Trail Marathons in South East
Find trail marathons in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 10 May
- £16-£35
The Spring Lucky Dip Run
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 6 - Sun 7 Jun
- £95-£105
- Team places only
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?
Team places only
- 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
- £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
- £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 25 Oct
- £37.50-£39.50
Wight Lines
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
- Beginner-friendly
- Enter online
- Flat
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs trail running + 47 ft ascent
- Sun 1 Nov
- £47
Wendover Woods Marathon
An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!
- Enter online
- Undulating
- Age 18 & over
- 26.2 miles trail running + 2966 ft ascent
- Sun 8 Nov
- £25-£37
Remembrance Day Run | South | Marathon
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a marathon, then a Remembrance medal, a goody bag and a special pin.
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running
- Sun 18 Jan
South Downs & Arundel Marathon & 15 Mile Winter Trails | Marathon
- 26.2 miles trail running
- Sat 7 Mar
EnduranceLife - Sussex | Marathon
- 26.2 miles road running + 4196 ft ascent
- Sun 14 Jun
The Hampshire Hoppit | Marathon
- 26.2 miles trail running + 650 m ascent