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Half marathons in South East in May 2025

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

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Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 10 May
  • £43-£45
  • Sat 10 May
  • £43-£45
Wadhurst, East Sussex, UK

Bewl Water Spring | Half Marathon

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 13.1 miles trail running
Get involved in this exhilarating Half Marathon in the stunning Chiltern Hills! This Area of Outstanding Natural Beauty offers the perfect mix of challenging climbs rewarding descents.
  • Sun 25 May
  • £35
  • Sun 25 May
  • £35
Chesham, Buckinghamshire, UK

ATW Chiltern Half Marathon

Get involved in this exhilarating Half Marathon in the stunning Chiltern Hills! This Area of Outstanding Natural Beauty offers the perfect mix of challenging climbs rewarding descents.

  • Enter online
  • Age 17 & over
  • 21.1 km trail running
  • Sat 10 May
Windsor, Buckinghamshire, UK

The All Nations 5K, 10K and Half Marathon Run | Half Marathon

  • 13.1 miles road running
  • Sat 10 May
Andover, Wiltshire, UK

Collingbourne Races | Half Marathon

  • 13.1 miles trail running
  • Sun 11 May
Bracknell, Berkshire, UK

The Lexicon Bracknell Half Marathon

  • 13.1 miles multi terrain running
  • Sun 11 May
Buckingham, Buckinghamshire, UK

The Buckingham Half Marathon

  • 13.1 miles road running
  • Sat 17 May
Reading, Berkshire, UK

Goring Gap Trail Weekender | 50 Mile Ultra

  • 50 miles trail running
  • Sat 17 May
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Beast 21K - Saturday

  • 21 km multi terrain running
  • Sun 18 May
Windsor, Berkshire, UK

Royal Windsor Trail Run | Half Marathon

  • 13.1 miles trail running
  • Sun 18 May
High Wycombe, Buckinghamshire, UK

The Ridge Off Roader | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 18 May
Reading, Berkshire, UK

Goring Gap Trail Weekender | Half Marathon

  • 13.1 miles trail running
  • Sun 18 May
Pulborough, West Sussex, UK

Pulborough Vineyard Run | Half Marathon

  • 13.1 miles trail running
  • Sat 24 May
Guildford, Surrey, UK

The Fox Trail 20K, 41K & 62K | 20K

  • 20 km trail running
  • Sun 25 May
Windsor, Buckinghamshire, UK

Run Dorney 5K, 10K & Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 25 May
Eastbourne, East Sussex, UK

UK Ultra Seven Sisters Half Marathon

  • 13.1 miles trail running
  • Sat 31 May
Oxford, Oxfordshire, UK

The Otmoor Challenge | Half Marathon

  • 13.1 miles multi terrain running

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