4 100K ultra runs in East of England

Find 100k ultra runs in and around East of England for 2024/2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

  • Sat 1 Jun
  • £78-£80
King's Lynn, Norfolk, UK

Norfolk 100K and 50K | 100K

The Norfolk 100km is a point-to-point ultra marathon from Castle Acre to Sheringham in the UK.

  • 100 km trail running
  • Sat 15 Jun
  • £73-£75
Chelmsford, Essex, UK

Essex Way Ultra | 100K

The Essex Way is a long-distance trail which weaves through some of the most beautiful parts of Essex, between Epping and Harwich.

  • 100 km trail running
  • Fri 5 - Sat 6 Jul
  • £97-£99
Epping, Essex, UK

The Full Essex Way Ultra

From City to Sea! Starting at Epping tube station in London and finishing at the high lighthouse in the historic port of Harwich, the ultra covers the full 82 miles of the beautiful Essex Way Trail.

  • 82 miles trail running + 2778 ft ascent
  • Sat 3 Aug
  • £100-£102
Newmarket, Suffolk, UK

Stour Valley Path 100K Ultra Run | 100K

One of the largest and friendliest 100K and 50K races in the UK

  • 100 km trail running + 912 m ascent

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