Bear Chase 100K Course Profile

Lakewood, CO, Colorado

• Distance: 62 miles
• Elevation Gain: 6,500 ft
• Elevation Loss: 6,500 ft
• High Point: 6,300 ft
• Low Point: 5,600 ft
• Time Limit: 17 hours
• Month: September
• Finisher Rate: ~75%

Bear Creek Lake Park. A fast and runnable Colorado 100K on trails through Bear Creek Lake Park near Denver. Looped course with moderate elevation and scenic lakeside running.

Aid Stations

Name	Mile	Elevation	Crew Access	Drop Bag	Cutoff
Bear Creek Dam	10	5,800 ft	Yes	Yes	—
Lakeside	22	6,000 ft	No	Yes	—
Mt. Carbon	35	6,200 ft	Yes	Yes	—
South Shore	50	5,900 ft	Yes	No	—

Course Segments

Segment	Miles	Terrain	Difficulty	Notes
Start to Bear Creek Dam	0–10	rolling	easy	Easy rolling trails. Find your pace.
Bear Creek Dam to Lakeside	10–22	rolling	moderate	Gentle climbs around the lake.
Lakeside to Mt. Carbon	22–35	rolling	moderate	Highest section. Enjoy the views.
Mt. Carbon to Finish	35–62	rolling	moderate	Final loops. Stay consistent.

View the full interactive elevation profile, 3D course flyover, and race strategy tools on HARDN.