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Half marathons in South East in May 2026

Find half marathons in South East in May 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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Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
  • Sat 16 May
  • £15-£35
Staines, Surrey

Rocky at 50 Run

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • All ages
Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!
  • Fri 29 May
  • £15-£27
Staines, Surrey

Midweek Medal Madness | Leons Birthday Run | Half Marathon

Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!

  • 13.1 miles road running
  • Enter online
  • Age 17 & over
  • Sat 16 May
  • £119-£129.99
Henley-on-Thames, Buckinghamshire

London West Spartan Trifecta Weekend | Beast 21K

  • 21 km multi terrain running
  • Sun 17 May
  • £32-£36
High Wycombe, Buckinghamshire

The Ridge Off Roader | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 17 May
  • £28-£30
Buckingham, Buckinghamshire

The Buckingham Half Marathon

  • 13.1 miles road running
  • Sat 23 May
  • £42-£44
Eastbourne, East Sussex

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sat 30 May
  • £25-£27
Oxford, Oxfordshire

The Otmoor Challenge | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 31 May
  • £30-£40
Faversham, Kent

Macknade Half Marathon & 10K | Half Marathon

  • 13.1 miles multi terrain running

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