Marathons in South East
Find marathons in South East in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 6 - Sun 7 Jun 2026
- £80
- 2 charities
Endure24 | Reading
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
- Dogs allowed at venue
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- Event village
- Event expo
- Park
- Free venue entry
- Sustainability policy
- Relay
- Age 18 & over
- 24 hrs multi terrain running
- Sat 13 Jun 2026
- £53-£55
Bewl Water Summer | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18-80
- 26.2 miles trail running + 1420 ft ascent
- Sat 12 Sep 2026
- £53-£55
Bewl Water Autumn | Marathon
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
- Chip timing
- Enter online
- Hilly
- Age 18-80
- 26.5 miles trail running + 1420 ft ascent
- Sun 4 Oct 2026
- £23-£26
- Early bird
The Isle of Wight Marathon
The Isle of Wight Marathon celebrates its 70th Anniversary in 2026! It has been run continuously since 1957, making it the longest-running (and one of the first to be held) in the UK.
Early bird on now
- Newcomers
- Chip timing
- Enter online
- Undulating
- Event village
- Rural
- Age 18 & over
- 26.2 miles road running + 350 m ascent
- Sun 9 Nov
Remembrance Day Marathon & Half Marathon | Marathon
- 26.2 miles trail running
- Sun 7 Dec
Running GP at Goodwood Motor Circuit | Marathon
- 26.2 miles road running
- Sun 21 Dec
Portsmouth Coastal Waterside Marathon Events | Portsmouth Coastal Waterside Marathon
- 26.2 miles multi terrain running
- Sun 28 Dec
Year End Marathon & Half Marathon | Marathon
- 26.2 miles trail running
- Sat 7 Mar 2026
EnduranceLife - Sussex | Marathon
- 26.2 miles road running + 4196 ft ascent
- Sun 22 Mar 2026
Y2Y North Downs Trek / Run | Marathon Run
- 26.2 miles road running + 3025 ft ascent
- Sun 3 May 2026
Three Forts Challenge | Marathon
- 26.2 miles multi terrain running + 3195 ft ascent
- Sun 14 Jun 2026
The Hampshire Hoppit | Marathon
- 26.2 miles trail running + 650 m ascent
- Sun 13 Sep 2026
The Garmin New Forest Marathon | Full Marathon
- 26.2 miles multi terrain running + 160 ft ascent