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Marathons with PB potential in South East in Spring

Find marathons with pb potential in South East in Spring - 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 delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.
  • Sun 29 Mar 2026
  • £33
Romney Marsh, Kent, UK

Brett Lydd 20 Mile

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • 20 miles road running + 206 ft ascent
A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.
  • Mon 4 May 2026
  • £50-£60
Milton Keynes, Buckinghamshire, UK

MK Marathon

A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Relay
  • Age 18 & over
  • 26.2 miles road running + 938 ft ascent

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