Logo

50 Mile Grand Slam

Worthing, United Kingdom • 11 Apr 2026

Event Overview

The Centurion 50 Mile Grand Slam 2026 is a series of four 50 mile ultramarathon events. Participants must complete all four races to finish the Grand Slam.

The Races

The series includes:

  • South Downs Way 50 on 11th April 2026
  • North Downs Way 50 on 16th May 2026
  • Chiltern Wonderland 50 on 19th September 2026
  • Wendover Woods 50 on 14th November 2026

Logistics

The event has an entry fee of £468.00. Entries opened on 26th April 2025 and closed on 14th March 2026. According to the source, the event is now full and no new entries can be made. There is a minimum age requirement of 20 years old relative to the event date. The organizer is Centurion Running. Visit the organization's website for the most recent information.

United Kingdom South East (England) Worthing

Race information

Website Registration
50 mi
Chiltern Wonderland 50
50 mi
North Downs Way 50
50 mi
South Downs Way 50
50 mi
Wendover Woods 50
Visit the organization's website for the most recent information.
Trail runs nearby

Phoenix Running - Southwater

Southwater

...

Join Phoenix Running West Sussex for the Violets Are Blue Valentines Run at Southwater Park. Pick distances from 5 km to ultra, lap the flat compact trail at your own pace with rolling starts and claim a blue Love Spoon medal.

BigMud Trails (EARTH)

Horndean

Single lap trail races in the Meon Valley from Queen Elizabeth Country Park offering 16 mile, marathon and 50km options with marked routes, aid stations and mandatory fluid carriage.

North Downs Ridge 50k

Dorking

A 50k trail on the North Downs Way from Denbies Wine Estate, covering 2986 ft of ascent with four aid stations and a 10 hour cut off. The fully signed route includes a woodland loop at Norbury Park and a wooden finisher medal.

UTMB Index

South Downs Way Ultra Run

Petersfield

Guided 30 mile trail run from Harting Down along the South Downs Way, visiting Beacon Hill, Cocking Down and Kingley Vale. Presented as suitable for first time ultra runners, run at a group pace with practical support and route guidance.