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The Bear Chase

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

The Bear Chase Race Endurance Festival is a trail running event held at Bear Creek Lake Park in Lakewood, Colorado. It offers multiple distances including 100K, 50 Mile, 50K, Half Marathon, 10K (Baby Bear), and 5K, catering especially to first-time ultramarathoners and trail runners. The course features mostly dirt and single-track trails with challenging terrain and panoramic views, yet remains relatively fast and not overly technical. Elevation gains vary by distance, from about 230 feet for the 10K to over 4,200 feet for the 100K. The event supports local open space preservation and provides a scenic, well-supported race experience. Visit the organization's website for the most recent information.

United States Colorado Bear Creek Lake Park

Race information

Website Registration
100 km
1295 m+
100k
50 mi
3400 m+
50 Mile
50 km
1930 m+
50k
21 km
900 m+
Half Marathon
10 km
230 m+
10k
Visit the organization's website for the most recent information.
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