Ultra Running Hub Tennessee, United States · Date TBA
100 mi
Barkley Marathons
161 km Distance
not publishedn/a Climbing
8.1 est Grit · Hardcore
Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.
The Aid Station
Course-specific beta from the community
With mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 161 km of mountain.
- Trail Running ShoesMountain terrain — grip and rock protection before cushioning.
- Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking PolesSustained mountain climbing.
- Headlamps161 km almost certainly means running into the night.
About
The most mysterious and brutal ultra, with no marked trail and a roughly 1% finish rate.
Highlights
- ~1% finish rate
- No marked course
- Entry by essay/application