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Half marathons in South East

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

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Cancelled
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 25 Jan 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Jan | 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 + 2812 ft ascent
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 Feb 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Feb | 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
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!
  • Sat 7 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Highland Hotfoot | Half Marathon

Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
  • Sat 14 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Racoon Rocket Run | Half Marathon

Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
This is the original Hampton Court Half Marathon and is run over a fast, flat and interesting course that borders the river-side grounds of the magnificent palace with King Henry VIII cheering on!
  • Sun 15 Feb 2026
  • £35-£37
Thames Ditton, Surrey, UK

Hampton Court Half Marathon

This is the original Hampton Court Half Marathon and is run over a fast, flat and interesting course that borders the river-side grounds of the magnificent palace with King Henry VIII cheering on!

  • Newcomers
  • Entertainment
  • Music
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Rural
  • Age 17 & over
  • 13.1 miles road running
The Magna Carta Half Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
  • Sat 21 Feb 2026
  • £43-£45
Egham, Surrey, UK

Magna Carta Winter | Half Marathon

The Magna Carta Half Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17-80
  • 13.1 miles trail running + 110 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 14km depending on how you feel on the day!
  • Sat 21 Feb 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Feb | 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 14km depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 2631 ft ascent
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
  • Sat 21 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Rubber Ducky Dash | Half Marathon

Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!

  • 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 giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 28 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Giraffe Gallop | Half Marathon

There's another animal inspired event for you, the featured animal this time is a giraffe! 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
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
  • 5 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
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
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
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
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
  • £51-£53
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
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
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
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
The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!
  • Thu 2 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Orange Run | Half Marathon

The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!
  • Fri 3 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Pink Run | Half Marathon

The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
The Eggcellent Easter Green Run is the third event in the five day series where you can earn the fantastic easter egg medal, this time in green!
  • Sat 4 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Green Run | Half Marathon

The Eggcellent Easter Green Run is the third event in the five day series where you can earn the fantastic easter egg medal, this time in green!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
  • Sun 5 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Purple Run | Half Marathon

The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
  • Mon 6 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Blue Run | Half Marathon

The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and get involved in this Love it or Hate it Run!
  • Sat 11 Apr 2026
  • £23-£35
Staines, Surrey, UK

Love it or Hate it Run | Half Marathon

Come and get involved in this Love it or Hate it Run!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
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 17 Apr 2026
  • £20-£27
Staines, Surrey, UK

Midweek Medal Madness Run | 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

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