Races
Chester Ultra 100
England, April. 100 mi on 70% trail. +12,730 ft of climbing. 32 hours cutoff.
- Start89 ft
- High556 ft
- Low10 ft
- Finish89 ft
- England at mile 0.0
- Chester Ultra 100 mile 20 at mile 20, cutoff 6.4 hours
- Chester Ultra 100 mile 40 at mile 40, cutoff 12.8 hours
- Chester Ultra 100 mile 61 at mile 61, cutoff 19.2 hours
- Chester Ultra 100 mile 81 at mile 81, cutoff 25.6 hours
- Finish England at mile 101, cutoff 32 hours
Geometrycourse math
The cruxMoorland bogs, steep fells, and night navigation on unmarked paths (near mile 65)
Course DNA
The Course
Chester Ultra 100 runs 100 mi through England. Surfaces skew 70% trail / 20% path / 10% road. Moorland bogs, steep fells, and night navigation on unmarked paths. High point near 574 ft. Low near 10 ft. April temps run 40°F to 70°F. The course rewards patience early and punishes rushed descents after mile 50.
The Work
Train for the climbing across 100 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 32 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
April in England: plan for 40°F to 70°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 32 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.
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