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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

Post-Race

Live Tracking

Follow the 2026 The Bear Chase with live split points throughout race weekend.
Aravaipa Live
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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

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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!

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