The Bear Chase
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The Bear Chase : October 4-5, 2025
The Bear Chase Trail Race takes place at Bear Creek Lake Park in Lakewood, Colorado on October 4-5, 2025. The event includes multiple trail distances over a two-day festival format. Runners should expect varied trail terrain with panoramic views at the park. Registration details and volunteer opportunities are managed by the organizer; a portion of registration fees supports park open space and trails.
Course, distances and logistics
- 100K - 62.2 miles, approx. 4,250 ft elevation gain
- 50 Mile - 50.0 miles, approx. 3,400 ft elevation gain
- 50K - 31.1 miles, approx. 1,930 ft elevation gain
- Half Marathon - 13.1 miles, approx. 900 ft elevation gain
- 10K - 6.1 miles, approx. 230 ft elevation gain
- 5K - 3.1 miles, approx. 127 ft elevation gain
Most of the courses are run on dirt and single-track trails. Aid stations are positioned around the loops and typically offer water, Tailwind endurance fuel, soda, sweet and salty snacks, fruit, and basic station facilities such as porta potties. Drop bags and crew assistance are allowed only at the Start/Finish area. Pacers are permitted for the 100K and 50M under organizer rules (one pacer at a time; pacers must check in and begin pacing from Start/Finish); pacers are not allowed for shorter distances. Runners receive complementary park entry before the race; crew and spectators entering after the race begins require a Daily or Annual Park Pass. Medical support is provided from the main tent at Start/Finish and basic supplies are available at aid stations. Visit the organization's website for the most recent information.