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.
Filter by date
This week
This weekend
Next week
Next weekend
Dec
Jan
Feb
Mar
Apr
Jun
Jul
Aug
Sep
Oct
Nov
Winter
Spring
Summer
Autumn
All dates
Filter by place
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 3 May 2026
- £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 2026
- £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 2026
- £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 2026
- £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 2026
- £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 2026
- £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 2026
- £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
- Fri 1 May 2026
Midweek Chasing Numbers May | Half Marathon
- 13.1 miles trail running
- Sun 3 May 2026
Three Forts Challenge | Half Marathon
- 13.1 miles multi terrain running + 1455 ft ascent
- Sat 9 May 2026
The All Nations 5K, 10K and Half Marathon Run | Half Marathon
- 13.1 miles road running
- Sun 10 May 2026
Goring Gap Trails | Run - Half Marathon
- 13.1 miles trail running + 102 m ascent
- Sat 16 May 2026
London West Spartan Trifecta Weekend | Beast 21K
- 21 km multi terrain running
- Sat 23 May 2026
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Fri 29 May 2026
Midweek Medal Madness | Leons Birthday Run | Half Marathon
- 13.1 miles road running