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Flat Marathons in South East in Winter
Find flat marathons in South East in Winter - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Fri 26 Dec
- £33-£35
Egham, Surrey, UK
Boxing Day Challenge | Marathon
Come and join the day of running and aim to complete a marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 21 Feb 2026
- £53-£55
Egham, Surrey, UK
Magna Carta Winter | 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.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 17-80
- 26.2 miles trail running + 150 ft ascent
- Sun 21 Dec
Southsea, Hampshire, UK
Portsmouth Coastal Waterside Marathon Events | Portsmouth Coastal Waterside Marathon
- 26.2 miles multi terrain running
- Sun 28 Dec
Walton-on-Thames, Surrey, UK
Year End Marathon & Half Marathon | Marathon
- 26.2 miles trail running