Image

September 27-28, 2025

Sign Up Now
https://www.aravaiparunning.com/bear-chase-series/

The Bear Chase

100K | 50 Mile | 50K
Half Marathon | 10K | 5K

Bear Creek Lake Park
Lakewood, CO

The Bear Chase Race Endurance Festival is a 100K, 50 Mile, 50K, Half Marathon and the Baby Bear 10K trail race at beautiful Bear Creek Lake Park, in Lakewood, CO.

An excellent race for first time trail and ultramarathoners, runners will experience a variety of challenging terrain and sweeping panoramic views throughout the race. The course is pretty fast (by trail/ultra standards), and not overly technical.

*Distances may vary slightly each year due to permitting.

Start Times

Saturday, September 27
100K  - 5:30 am
50 Mile - 6:30 am
50K - 7:30 am

Sunday, September 28
Half Marathon - 7:00 am
10K - 8:00 am
5K - 8:30 am

Bib Pickup

Breckenridge Brewery
2920 Brewery Ln
Littleton, CO
Thursday, September 25
5:00 pm - 8:00 pm

Bear Creek Lake Park
Lakewood, CO
Saturday, September 27
4:30 am - 6:30 am (100K, 50 Mile)
 6:30 am - 7:30 am (50K)
Sunday, September 28
 6:00 am - 7:00 am (Half Marathon)
7:00 am- 8:00 am (10K)

Volunteer

We need help to make The Bear Chase possible. Volunteer perks include Aravaipa race credits and race swag!
Volunteer Now

Post-Race

All runners will receive a finisher’s medal to commemorate their accomplishment, suitable for wearing to work or on the light rail.

Special awards will be given for top finishers and age group awards.

Live Tracking

Follow the 2024 The Bear Chase with live split points throughout race weekend.
Aravaipa Live
Image
Register Now

Registration closes: Mon, Sep 22 @ 11:59PM MT

Race Registration

 

EARLY BIRD
(Until 4/30)

REGULAR
(Until 7/31)
LATE
(Until 9/23)
WEEK OF
(Race Day)
100K $180 $195 $210 $225
50 Mile $160 $175 $190 $205
50K $135 $145 $155 $165
13.1 Mile $95 $110 $125 $135
10K $60 $70 $80 $90

*A portion of every registration goes to the City of Lakewood and Bear Creek Lake Park to help fund open space preservation projects.

Withdrawal Policy

Course Information

Image

Key Stats

Date | Saturday, September 27, 2025

Start Time | 5:30 am

Time Limit | 16 Hours

Distance | 62.2 Miles

Total Elevation Gain | 4,336 feet

Max Elevation | 5,798 feet

Women's Course Record | 8:26:37 - Cory Logsdon (2018)

Men's Course Record | 8:40:45 - Kaci Lickteig (2014)

Course Map
CalTopo Course  Map

100K Event Details

All About The Bear Chase Race with Race Director, David Manthey

Additional Race Info

Post Race

Results & Photos


Thank you to our sponsors!

Image
Image
Image
Image
Image
Image
Image