Races

Worlds End

PennsylvaniaJune

Pennsylvania Loyalsock Trail. Worlds End hundred k. Nine thousand feet. Gorge and ridge.

62 mi+19,075 ft-19,062 ft19 hours856 ft to 2,031 fttech 5/106 stationsLoyalsock TrailWSER qualifierJune
Distance62 mi
Gain+19,075 ft
Loss-19,062 ft
Altitude856 ft to 2,031 ft
Technicality5/10
Air45°F to 85°F
Gradient profileCalTopo course map
  • Start1,155 ft
  • High2,020 ft
  • Low912 ft
  • Finish1,168 ft
Aid stations6 stops verified
  1. Pennsylvania at mile 0.0
  2. Worlds End mile 12 at mile 12, cutoff 3.8000000000000003 hours
  3. Worlds End mile 25 at mile 25, cutoff 7.6000000000000005 hours
  4. Worlds End mile 37 at mile 37, cutoff 11.4 hours
  5. Worlds End mile 50 at mile 50, cutoff 15.200000000000001 hours
  6. Finish Pennsylvania at mile 62, cutoff 19 hours

Geometrycourse math

Steepest drop833 ft-8.5% over 1.9 mi
Night miles16 misunset near 19:00 local

The cruxWorlds End State Park gorge climbs (near mile 40)

Course DNA

The Course

Worlds End runs 100 km through Pennsylvania. +19,075 ft gain and -19,062 ft loss. Surfaces skew 80% trail / 20% dirt road. Worlds End State Park gorge climbs. High point near 2,031 ft. Low near 856 ft. June temps run 45°F to 85°F. The course rewards patience early and punishes rushed descents after mile 31.

The Work

Train for 19,075 feet of climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 19 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 5/10. Build a block that simulates the crux near mile 40.

Kit

June in Pennsylvania: plan for 45°F to 85°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 19 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 80% trail: lugs for mud, rock plate if the course turns technical after mile 31.

Race Day

Hold effort through mile 16. The field often splits on the first big climb after mile 31. Worlds End State Park gorge climbs near mile 40 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 21 miles of fatigue management. Finish with reserve for the last descent.

Worlds End