Flat Trail runs in South East
Find flat trail runs 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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- Sat 9 May
- £33-£55
Magna Carta Summer
The Magna Carta event are based in scenic Runnymede and right near the site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 10K run
- Half marathon
- Marathon
- Sun 10 May
- £15-£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!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 30 May
- £22
Silly Moo 7 Fun Run
A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!
- 7 km trail running
- Tue 7 Jul
- £16
Thursley Common 10K
Explore peaceful heathland trails on a guided run through Thursley National Nature Reserve, weaving through rare landscapes of open heath, boardwalks and woodland in the Surrey Hills.
- 10 km trail running
- Fri 11 - Sun 13 Sep
- £39-£199
Thames Path Ultra Challenge
England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!
- 100K ultra run 2
- 50K ultra run 2
- Trail run 4
- Charity walk 4
- Ultra run
- + 1 more race
- 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.
- 7 hrs trail running + 47 ft ascent
- Sun 8 Nov
- £20-£37
Remembrance Run | South
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 26 Dec
- £16-£35
Boxing Day Challenge
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Thu 14 May
- £8-£26
Dinton 5K & 10K Summer Series - Race 1
- Fun run
- 5K run
- 10K run
- Sat 23 May
- £42-£44
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Mon 8 Jun
- £18-£19
The Plough and Harrow Longman 10K Trail Run
- 10 km trail running
- Thu 18 Jun
- £8-£26
Dinton 5K & 10K Summer Series - Race 2
- Fun run
- 5K run
- 10K run
- Thu 16 Jul
- £8-£26
Dinton 5K & 10K Summer Series - Race 3
- Fun run
- 5K run
- 10K run
- Thu 13 Aug
- £8-£26
Dinton 5K & 10K Summer Series - Race 4
- Fun run
- 5K run
- 10K run
- Sun 11 Oct
- FREE-£25
Rushmoor Wellesley 10K, 5K & Fun Run
- Fun run
- 10K run
- 5K run