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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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.
- 13.1 miles road running + 518 ft ascent
- Sat 16 May
- £15-£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?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Fri 29 May
- £15-£27
Midweek Medal Madness | Leons Birthday Run | Half Marathon
Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!
- 13.1 miles road running
- Wed 3 Jun
- £25
Surrey Hills Half Marathon
Explore the beauty of the Surrey Hills on a guided trail half marathon through the scenic Area of Outstanding Natural Beauty, with woodland trails, hills and sweeping views.
- 13 miles trail running
- 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!
- 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 biggest 24-hour relay! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the stunning 8km course as you can. How far can you go in 24 hours?
- 24 hrs multi terrain running
- Sun 7 Jun
- £15-£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!
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 7 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.
- 13.1 miles trail running + 1483 ft ascent
- Fri 12 Jun
- £15-£27
Midweek Chasing Numbers June | 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.
- 13.1 miles trail running
- 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.
- 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!
- 13.1 miles road running
- Sat 4 Jul
- £30-£35
FixAddiction Half Marathon
A superb summer's day of running at the stunning Olympic venue which boasts fast, flat courses with closed roads. Get together with friends, family or colleagues and be part of this great event!
- 13.1 miles road running
- Sun 5 Jul
- £15-£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!
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Fri 10 Jul
- £15-£27
Midweek Chasing Numbers July | 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.
- 13.1 miles trail running
- Sat 11 Jul
- £15-£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?!
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Fri 24 Jul
- £15-£27
Midweek Medal Madness Run July | 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.
- 13.1 miles trail running
- Sun 26 Jul
- £35
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.
- 13.1 miles trail running
- Sun 9 Aug
- £23-£35
Great British Bake Run | Half Marathon
Who doesn't like cake?! The Great British Bake Half Marathon Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!
- 13.1 miles road running
- Fri 14 Aug
- £15-£27
Midweek Chasing Numbers Aug | 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.
- 13.1 miles trail running
- Sat 15 Aug
- £23-£35
I'm Not Throwing Away My Shot Run | Half Marathon
If you're a fan of the musical Hamilton, then this is the run for you! This is an amazing Hamilton-inspired event with an incredible themed medal too.
- 13.1 miles trail running
- Sun 16 Aug
- £20-£25
Isle of Wight Half Marathon
Challenge yourself on this scenic, undulating road race across the Isle of Wight. Enjoy breathtaking coastal views, peaceful countryside lanes, and amazing local support from start to finish.
- 13.1 miles multi terrain running + 183 m ascent
- Fri 21 Aug
- £15-£27
Midweek Medal Madness Run August | 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.
- 13.1 miles trail running
- Sat 12 Sep
- £43-£45
Bewl Water Autumn | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
- 13.1 miles trail running + 710 ft ascent
- Sun 27 Sep
- £42-£48
Windsor Half Marathon
An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!
- 13.1 miles road running + 167 m ascent
- Sun 27 Sep
- From £25
Folkestone Rotary Half Marathon
This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
- 13.1 miles road running + 469 ft ascent
- Sat 10 Oct
- £35
The Hurt | 21km
The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.
- 21 km trail running + 1551 ft ascent