Falmer, United Kingdom · Saturday, May 23, 2026

Fixed Distance 50K

South Downs 50 km

Race completed

50 km Distance

3,600 m Climbing

7.9 Grit · Hardcore

50.8628° N, 0.0771° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 72 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 11 hours 13:12 min/km average. Comfortable. Sustained running. Long aid-station stops will cost you. More forgiving than 64% of 50K races. Measured against 1058 races of the same distance. Cut-off calculator →

Field size ~188 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 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, May

Daytime high 16°C

Night low 8°C

Rainfall Mostly dry

Daylight 15 h 51 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 55 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	188	Joseph Turner · 04:00:34	Clare Vinson · 05:32:41
2025	50km	212	Joseph Turner · 03:36:00	Sarah Webster · 03:57:26
2024	50km	216	Daniel Osborn-Nash · 03:20:26	Rebecca Bunting · 04:00:00
2023	50km	170	James Turner · 03:21:23	Lizzie Keep · 04:16:13
2022	50km	129	Jack Oates · 03:48:30	Sarah Lawrence · 04:56:05

The field shrank 11% between 2025 (212) and 2026 (188). 29% of the 2026 field were women.

DUV results for the 2026 edition (50km) — 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 vertical course. Poles are highly recommended for the sustained climbs.
gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

Gear for this race

Chosen for 50 km of trail with 3,600 m of ascent.

Trail Running Shoes 72 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,600 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

New Balance

Fuel Cell Super Comp Trail

★★★★★ 4.5

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Skratch Labs

Sport Hydration Mix

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

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

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 South Downs 50 km is a trail race in Falmer, United Kingdom, organised by UK Ultra. It was last held on May 23, 2026. With 3600 meters of elevation gain over 50 kilometers, this course averages 72 meters of climb per kilometer.

The race offered a more generous cut-off than 64% of 50k races, allowing 11 hours to finish, which translates to a 13.2 minutes per kilometer pace. It has a bigger field than 90% of 50k races, with 188 finishers in its last edition.

The course is 99% trail, 1% road, running point to point from Falmer to Eastbourne.

Similar races

Other 50K trail ultras, closest in distance first.