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Marathons with PB potential in UK in October 2026

Find marathons with pb potential in UK in October 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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A multi-award winning event and three-time winner of the UK's Best Marathon (up to 5,000 runners) as well as the UK’s only international marathon from the historic Roman/Medieval City of Chester!
  • Sun 11 Oct
  • £63-£69
  • 5 charities
Chester, Cheshire, UK

MBNA Chester Marathon

A multi-award winning event and three-time winner of the UK's Best Marathon (up to 5,000 runners) as well as the UK’s only international marathon from the historic Roman/Medieval City of Chester!

  • 26.2 miles road running + 209 m ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • PB
  • Traffic free
  • Age 18 & over
A Halloween-themed marathon you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.
  • Sat 31 Oct
  • £39-£41
Leeds, West Yorkshire, UK

Hubble Bubble & Ghostly 1 Mile | Marathon

A Halloween-themed marathon you won't want to miss, bringing together runners of all abilities to share memories in what they love to do. Reach the finish to enjoy tasty Halloween treats.

  • 26.2 miles trail running + 288 ft ascent
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • Sun 18 Oct
York, North Yorkshire, UK

Yorkshire Marathon Festival

  • Marathon 2
  • 10 miler

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