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.
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- Sun 29 Mar
- £26-£37.50
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
- Thu 2 Apr
- £23-£35
Eggcellent Easter Orange 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 Easter egg themed medal and goody bag at the finish!
- Enter online
- Age 17 & over
- 13.1 miles trail running
- Fri 3 Apr
- £23-£35
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 in pink!
- Enter online
- Age 17 & over
- 13.1 miles trail running
- Sat 4 Apr
- £33-£35
London Marathon Long Training Run | Day 5
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
- Beginner-friendly
- Enter online
- Flat
- Traffic free
- Fancy dress
- Event village
- Age 17 & over
- 7 hrs trail running
- Sat 4 Apr
- £23-£35
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 in green!
- Enter online
- Age 17 & over
- 13.1 miles trail running
- Sun 5 Apr
- £23-£35
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
- Mon 6 Apr
- £23-£35
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
- Sat 11 Apr
- £16-£35
Love it or Hate it Run
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 18 Apr
- £16-£35
The London Run
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 19 Apr
- £31
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 + 669 ft ascent
- Sun 3 May
- £45
- 1 charity
ABP Southampton Half Marathon
A single lap of the marathon course which offers a spectacular route including green parks, shoreline and riverside views, starting and finishing at the iconic Southampton Guildhall.
- Chip timing
- Enter online
- Age 17 & over
- 13.1 miles road running + 152 m ascent
- Sun 3 May
- £36-£42
- 4 charities
Worthing RUNFEST Half Marathon
Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 37 m ascent
- Mon 4 May
- £20-£27
Bank Holiday Madness May | Half Marathon
Come and join the day of running and aim to complete a midweek half marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running
- Mon 4 May
- £40-£50
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 + 518 ft ascent
- Sat 9 May
- £43-£45
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
- 13.1 miles trail running + 70 ft ascent
- Sun 10 May
- £16-£35
The Spring Lucky Dip Run
Come and join the Spring 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!
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 16 May
- £16-£35
Rocky at 50 Run
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
- Families
- Beginner-friendly
- Event village
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 6 Jun
- £15-£35
Strawberry Shortcake Scamper
Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her!
- Families
- Beginner-friendly
- Event village
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 6 - Sun 7 Jun
- £95-£105
- Team places only
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?
Team places only
- Dogs allowed at venue
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- Event village
- Event expo
- Park
- Free venue entry
- Sustainability policy
- Relay
- Age 18 & over
- 24 hrs multi terrain running
- Sun 7 Jun
- £16-£35
The Summer Lucky Dip Run
Come and join the Summer 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!
- Families
- Beginner-friendly
- Event village
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 13 Jun
- £43-£45
Bewl Water Summer | 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 17-80
- 13.1 miles trail running + 710 ft ascent
- Sun 14 Jun
- £23-£35
Labyrinth 40th Anniversary Run | Half Marathon
Come and celebrate the 40th anniversary of the iconic film released in 1986! A cult classic from the 80s, one of Charlotte's favourite films, and who doesn't love David Bowie as the Goblin King!
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 14 Jun
- £32
Wendover Woods Half Marathon
Come and conquer the Wendover Woods this summer and enjoy a scenic forest trail half marathon challenge to delight the senses.
- Chip timing
- Enter online
- Hilly
- Traffic free
- Age 17 & over
- 13.1 miles trail running + 1483 ft ascent
- Sun 5 Jul
- £16-£35
Will Run For Ice Cream
A run that you don't want to miss! The medal is incredible, and you can celebrate your achievements with some well-deserved ice cream!
- Families
- Beginner-friendly
- Event village
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 11 Jul
- £16-£35
Ooops I Ran It Again
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- Families
- Beginner-friendly
- Event village
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races