98

Half marathons in South East

Find half marathons in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

Filter by place

Filter by date

Filter by category

Map

Event listings

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

Choose your distance and chase your personal best on the flat, chip-timed half marathon course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sun 8 Nov
  • £34
Windsor, Buckinghamshire

Run Dorney Lake | November | Half Marathon

Choose your distance and chase your personal best on the flat, chip-timed half marathon course at London 2012's iconic Olympic venue; all abilities welcome.

  • 13.1 miles road running
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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 15 Nov
  • £25-£35
Southampton, Hampshire

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!

  • 13.1 miles trail running
  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.
  • Sat 28 Nov
  • £26-£37
Gerrards Cross, Buckinghamshire

Running Tribe Races | Nov

A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.

  • 1 day multi terrain running
  • Beginner-friendly
  • Dogs allowed at venue
  • Hilly
  • Traffic free
  • Event village
  • Park
  • Rural
  • Public transport links
  • Age 16 & over
Come and join the Snow Globe Gallop Bobble Hat Half Marathon Run! At this event you can earn yourself one of the incredible themed medals and, of course, a bobble hat!
  • Sat 5 Dec
  • £23-£40
Staines, Surrey

The Snow Globe Gallop Bobble Hat Run | Half Marathon

Come and join the Snow Globe Gallop Bobble Hat Half Marathon Run! At this event you can earn yourself one of the incredible themed medals and, of course, a bobble hat!

  • 13.1 miles trail running
  • Enter online
  • Traffic free
  • Age 17 & over
A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.
  • Sat 12 Dec
  • £26-£37
Gerrards Cross, Buckinghamshire

Running Tribe Races | Dec

A new and unique concept where you decide how many loops you feel capable of on the day from 7km up to an ultra marathon! Push yourself further or go easy.

  • 1 day multi terrain running
  • Beginner-friendly
  • Dogs allowed at venue
  • Enter online
  • Undulating
  • Hilly
  • Traffic free
  • Park
  • Rural
  • Public transport links
  • Age 16 & over
Choose your distance and chase your personal best on the flat, chip-timed half marathon course at London 2012's iconic Olympic venue; all abilities welcome.
  • Sat 12 Dec
  • £34
Windsor, Buckinghamshire

Run Dorney Lake | December | Half Marathon

Choose your distance and chase your personal best on the flat, chip-timed half marathon course at London 2012's iconic Olympic venue; all abilities welcome.

  • 13.1 miles road running
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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!
  • Sat 26 Dec
  • £33-£35
Egham, Surrey

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!

  • 13.1 miles trail running
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
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 14 Feb 2027
  • £35-£42
Thames Ditton, Surrey

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!

  • 13.1 miles road running
  • Venue accessible
  • Beginner-friendly
  • Dogs allowed at venue
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Fancy dress
  • Event village
  • Rural
  • Free venue entry
  • Age 17 & over
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 28 Feb 2027
  • From £44.50
Brighton, East Sussex

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!

  • 13.1 miles road running
  • Chip timing
  • Traffic free
  • Age 17 & over
  • Sun 26 Apr
  • £31-£40
Farnham, Hampshire

Bolt Round the Holt | Half Marathon

  • 13.1 miles xc running + 1013 ft ascent
  • Sun 3 May
  • From £45
Southampton, Hampshire

ABP Southampton Half Marathon

  • 13.1 miles road running + 152 m ascent
  • Sun 10 May
  • £40-£42
Crawley, West Sussex

Run Gatwick | Half Marathon

  • 13.1 miles road running
  • Sun 10 May
  • £40-£42
Reading, Berkshire

Goring Gap Trails | Run - Half Marathon

  • 13.1 miles trail running + 102 m ascent
  • Sun 10 May
  • £40-£42
Polegate, East Sussex

The Rathfinny Run 10.7K and Half Marathon | Half Marathon

  • 21.4 km trail running
  • Sat 16 May
  • £119-£129.99
Henley-on-Thames, Buckinghamshire

London West Spartan Trifecta Weekend | Beast 21K

  • 21 km multi terrain running
  • Sat 23 May
  • £42-£44
Eastbourne, East Sussex

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent
  • Sat 30 May
  • £25-£27
Oxford, Oxfordshire

The Otmoor Challenge | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 31 May
  • £30-£40
Faversham, Kent

Macknade Half Marathon & 10K | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 7 Jun
  • £32-£39
Lewes, East Sussex

Weald Challenge

  • 22 km trail running
  • Sun 7 Jun
  • £35
Freshwater, Isle of Wight

Needles Half Marathon

  • 13.1 miles multi terrain running
  • Sun 14 Jun
  • £53-£55
Kingsclere, Hampshire

The Hampshire Hoppit | Half Marathon

  • 13.1 miles trail running + 330 m ascent
  • Sat 27 Jun
  • £10-£49
Cranleigh, Surrey

The Maverick North Downs Trail | Half Marathon

  • 22 km trail running
  • Sat 27 Jun
  • £40-£42
Dorking, Surrey

The Rhino Run | White Rhino Half Marathon

  • 13.1 miles trail running + 2200 ft ascent
  • Sat 27 Jun
  • £35-£45
Winchester, Hampshire

Gravel Rush, Winchester | 21K Half Marathon

  • 21 km trail running
  • Sun 5 Jul
  • £30-£32
Aylesbury, Buckinghamshire

Chiltern Ridge Half Marathon

  • 21.3 km trail running + 526 m ascent

Search options

Back to search options
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.