Half marathons in South East in May 2026
Find half marathons in South East in May 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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- 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
- Fri 1 May
- £15-£27
Midweek Chasing Numbers May | 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 3 May
- £40-£42
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.
- 13.1 miles road running + 37 m ascent
- Mon 4 May
- £15-£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!
- 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.
- 13.1 miles road running + 518 ft ascent
- Sat 9 May
- £30-£35
The All Nations Triathlon, 5K, 10K and Half Marathon Run | Half Marathon
The All Nations run is a chance to don your country colours and feel like you are running for your country! Whatever your level of running, this event is open to all and a great one to be part of!
- 13.1 miles road running
- 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.
- 13.1 miles trail running + 70 ft ascent
- Sun 10 May
- £15-£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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 10 May
- £30-£35
Run Whitstable & Herne Bay May 5K, 10K and Half Marathon | Half Marathon
Run the beautiful Kent coastline from Whitstable to Herne Bay in this friendly spring event, offering a 10K for runners of all abilities.
- 13.1 miles road running
- 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
- Sun 3 May
- From £45
ABP Southampton Half Marathon
- 13.1 miles road running + 152 m ascent
- Sun 3 May
- £35
Three Forts Challenge | Half Marathon
- 13.1 miles multi terrain running + 1455 ft ascent
- Sun 10 May
- £40-£42
Goring Gap Trails | Run - Half Marathon
- 13.1 miles trail running + 102 m ascent
- Sun 10 May
- £40-£42
The Rathfinny Run 10.7K and Half Marathon | Half Marathon
- 21.4 km trail running
- Sat 16 May
- £119-£129.99
London West Spartan Trifecta Weekend | Beast 21K
- 21 km multi terrain running
- Sat 23 May
- £42-£44
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Sun 31 May
- £30-£40
Macknade Half Marathon & 10K | Half Marathon
- 13.1 miles multi terrain running