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Marathons with PB potential in South West

Find marathons with pb potential in South West 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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Flat, fast and an ideal setting for those aiming to achieve a personal best and is a great choice when looking for a marathon that is eligible for good for age for the London Marathon.
  • Sun 27 Sep
  • £35-£37
Barnstaple, Devon, UK

RUN Barnstaple | Marathon

Flat, fast and an ideal setting for those aiming to achieve a personal best and is a great choice when looking for a marathon that is eligible for good for age for the London Marathon.

  • 26.2 miles road running
  • Enter online
  • Flat
  • PB
  • Fundraising optional
  • Age 18 & over
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 13 Dec
  • £37.50-£39.50
Bournemouth, Dorset, UK

Step into Christmas

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • 7 hrs road running
  • Beginner-friendly
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • Sun 28 Jun
  • £42
Woolacombe, Devon, UK

North Devon Marathon

  • 26.2 miles multi terrain running

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