Course
Run on rugged trails in the Jackson-Washington State Forest outside Brownstown, with all distances starting and finishing at the forest. The 100K can be run solo or as a 2-6 person relay. Aid stations are well stocked and the 100K carries live tracking.
Key dates
- !RegistrationOpen now
- ★Race daySat 5 Dec 2026
About
Jackson County Ultras is a trail ultramarathon held in Jackson-Washington State Forest near Brownstown, Indiana. The 50K and 100K distances cross the forest's steep, knob-studded terrain, among the hilliest trail running in the state.
Save Jackson County Ultras to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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The HUFF 50K Trail Run and Relay
December ultra looping Chain O'Lakes State Park
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Winter Night Trail Run
A trail race run through darkness by headlamp
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DINO Trail Run Mounds State Park
Trail run past ancient earthworks at Mounds State Park
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.