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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
Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!
  • Sun 23 Mar 2025
  • 4 charities
  • Sun 23 Mar 2025
  • 4 charities
Reading, Berkshire, UK

Reading Half Marathon | Half Marathon charity places

Take in the highlights of the centre of Reading and the beautiful grounds of the University campus while experiencing huge crowd support as you're cheered into the Olympic stadium and over the finish!

  • Chip timing
  • Enter online
  • 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
Redhill, Surrey, UK

Y2Y North Downs Trek / Run | Half Marathon Challenge Run

  • 14 miles road running

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