Jackson County 50-50 Ultramarathon

Brownstown, United States • 6 Dec 2025

The Jackson County 50-50 Ultramarathon, held in Brownstown, Indiana at the Pyoca Camp and Retreat Center, offers challenging trail races including 10-mile, 50k, 100k, and a 100k relay. 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 yearly, with 2025 running counterclockwise. Amenities include well-stocked aid stations, indoor heated facilities for drop bags, post-race food, and finisher medals or belt buckles. The event is a Western States 100k qualifier and emphasizes community with volunteer opportunities and team relay options. Visit the organization's website for the most recent information.

Race information

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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