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Flat Half marathons in May 2026

Find flat half marathons near me 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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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
  • 4 charities
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.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 37 m ascent
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!
  • Mon 4 May
  • £20-£27
Staines, Surrey, UK

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
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.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 518 ft ascent
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.
  • Sat 9 May
  • £43-£45
Egham, Surrey, UK

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
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!
  • Sun 10 May
  • £16-£35
Staines, Surrey, UK

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
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?
  • Sat 16 May
  • £16-£35
Staines, Surrey, UK

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
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 17 May
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 3 | Good Vibrations

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs road running
Just before the Marathon, the Half follows the same fast and flat route from the iconic castle and city sights to the coast for an explosive finish and offers genuine PB potential.
  • Sun 24 May
  • FREE-£40
  • 10 charities
Edinburgh, UK

Edinburgh Half Marathon

Just before the Marathon, the Half follows the same fast and flat route from the iconic castle and city sights to the coast for an explosive finish and offers genuine PB potential.

  • Chip timing
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running + 76 m ascent
Based out of East Hull this half marathon will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.
  • Sun 24 May
  • £30-£32
Hull, East Yorkshire, UK

Get the Hull out of Here | Half Marathon

Based out of East Hull this half marathon will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.

  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles trail running
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?
  • Sat 30 May
  • £18-£35
Aberdare, Mid Glamorgan, UK

Rocky at 50 Run | Wales

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
  • Park
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
The city’s original and best-loved running event! It's a party from start to finish with a high-energy soundtrack and live music. Over 99% of Manchester runners say they’d recommend it to a friend.
  • Sun 31 May
  • £52-£55
  • 10 charities
Manchester, Greater Manchester, UK

Great Manchester Run Half Marathon

The city’s original and best-loved running event! It's a party from start to finish with a high-energy soundtrack and live music. Over 99% of Manchester runners say they’d recommend it to a friend.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
  • Sun 31 May
  • £34-£36
Ware, Hertfordshire, UK

Circuit Du Sore Legs | Half Marathon

In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 13.1 miles track and field
  • Sat 9 May
Windsor, Buckinghamshire, UK

The All Nations 5K, 10K and Half Marathon Run | Half Marathon

  • 13.1 miles road running
  • Sun 10 May
Richmond, UK

Ranelagh Half Marathon

  • 13.1 miles road running + 84 m ascent
  • Sun 10 May
Bibione, Italy

Bibione Half Marathon

  • 21 km road running
  • Sun 10 May
Wirral, Merseyside, UK

Love 2 Run | Half Marathon

  • 13.1 miles road running
  • Sun 10 May
Hereford, Herefordshire, UK

RUN Hereford | Half Marathon

  • 13.1 miles road running + 81 m ascent
  • Sat 16 May
Lido di Jesolo, Italy

Jesolo Moonlight Half Marathon

  • 21.1 km trail running
  • Sun 17 May
Riga, Latvia

Rimi Riga Marathon | Half Marathon

  • 21 km road running
  • Sun 17 May
Salzburg, Austria

PUMA Salzburg Marathon | Salzburger Sparkasse Half Marathon

  • 21.1 km road running
  • Sat 23 May
Eastbourne, East Sussex, UK

Seven Sisters Half Marathon

  • 13.1 miles trail running + 2057 ft ascent

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