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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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MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Whitstable!
  • Sat 1 Nov
  • £30-£35
Herne Bay, Kent, UK

Whitstable & Herne Bay MoRun | Half Marathon

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Whitstable!

  • Chip timing
  • Enter online
  • Age 17 & over
  • 13.1 miles road running
An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!
  • Sun 2 Nov
  • £30
Tring, Buckinghamshire, UK

Wendover Woods Half Marathon

An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!

  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail running + 1505 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a half marathon, then a Remembrance medal, goody bag and special pin.
  • Sun 9 Nov
  • £26-£38
Egham, Surrey, UK

Remembrance Day Run | South | Half Marathon

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a half marathon, then a Remembrance medal, goody bag and special pin.

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Southampton!
  • Sun 9 Nov
  • £30-£35
Southampton, Hampshire, UK

Southampton MoRun | Half Marathon

MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the half marathon, Southampton!

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail 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 14 Nov
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Nov | 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 the day of running and aim to complete a half marathon at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!
  • Sun 16 Nov
  • £23-£35
Egham, Surrey, UK

Smurf Run | Half Marathon

Come and join the day of running and aim to complete a half marathon at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
This is an extra special event to celebrate the release of a certain movie...the medal is TOP SECRET but it is absolutely 'wicked'...
  • Fri 21 Nov
  • £23-£35
Staines, Surrey, UK

Changed For Good Run | Half Marathon

This is an extra special event to celebrate the release of a certain movie...the medal is TOP SECRET but it is absolutely 'wicked'...

  • Enter online
  • Age 17 & over
  • 13.1 miles road running
Set in the stunning Wendover Woods, this is the perfect chance to challenge yourself over half marathon distance on scenic trails. Enjoy the fresh air, stunning views and rewarding trails.
  • Sun 23 Nov
  • £35
Tring, Buckinghamshire, UK

ATW Wendover Woods Trail Run | Half Marathon

Set in the stunning Wendover Woods, this is the perfect chance to challenge yourself over half marathon distance on scenic trails. Enjoy the fresh air, stunning views and rewarding trails.

  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 23 Nov
  • £23-£35
Staines, Surrey, UK

Lord of The Run Part 3 | Half Marathon

Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 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 30 Nov
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Nov | 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
Join a December midweek half marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
  • Fri 5 Dec
  • £20-£27
Staines, Surrey, UK

The Christmas Jumper Jaunt | Half Marathon

Join a December midweek half marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
  • Sat 6 Dec
  • £28-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run | Half Marathon

Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 0 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 14 Dec
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Dec | 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 + 2772 ft ascent
Come and join the morning of running and aim to complete a half marathon at your own pace on a scenic course with Christmas Dinner on route, present, themed medal and goody bag at the finish!
  • Thu 25 Dec
  • £23-£35
Egham, Surrey, UK

Christmas Day Cracker Run | Half Marathon

Come and join the morning of running and aim to complete a half marathon at your own pace on a scenic course with Christmas Dinner on route, present, themed medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a half marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
  • Fri 26 Dec
  • £28-£30
Egham, Surrey, UK

Boxing Day Challenge | Half Marathon

Come and join the day of running and aim to complete a half marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!

  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a half marathon at your own pace on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!
  • Sat 27 Dec
  • £23-£35
Staines, Surrey, UK

Year End Time Turner | Half Marathon

Come and join the day of running and aim to complete a half marathon at your own pace on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a half marathon at your own pace on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!
  • Wed 31 Dec
  • £33-£35
Egham, Surrey, UK

River Thames Run | Half Marathon

Come and join the day of running and aim to complete a half marathon at your own pace on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
  • Thu 1 Jan 2026
  • £23-£35
Staines, Surrey, UK

New Years Day Run | Half Marathon

Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a Rhino medal and goody bag at the finish.
  • Sat 3 Jan 2026
  • £33-£35
Egham, Surrey, UK

Rhino Run | Half Marathon

Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a Rhino medal and goody bag at the finish.

  • Enter online
  • Traffic free
  • 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 9 Jan 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Jan | 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 get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!
  • Sat 10 Jan 2026
  • £23-£35
Staines, Surrey, UK

The Rise From The Ashes Run - South | Half Marathon

Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 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!
  • Sat 24 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 + 2631 ft ascent
Come and join in Winter Lucky Dip Run, there is no set medal for this race, instead, you will get to choose your own from a selection of medals from past events!
  • Sat 24 Jan 2026
  • £23-£35
Staines, Surrey, UK

The Winter Lucky Dip Run | Half Marathon

Come and join in Winter Lucky Dip Run, there is no set medal for this race, instead, you will get to choose your own from a selection of medals from past events!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running + 0 ft ascent
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

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