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Marathons in South East in October 2026

Find marathons in South East 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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The Isle of Wight Marathon celebrates its 70th Anniversary in 2026! It has been run continuously since 1957, making it the longest-running (and one of the first to be held) in the UK.
  • Sun 4 Oct
  • £23-£30
  • Early bird
Cowes, Isle of Wight, UK

The Isle of Wight Marathon

The Isle of Wight Marathon celebrates its 70th Anniversary in 2026! It has been run continuously since 1957, making it the longest-running (and one of the first to be held) in the UK.

Early bird on now

  • 26.2 miles road running + 350 m ascent
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Undulating
  • Event village
  • Rural
  • Age 18 & over
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 25 Oct
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Lines

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • 7 hrs trail running + 47 ft ascent
  • Beginner-friendly
  • Enter online
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!
  • Sun 25 Oct
  • £26-£37
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

  • 26.2 miles multi terrain running
  • Enter online
  • Undulating
  • Hilly
  • Age 16 & over
  • Sun 25 Oct
Windsor, Buckinghamshire, UK

Windsor Dorney Lakeside Marathon

  • 26.2 miles road running

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