as "not overly technical" and "pretty fast" by trail standards, featuring over 95% dirt and singletrack trails that wind through a beautiful mix of trees and prairie grass. Expect rolling hills with some challenging climbs, multiple refreshing creek crossings, and panoramic views of the 2,600-acre park and the distant Rocky Mountains. Elevation gains range from approximately 900 feet for the Half Marathon to over 4,250 feet for the 100K, offering a significant but manageable challenge.

The Bear Chase is renowned for its exceptional organization and vibrant atmosphere, consistently praised by runners as a "well-oiled machine." Aid stations are strategically placed around the loop course, generously stocked with water, Tailwind, soda, various gels, chews, waffles, sweet and salty snacks, fruits, PB&J, and even hot options like ramen and broth for longer distances. Proactive and supportive volunteers are a highlight, ensuring every runner feels cared for on the course. As a cup-free race, participants are encouraged to carry their own hydration systems, minimizing environmental impact. The start and finish lines at Big Soda Lake Beach serve as central hubs for drop bags and crew support, fostering a strong community spirit.

Beyond the challenge, The Bear Chase stands out for its commitment to the running community and local environment; a portion of every registration supports Lakewood's open spaces and partner charities. Runners consistently rave about the inclusive finish line experience, where food and beverages, including celebratory beer, remain available for the very last finishers. With typical race day conditions boasting highs around 70°F and lows around 38°F, and only a 6% chance of precipitation, October 4, 2026, promises ideal weather for hitting the trails and chasing your next personal best at this beloved Colorado event.