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Flat Marathons in South East in May 2026
Find flat 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.
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- Mon 4 May 2026
- £20-£27
Staines, Surrey, UK
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
Milton Keynes, Buckinghamshire, UK
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