Edale, United Kingdom · Saturday, August 22, 2026

Fixed Distance 50 mi

Inferno - Edales Ring of Hell 41mi

Race completed
66 km Distance
10 m Climbing
3.3 Grit · Challenging
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53.3687° N, 1.8223° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 0 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 16 hours 14:33 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 85% of 50 mi races. Measured against 477 races of the same distance. Cut-off calculator →
Field size ~11 Tiny. You will run alone for most of it.

DUV results for the 2024 edition (41mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 19°C
Night low 11°C
Rainfall Showers likely
Daylight 14 h 25 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 176 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2024 41mi 11 Tim Brook · 08:03:00 Ariel Zorychta · 13:06:00
2022 35mi 26 Nick Jurd · 07:01:08 Sarah Polglass · 07:45:38
2021 35mi 28 Paul Collier · 06:59:07 Emily Dart · 08:59:14

The field shrank 58% between 2022 (26) and 2024 (11). 9% of the 2024 field were women.

DUV results for the 2024 edition (41mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

  • terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
  • gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

Gear for this race

Chosen for 66 km of trail with 10 m of ascent.

  • Trail Running Shoes 66 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 66 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 66 km, without the bounce.
  • Headlamps A 16 h limit puts you out there after dark.
  • GPS Watches Battery life first — a 66 km day outlasts most full-GPS modes.

New Balance

Fuel Cell Super Comp Trail

★★★★★ 4.5

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7
All gear guides →

Overview

The Inferno - Edales Ring of Hell 41mi, a 66-kilometer trail race in Edale, United Kingdom, had its latest edition in 2024. The 16-hour time limit is more generous than 85% of 50mi cut-offs, allowing a cutoff pace of 14.5 minutes per kilometer. With only 0.2 meters of climb per kilometer, this race is flatter than most.

The 41-mile distance of this event is a fixed course. The field was smaller than 87% of 50mi fields, with 11 finishers in 2024.

Similar races

Other 50 mi trail ultras, closest in distance first.