15

Half marathons in South East in March 2026

Find half marathons near me in South East in March 2026 - filter by date or location, 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 1 Mar 2026
  • £44.50-£46.50
  • 4 charities
  • Sun 1 Mar 2026
  • £44.50-£46.50
  • 4 charities
Brighton, East Sussex, UK

Altra 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
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
  • Fri 6 Mar 2026
  • £20-£27
  • Fri 6 Mar 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar | Half Marathon

The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 7 Mar 2026
  • £23-£35
  • Sat 7 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Panda Plod | Half Marathon

There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
  • Sat 14 Mar 2026
  • £23-£35
  • Sat 14 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Sloth Scamper | Half Marathon

Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
  • Sat 21 Mar 2026
  • £23-£35
  • Sat 21 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Flying Fox | Half Marathon

Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
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 22 Mar 2026
  • 1 charity
  • Sun 22 Mar 2026
  • 1 charity
Reading, Berkshire, UK

Green Park Reading Half Marathon

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
"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!
  • Sat 28 Mar 2026
  • £23-£35
  • Sat 28 Mar 2026
  • £23-£35
Staines, Surrey, UK

Milkshake Meander | Half Marathon

"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
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 29 Mar 2026
  • £31
  • Sun 29 Mar 2026
  • £31
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.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles road running + 104 ft ascent
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!
  • Sun 29 Mar 2026
  • £26-£37.50
  • Sun 29 Mar 2026
  • £26-£37.50
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
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 3002 ft ascent
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Half Marathon

  • 13.1 miles trail running + 2185 ft ascent
  • Sun 8 Mar 2026
Eastbourne, East Sussex, UK

Eastbourne Half Marathon

  • 13.1 miles road running + 166 m ascent
  • 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 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

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