UK Ultra Dark Downs 50K, 20 Mile & Half Marathon

UK Ultra Dark Downs 50K, 20 Mile & Half Marathon

Saturday, 3 October 2026

Lewes, East Sussex, UK

Follow event Run/Walk Off Road/Trail Night

The UK Ultra Dark Downs 50K on 3 October 2026 is a Dusk till Dawn loop in the South Downs, starting and finishing at Plumpton Racecourse in Lewes.

The race will start as the sun is setting, and runners/walkers will have 12 hours to complete it. Terrain is 95% trail and 5% road. There will be 4 aid stations and a fully marked course with very high visibility/reflective signage and Marshall's out at regular intervals.

As well as the 50km distance, there is also a 20 mile and a Half Marathon held on beautiful single loop routes through the South Downs National Park at night. The courses are achievable and a great option for first time trail runners.

Organiser

UK Ultra

Distances/Events

Half Marathon
20 miles / ~ 32K
50K

Location map

The event starts at Plumpton Racecourse.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

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This listing was last manually checked on 7 June 2026.

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