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Half marathons in South East in Spring

Find half marathons in South East in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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  • Sun 8 Mar 2026
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

  • 13.1 miles road running
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 15 Mar 2026
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | Half Marathon

  • 13.1 miles road running
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Sun 29 Mar 2026
Arundel, West Sussex, UK

Springtide Half Marathon

  • 13.5 miles trail running + 1175 ft ascent
  • Sun 29 Mar 2026
Fleet, Hampshire, UK

Fleet Half Marathon

  • 13.1 miles road running
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | Half Marathon

  • 13.1 miles multi terrain running + 1455 ft ascent
  • Sun 10 May 2026
Reading, Berkshire, UK

Goring Gap Trails | Run - Half Marathon

  • 13.1 miles trail running + 102 m ascent
  • Sat 16 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend | Beast 21K

  • 21 km multi terrain running
  • Sat 23 May 2026
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent

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