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Half marathons in South East in March 2025

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

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Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!
  • Sun 2 Mar 2025
  • £44.50-£46.50
  • 3 charities
  • Sun 2 Mar 2025
  • £44.50-£46.50
  • 3 charities
Brighton, East Sussex, UK

Rubix VT Brighton Half Marathon

Join the UK's Happiest Half - a fast, flat race with a buzzing Brighton atmosphere. An early season major half and one of the most popular races in the UK!

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.
  • Sun 9 Mar 2025
  • £28-£35
  • Sun 9 Mar 2025
  • £28-£35
Romney Marsh, Kent, UK

Brett Lydd Half Marathon

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles road running
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 29 Mar 2025
  • £52
  • Sat 29 Mar 2025
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 32K

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 32 km multi terrain running
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sat 29 Mar 2025
  • £52
  • Sat 29 Mar 2025
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles multi terrain running
  • Sat 1 Mar 2025
Sunbury-on-Thames, Surrey, UK

Kempton Park 5K, 10K & Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 2 Mar 2025
Dartford, Kent, UK

Dartford Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 2 Mar 2025
Bromley, Kent, UK

The Drop | London | 15 Miles

  • 15 miles multi terrain running
  • Sat 8 Mar 2025
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running
  • Sun 9 Mar 2025
Kingston upon Thames, Surrey, UK

Kingston Breakfest Run | 16 Mile

  • 16 miles road running
  • Sun 9 Mar 2025
Kingston upon Thames, Surrey, UK

Kingston Breakfest Run | 20 Mile

  • 20 miles road running
  • Sun 9 Mar 2025
Steyning, West Sussex, UK

Steyning Stinger | Half Marathon

  • 21 km multi terrain running
  • Sun 9 Mar 2025
Windsor, Buckinghamshire, UK

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

  • 13.1 miles road running
  • Sun 9 Mar 2025
Tonbridge, Kent, UK

Lambert & Foster Paddock Wood Half Marathon

  • 13.1 miles road running
  • Sat 15 Mar 2025
Walton-on-Thames, Surrey, UK

Spring Marathon & Half Marathon | Half Marathon

  • 13.1 miles trail running
  • Sun 16 Mar 2025
Woking, Surrey, UK

Surrey Half Marathon, 5K & Kids Run | Half Marathon

  • 13.1 miles road running
  • Sun 16 Mar 2025
Fleet, Hampshire, UK

Fleet Half Marathon

  • 13.1 miles road running
  • Sun 16 Mar 2025
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | 20 Mile

  • 20 miles road running
  • Sun 16 Mar 2025
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running | Half Marathon

  • 13.1 miles road running
  • Sun 16 Mar 2025
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1800 ft ascent
  • Sat 22 Mar 2025
Emsworth, Hampshire, UK

Chichester Harbour Trail Run | 21K

  • 21 km trail running
  • Sat 22 Mar 2025
Emsworth, Hampshire, UK

Chichester Harbour Trail Run | 16K

  • 16 km trail running
  • Sun 23 Mar 2025
Herne Bay, Kent, UK

Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon | Half Marathon

  • 13.1 miles road running
  • Sun 23 Mar 2025
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running
  • Sun 23 Mar 2025
Windsor, Berkshire, UK

Pre-London Windsor Trail Run | Half Marathon

  • 21.73 km trail running
  • Sun 23 Mar 2025
Windsor, Berkshire, UK

Pre-London Windsor Trail Run | 10K

  • 9.8 km trail running

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