Sat 26 Apr 2025 Chesham, Buckinghamshire, UK

Chiltern Hills 100K

A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.

  • Sat 26 Apr 2025
Chesham, Chesham

Chiltern Hills 100K

06:00

Age 20 & over

£118-£120

  • 100 km trail running
  • Chip timing
  • Enter online
  • Event village
  • GPS tracking
  • Hilly
  • Newcomers

Event overview

The debut 100K ultra marathon will take place in 2025 on a route that combines the most loved trails and landmarks within the central Chiltern Hills. The route starts and finishes in Chesham with runners completing an anticlockwise loop passing many landmarks along the way, including Ashridge Esate, Ivinghoe Beacon, Coombe Hill & Bledlow Ridge.

Event details

  • All fitness levels
  • Event village
  • Newcomers

Route

  • Check points
  • Distance markers
  • First aid
  • Hilly
  • Marshals
  • Water stations

What's included

  • Chip timing
  • GPS tracking
  • Map
  • Medal
  • Post-race meal

Entries

  • Age 20 & over
  • Entries open
  • Enter online