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South Downs 100 mile (Autumn Event)

Name: South Downs 100 mile (Autumn Event)
Start: 2026-10-03
End: 2026-10-03
Location: Lewes

Lewes, United Kingdom • 3 Oct 2026

South Downs 100 mile (Autumn Event)

The South Downs 100 mile is a single-loop trail race through the South Downs National Park. The event is based at Plumpton Racecourse in Lewes, East Sussex. The course includes more than 12,000 ft of elevation, rolling hills and multiple viewpoints. There are 12 aid stations positioned along the route and a 34 hour cutoff time. Free onsite camping is provided over the weekend.

The 100 mile race is part of the South Downs Triple Crown, a challenge beginning in 2025 that requires completing three ultra distance races within the calendar year. Four different variations of the Triple Crown are offered. The event listing shows an entry fee of GBP 185. Visit the organization's website for the most recent information.

United Kingdom South East (England) Lewes

Race information

Registration

100 mi

South Downs 100 Miles

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday May 23

South Downs

Eastbourne

50 km

A point-to-point 50km trail race from Falmer to Eastbourne along the South Downs Way, covering roughly 3,500 feet of ascent and descent with mostly runnable trails, four aid stations, live GPS tracking and no qualifier required.

Saturday May 23

Seven Sisters Half Marathon

Eastbourne

14 mi

A single loop trail half marathon around the Seven Sisters in the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. The 13.5 miles route includes about 2,000 feet of ascent on mostly trail surfaces.

Saturday May 23

Phoenix Running - Ardingly

Ardingly

5 km

10 km

Experience the twilight beauty of Ardingly Reservoir during this sunset run in West Sussex. Choose between a 5km or 10km distance on a scenic undulating trail and enjoy a timed midsummer evening event with finishers medals.

Saturday May 23

Cuckmere Haven - Beachy Head 15 Miles - Guided Run

Exceat

15 mi

A guided 15 miles trail run from Cuckmere Haven to Beachy Head on Saturday 23 May, organised by Trail-Run Explorers. The event is listed at postcode BN25 4AD and is part of the organiser's programme of guided runs.