Jackson County 50-50 Ultramarathon

Brownstown, United States • 6-7 Dec 2025

The Jackson County 50-50 Ultramarathon will take place in Brownstown from Saturday 6 December 2025 to Sunday 7 December 2025. You can run between 10 and 100 kilometers. 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.
Trail runs nearby

DWD Gnaw Bone is an exciting trail running event set in the stunning terrain of Brown County, Indiana. Participants can choose from various distances, including 5K, 10K, half marathon, full marathon, 50K, and 50M, with the 10K being noted as one of the world's most challenging. The event also featur..

The Dino Trail Run at Brown County State Park is scheduled for June 7, 2025, in Nashville, Indiana. The event features a 5K and a 15K trail race through challenging terrain with hills, long climbs, and descents, primarily on mountain bike trails. The course begins with an uphill mile, followed by do..

The 8 Hours of Brown County is an annual trail running event hosted by the Indiana Trail Running Association at Brown County State Park. Scheduled for June 13-14, 2025, participants can choose between a run-only option or a run with camping. The course features an 8-mile loop with significant elevat..

The DINO Trail Run at Muscatatuck Park is an exciting outdoor event scheduled for July 12, 2025, in North Vernon, Indiana. Participants can choose from a 5k Trail Run, a 15k Trail Run, or a Kids Race, making it a family-friendly occasion. The park features a scenic trail system that offers stunning..

The Sorta Mountain Stage Race, held in Borden, Indiana, offers a variety of trail running distances, including a 50K, half marathon, 18-mile, and 5-mile course. The race takes place on the rugged Knobstone Trail, featuring steep elevation changes, rocky terrain, and scenic views from Round Top Knob...

The Tecumseh Trail Challenge is an annual trail running festival held in Nashville, Indiana, at Yellowwood State Forest. Scheduled for October 18, 2025, the event features multiple race distances, including 8 miles, half marathon (13.1 miles), marathon (26.2 miles), 50K, and a 50K relay for teams of..