Flat Marathons in UK in May 2026
Find flat marathons in UK 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 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Mon 4 May 2026
- £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.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Relay
- Age 18 & over
- 26.2 miles road running + 938 ft ascent
- Sun 17 May 2026
- £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.
- Beginner-friendly
- Enter online
- Flat
- Traffic free
- Event village
- Coast
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sat 23 - Sun 24 May 2026
- 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!
- Families
- Venue accessible
- Recycling
- Beginner-friendly
- Fancy dress
- Event village
- Urban
- Park
- Rural
- Coast
- Sustainability policy
- Public transport links
- Age 3 & over
- Marathon 2
- Half marathon
- 10K run
- 5K run
- Fun run 4
- Sun 24 May 2026
- £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.
- Enter online
- Flat
- PB
- Age 18 & over
- 26.2 miles trail running + 66 ft ascent
- Sun 31 May 2026
- £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?
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 18 & over
- 26.2 miles track and field