South Downs 100 mile (Autumn Event)

OCT

3

2026

Tackle 100 mile across the rolling South Downs, starting and finishing at Plumpton Racecourse. With 12,000 ft of ascent, scenic views and a 34 hour cutoff, this autumn single loop ultra is a true test.

Sat 3 Oct 2026

Lewes, South East (England)

Registration

100 miles

Always double-check with the organizer's website! This page may contain affiliate links.

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 scheduled for 3 October 2026 and is organised by UK Ultra. The race starts and finishes at Plumpton Racecourse, Lewes, East Sussex. The distance is 100 miles.

Course and entry details

The route includes over 12,000 ft of elevation with rolling hills and multiple viewpoints. There are 12 aid stations along the course and a 34 hour cutoff time. Free onsite camping is available over the weekend. The 100 mile race is part of the South Downs Triple Crown, a challenge introduced in 2025 that requires completing three ultra-distance races in the same calendar year; four variations of the Triple Crown are offered. Entry is open to participants aged 20 and over on 03/10/2026. The listed entry fee is between £183 and £185. Visit the organization's website for the most recent information.

100 mi

South Downs 100 Miles