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Marathons in South East in August 2025

Find marathons near me in South East in August 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Take on this marathon distance event as part of the day of multi-sports and take the opportunity to race around this unique and inspiring Olympic venue on flat, scenic grounds with PB potential.
  • Sat 9 Aug
  • £40-£42
  • Sat 9 Aug
  • £40-£42
Windsor, Buckinghamshire, UK

Dorney Triathlon | August | Marathon

Take on this marathon distance event as part of the day of multi-sports and take the opportunity to race around this unique and inspiring Olympic venue on flat, scenic grounds with PB potential.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • 26.2 miles road running
  • Sun 24 Aug
Caterham, Surrey, UK

Woldingham Half and Full Marathon | Full Marathon

  • 26.2 miles trail running + 3238 ft ascent
  • Sat 30 Aug
Walton-on-Thames, Surrey, UK

Summer Marathon & Half Marathon | Marathon

  • 26.2 miles trail running

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