Berryman 50 Mile and Marathon Trail Races

Potosi, United States • 16 May 2026

The Berryman 50 Mile and Marathon Trail Races take place annually at Berryman Campground in the Mark Twain National Forest, Missouri, between Steelville and Potosi. The event features two distances: a 50-mile ultra and a marathon, both run on the scenic, hilly Berryman Trail, a 26.4-mile single-track loop with rugged terrain, rocks, roots, and stream crossings. The marathon covers one loop, while the 50-mile race covers two.

Aid stations are spaced every 5-6 miles, offering hydration and snacks. The race emphasizes environmental care with a cupless policy. Post-race festivities include a BBQ, and camping options are available nearby.

The event is organized by the Saint Louis Ultrarunners Group. Visit the organization's website for the most recent information.

Race information

50 mi
50 Mile
26 mi
2500 m+
Marathon (26.4 Miles)
Visit the organization's website for the most recent information.
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