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The Bear Chase

Bear Creek Lake Park, United States • 4-5 Oct 2025

The Bear Chase Race is an endurance trail running festival held at Bear Creek Lake Park in Lakewood, Colorado. It offers multiple race distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K, catering to both first-time ultramarathoners and experienced trail runners. The course features mostly soft dirt and single-track trails with varied but not overly technical terrain, providing challenging climbs and sweeping panoramic views.

Elevation gains range from about 230 feet for the 10K to over 4,000 feet for the 100K. The event emphasizes environmental respect and supports local open space preservation. Runners receive finisher medals and aid stations provide hydration and snacks along the course. Visit the organization's website for the most recent information.

United States Colorado Bear Creek Lake Park

Race information

Website
100 km
4336 m+
100k
50 mi
3470 m+
50 Mile
50 km
2036 m+
50k
13 mi
887 m+
Half Marathon
10 km
311 m+
10k
5 km
127 m+
Visit the organization's website for the most recent information.
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