Flat Half marathons in South East in Winter
Find flat half 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 5 Dec
- £20-£27
The Christmas Jumper Jaunt | Half Marathon
Join a December midweek half marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | Half Marathon
Welcome to a 7-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 0 ft ascent
- Fri 26 Dec
- £28-£30
Boxing Day Challenge | Half Marathon
Come and join the day of running and aim to complete a half 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 17 & over
- 13.1 miles trail running + 0 ft ascent
- Sun 15 Feb 2026
- £35-£37
Hampton Court Half Marathon
This is the original Hampton Court Half Marathon and is run over a fast, flat and interesting course that borders the river-side grounds of the magnificent palace with King Henry VIII cheering on!
- Newcomers
- Entertainment
- Music
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Rural
- Age 17 & over
- 13.1 miles road running
- Sat 21 Feb 2026
- £43-£45
Magna Carta Winter | 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
- Traffic free
- Age 17-80
- 13.1 miles trail running + 110 ft ascent
- Sun 7 Dec
Running GP at Goodwood Motor Circuit
- 5K run
- 10K run
- Half marathon 2
- Marathon
- 50K ultra run
- Sun 7 Dec
Milton Keynes Winter Half Marathon
- 13.1 miles road running + 415 ft ascent
- Sun 21 Dec
Portsmouth Coastal Waterside Marathon Events | Festive Half Marathon
- 13.1 miles multi terrain running
- Sun 28 Dec
Year End Marathon & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sun 22 Feb 2026
David Cliff Wokingham Half Marathon | Half Marathon
- 13.1 miles road running