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Half marathons in South East

Find half marathons near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
  • Sun 4 May
  • 1 charity
  • Sun 4 May
  • 1 charity
Worthing, West Sussex, UK

Worthing RUNFEST Half Marathon

Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
  • Sun 6 Apr
Wantage, Oxfordshire, UK

White Horse Half Marathon

  • 13.1 miles road running
  • Sun 6 Apr
Margate, Kent, UK

Kent Coastal Half Marathon & 10K | Half Marathon

  • 13.1 miles road running
  • Sat 12 Apr
Henley-on-Thames, Berkshire, UK

Henley River Half Marathon, 10K & Juniors | Half Marathon

  • 13.1 miles trail running
  • Sat 12 Apr
Hindhead, Hampshire, UK

The Spring Trail Series by Ultra X | 25K

  • 25 km trail running
  • Sun 27 Apr
Guildford, Surrey, UK

Surrey Hills Half Marathon

  • 13 miles trail running
  • Sun 27 Apr
Polegate, East Sussex, UK

The Rathfinny Run 10.7K and Half Marathon | Half Marathon

  • 21.4 km trail running
  • Sun 4 May
Lancing, West Sussex, UK

Three Forts Challenge | Half Marathon

  • 13.1 miles multi terrain 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
  • Sun 1 Jun
Walton-on-Thames, Surrey, UK

Weybridge 5K, 10K & Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sat 7 Jun
Windsor, Buckinghamshire, UK

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

  • 13.1 miles road running
  • Sat 14 Jun
Andover, Wiltshire, UK

Salisbury Plain Summer Edition | Half Marathon

  • 13.1 miles trail running

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