Ultra Running Hub Upper Black Eddy, PA, United States · Saturday, October 10, 2026
MuleSkinner Endurance 50 Mile Race
Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.
What the course asks
DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Regional 2001-2020 average for October — NASA POWER, grid elevation 124 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 80 km of trail.
- Trail Running Shoes80 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition80 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 80 km, without the bounce.
- Headlamps80 km almost certainly means running into the night.
- GPS WatchesBattery life first — a 80 km day outlasts most full-GPS modes.
Course Notes
The races are all a single loop course and all start in Tinicum Park Erwina, PA. and follow the gravel towpath south, crossing over the Delaware river at different bridges into New Jersey and then following the Raritan Canal towpath north in NJ.....
Similar races
Other 50 mi trail ultras, closest in distance first.