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Jackson County 50-50 Ultramarathon

Brownstown, United States • 6 Dec 2025

The Jackson County 50-50 Ultramarathon is a challenging trail running event held at Pyoca Camp and Retreat Center in Brownstown, Indiana. It offers multiple distances including a 10-mile run, 50k, 100k, and a 100k relay for teams of 2 to 6 runners. The course features rugged terrain with steep topography, rewarding runners with scenic vistas around two lakes and the highest point in Jackson County within the Jackson-Washington State Forest.

The race alternates direction annually, with 2025 running counterclockwise. Amenities include well-stocked aid stations, indoor heated facilities for drop bags, post-race food, and finisher awards such as medals and a unique belt buckle for 100k finishers. The event also serves as a Western States 100k qualifier. Visit the organization's website for the most recent information.

United States Indiana Brownstown

Race information

Website
100 km
100k
100 km
100k Relay 2-6 Person Team
50 km
50k
10 mi
10 Mile
Visit the organization's website for the most recent information.
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