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Half marathons in South East

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

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

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 23 Feb
  • £52
  • Sun 23 Feb
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Feb | 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!
  • Sun 23 Feb
  • £52
  • Sun 23 Feb
  • £52
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 10km depending on how you feel on the day!

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles multi terrain running
Entries close soon
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
  • £44.50-£46.50
  • Entries close soon
  • Sun 2 Mar
  • £44.50-£46.50
  • Entries close soon
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
  • £28-£35
  • Sun 9 Mar
  • £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
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!
  • Sat 29 Mar
  • £52
  • Cancelled
  • Sat 29 Mar
  • £52
  • Cancelled
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
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!
  • Sat 29 Mar
  • £52
  • Cancelled
  • Sat 29 Mar
  • £52
  • Cancelled
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
A superbly crafted spring half marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?
  • Sun 13 Apr
  • FREE-£35
  • Sun 13 Apr
  • FREE-£35
Ashford, Kent, UK

Kent Spring Half Marathon

A superbly crafted spring half marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles multi terrain 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 26 Apr
  • £43-£45
  • Sat 26 Apr
  • £43-£45
Egham, Surrey, UK

Magna Carta Spring | 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
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 27 Apr
  • £52
  • Sun 27 Apr
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Apr | 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!
  • Sun 27 Apr
  • £52
  • Sun 27 Apr
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Apr | 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
A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.
  • Mon 5 May
  • £36-£46
  • Mon 5 May
  • £36-£46
Milton Keynes, Buckinghamshire, UK

MK Half Marathon

A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 10 May
  • £43-£45
  • Sat 10 May
  • £43-£45
Wadhurst, East Sussex, UK

Bewl Water Spring | Half Marathon

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 13.1 miles trail running
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!
  • Sat 31 May
  • £52
  • Cancelled
  • Sat 31 May
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | May | 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
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!
  • Sat 31 May
  • £52
  • Cancelled
  • Sat 31 May
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | May | 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
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 7 - Sun 8 Jun
  • £80-£110
  • 5 charities
  • Sat 7 - Sun 8 Jun
  • £80-£110
  • 5 charities
Reading, Berkshire, UK

Endure24 | Reading

The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

  • Dogs allowed
  • Entertainment
  • Music
  • Ballot
  • Chip timing
  • Enter online
  • Event village
  • Event expo
  • Park
  • Free venue entry
  • Sustainability policy
  • Age 16 & over
  • 24 hrs multi terrain 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 7 Jun
  • £43-£45
  • Sat 7 Jun
  • £43-£45
Egham, Surrey, UK

Magna Carta Summer | 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
  • Age 17 & over
  • 13.2 miles trail running
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!
  • Sat 28 Jun
  • £52
  • Cancelled
  • Sat 28 Jun
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Jun | 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
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!
  • Sat 28 Jun
  • £52
  • Cancelled
  • Sat 28 Jun
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Jun | 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
A superb summer's day of running and multi-sports at the stunning Olympic venue which boasts fast, flat courses with closed roads. A must for your race schedule this year.
  • Sat 5 Jul
  • £25
  • Sat 5 Jul
  • £25
Windsor, Buckinghamshire, UK

FixAddiction Half Marathon

A superb summer's day of running and multi-sports at the stunning Olympic venue which boasts fast, flat courses with closed roads. A must for your race schedule this year.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
Run Miles. Drink cider. A half marathon where you sample different ciders along the way. Set amidst the beautiful Thames Valley where fitness and fun go together. It's a party from start to finish.
  • Sat 19 Jul
  • £47
  • Sat 19 Jul
  • £47
Henley-on-Thames, Buckinghamshire, UK

The Ciderthon

Run Miles. Drink cider. A half marathon where you sample different ciders along the way. Set amidst the beautiful Thames Valley where fitness and fun go together. It's a party from start to finish.

  • Chip timing
  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles multi terrain running
The Bright Skies Half Marathon is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.
  • Sun 20 Jul
  • £32
  • Sun 20 Jul
  • £32
Dorking, Surrey, UK

Bright Skies Surrey Hills | Half Marathon

The Bright Skies Half Marathon is a thrilling daytime trail race following an undulating yomp through Surrey's rolling hills and the Denbies Estate in the Surrey Hills.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 13.1 miles trail running
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!
  • Sat 26 Jul
  • £52
  • Cancelled
  • Sat 26 Jul
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Jul | 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
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!
  • Sat 26 Jul
  • £52
  • Cancelled
  • Sat 26 Jul
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Jul | 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
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!
  • Sat 30 Aug
  • £52
  • Cancelled
  • Sat 30 Aug
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Aug | 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
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!
  • Sat 30 Aug
  • £52
  • Cancelled
  • Sat 30 Aug
  • £52
  • Cancelled
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Aug | 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

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