8

Road Half marathons in South East in May 2026

Find road 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 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.

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.
  • Sun 3 May
  • £36-£42
Worthing, West Sussex, UK

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
  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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.
  • Mon 4 May
  • £40-£50
Milton Keynes, Buckinghamshire, UK

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
  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
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!
  • Sat 9 May
  • £30-£35
Windsor, Buckinghamshire, UK

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
  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
Run the beautiful Kent coastline from Whitstable to Herne Bay in this friendly spring event, offering a 10K for runners of all abilities.
  • Sun 10 May
  • £30-£35
Herne Bay, Kent, UK

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
  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
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 a half marathon?
  • Sat 16 May
  • £23-£35
Staines, Surrey, UK

Rocky at 50 Run | Half Marathon

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 a half marathon?

  • 13.1 miles road running
  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • Sun 3 May
  • From £45
Southampton, Hampshire, UK

ABP Southampton Half Marathon

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

Run Gatwick | Half Marathon

  • 13.1 miles road running
  • Fri 29 May
  • £20-£27
Staines, Surrey, UK

Midweek Medal Madness | Leons Birthday Run | Half Marathon

  • 13.1 miles road running

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.