Races

South Downs Way

EnglandJune

Winchester to Eastbourne. Chalk ridges. June sun. One hundred miles of rolling escarpment.

100 mi+636 ft-600 ft30 hours43 ft to 115 fttech 5/10Checkpoints per race bookWSER qualifierJune
Distance100 mi
Gain+636 ft
Loss-600 ft
Altitude43 ft to 115 ft
Technicality5/10
Air40°F to 70°F
Gradient profileOfficial race GPX
  • Start43 ft
  • High115 ft
  • Low43 ft
  • Finish79 ft

Geometryderived

Steepest drop43 ft-0.4% over 2.1 mi
Night miles33 misunset near 19:00 local

The cruxMoorland bogs, steep fells, and night navigation on unmarked paths (near mile 65)

Course DNA

The Course

South Downs Way runs 100 mi through England. +636 ft gain and -600 ft loss. Surfaces skew 70% trail / 20% path / 10% road. Moorland bogs, steep fells, and night navigation on unmarked paths. High point near 115 ft. Low near 43 ft. June temps run 40°F to 70°F. The course rewards patience early and punishes rushed descents after mile 50.

The Work

Train for 636 feet of climbing across 100 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 30 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 65.

Kit

June in England: plan for 40°F to 70°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 30 hours pushes past dark. Poles help on sustained climbs above mile 25. Vest capacity for 2 liters minimum. Shoes matched to 70% trail: lugs for mud, rock plate if the course turns technical after mile 50.

Race Day

Hold effort through mile 25. The field often splits on the first big climb after mile 50. Moorland bogs, steep fells, and night navigation on unmarked paths near mile 65 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 33 miles of fatigue management. Finish with reserve for the last descent.

South Downs Way