Flat Marathons in May 2026
Find flat 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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- Mon 4 May
- £20-£27
Bank Holiday Madness May | Marathon
Come and join the day of running and aim to complete a midweek marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- 26.2 miles trail running
- Mon 4 May
- £50-£60
MK Marathon
A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.
- 26.2 miles road running + 938 ft ascent
- Sat 9 May
- £53-£55
Magna Carta Summer | Marathon
The Magna Carta 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.
- 26.35 miles trail running + 150 ft ascent
- Sun 10 May
- £23-£35
The Spring Lucky Dip Run | Time Challenge
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!
- 7 hrs trail running
- Sat 16 May
- £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?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 17 May
- £37.50-£39.50
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.
- 7 hrs road running
- Sat 23 - Sun 24 May
- FREE-£176
Edinburgh Marathon Festival
Experience Edinburgh's festival of running on Bank Holiday weekend! With nine distances on offer there's something for everyone - come and smash your PB at the marathon, previously voted UK's fastest!
- Marathon 2
- Half marathon
- 10K run
- 5K run
- Fun run 4
- Sun 24 May
- £35
Sanlam Cape Town Marathon
Run an unforgettable journey through Cape Town’s iconic landscapes, from mountain to sea—embrace world-class competition, vibrant culture, and the ultimate test of human endurance.
- 26.2 miles road running + 160 m ascent
- Sun 24 May
- £40-£42
Get the Hull out of Here | Marathon
Based out of East Hull this 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.
- 26.2 miles trail running
- Sat 30 May
- £18-£35
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?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 31 May
- £36-£38
Circuit Du Sore Legs | Full 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?
- 26.2 miles track and field
- Sun 17 May
- €90-€105
PUMA Salzburg Marathon | PUMA Salzburg Marathon
- 42.2 km road running