Upper Black Eddy, PA, United States · Saturday, October 10, 2026

Fixed Distance 50K

MuleSkinner Endurance 50 km Race

24 days to go

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

40.5654° N, 75.0996° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~29 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 18°C

Night low 7°C

Rainfall Showers likely

Daylight 11 h 25 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 124 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition50 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 50 km, without the bounce.
GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Adidas

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

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 50K trail ultras, closest in distance first.