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36 Hours of Black Bear

Winslow, United States • 6 Dec 2025

The 36 Hours of Black Bear is a trail running event held at Shores Lake Recreation Area near Winslow, Arkansas. It features a challenging loop course on the Ozark Highlands Trail's Shores Lake/White Rock spur, with each loop covering approximately 15 miles and over 3,500 feet of elevation gain. Participants can run multiple loops over 36 hours, with the potential to cover up to 120 miles and 28,000 feet of elevation gain.

The course alternates direction each loop and includes day and night running with specific route variations. The event offers a friendly atmosphere with bonfires, camping, food, and beverages at the start/finish area. It is a donation-based fun run limited to 50 runners. Visit the organization's website for the most recent information.

United States Arkansas Winslow

Race information

Website Registration
36 km
36 Hours
15 mi
3500 m+
15 Miler
Visit the organization's website for the most recent information.
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