Black Bear 100k

Mulberry, United States • 5 Apr 2025

The Black Bear 100K is a challenging ultramarathon taking place on April 5, 2025, at Shores Lake Recreation Area in Mulberry, Arkansas. This out-and-back race features a demanding course with 16,000 feet of elevation gain along the Ozark Highlands Trail, making it one of the toughest 100K events in the country. Participants have 20 hours to complete the race, with essential aid stations providing food and hydration. The event encourages camaraderie with bonfires, camping, and refreshments at the start/finish area. Registration closes on March 25, 2025, and rollover options are available for those unable to attend. Visit the organization's website for the most recent information.

Race information

100 km
16000 m+
100k
Visit the organization's website for the most recent information.
Trail runs nearby

The 36 Hours of White Rock will take place in Winslow on Friday 24 October 2025. You can run 100 miles.