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50K ultra runs in Oxfordshire

Find 50k ultra runs in Oxfordshire in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.
  • Sat 11 - Sun 12 Jul
  • £90-£275
Watlington, Oxfordshire, UK

Race to the Stones

Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.

  • 50K ultra run 2
  • 100K ultra run 3
  • Families
  • Recycling
  • Beginner-friendly
  • Event village
  • Rural
  • Sustainability policy
  • Public transport links
  • Age 18 & over
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
  • Sat 26 Sep
  • £139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km Challenge

The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

  • 50 km trail running + 920 m ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over

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