Image

October 3-4, 2026

Sign Up Now

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, 10K and the New 5k 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, October 3
100K  - 5:30 am
50 Mile - 6:30 am
50K - 7:30 am

Sunday, October 4
Half Marathon - 7:00 am
10K - 8:00 am
5K - 8:30 am

Bib Pickup

Friday, October 2
Runners Roost - Lakewood
7978 W. Alameda, Unit A
Lakewood, CO 80226
5:00p-7:00pm

Bear Creek Lake Park

Big Soda Lake Beach
Lakewood, CO

Saturday, October 3
4:30 am - 6:30 am (100K, 50 Mile)
 6:30 am - 7:30 am (50K)

Sunday, October 4
 6:00 am - 7:00 am (Half Marathon)
7:00 am- 8:00 am (10K)
7:30 am -8:30 am (5K)

Volunteer

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

Fleet Feet Training Program


We have partnered with Fleet Feet Denver to host a training plan for the Bear Chase. More information can be found on their website

Fleet Feet Denver

Live Tracking

Follow the 2026 The Bear Chase with live split points throughout race weekend.
Aravaipa Live
Image
Register Now
Registration closes: Mon, Sep 28 @ 11:59PM MT

Race Registration

Until 2/28 Until 7/14 Until 9/28 Race Day
100K $180 $195 $210 $225
50 Mile $160 $175 $190 $205
50K $135 $145 $155 $165
13.1 Mile $95 $105 $115 $125
10K $60 $70 $80 $90
5K $40 $45 $50 $60

*Prices do not include Ultrasignup fees or taxes. 
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, October 3, 2026

Start Time | 5:30 am

Time Limit | 16 Hours (9:30pm)

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 Trail Races

Additional Race Info

Post Race

Results & Photos


Thank you to our sponsors!

Image
Image
Image