Trail Marathons in South East
Find trail 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 25 Oct
- £23-£35
Scare Bear Run | Marathon
Get involved in this spooky marathon! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sun 2 Nov
- £46
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 + 2979 ft ascent
- Sun 9 Nov
- £26-£38
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 + 0 ft ascent
- Fri 14 Nov
- £20-£27
Midweek Chasing Numbers Nov | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sun 16 Nov
- £23-£25
Smurf Run | Marathon
Come and join the day of running and aim to complete a marathon at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sun 23 Nov
- £23-£35
Lord of The Run Part 3 | Marathon
Get involved in this Lord of the Run Part 3 (LOTR) style run. Whether you love or hate it, come join in anyway by going on an Adventure across the Thames!
- Enter online
- Age 18 & over
- 26.2 miles road running + 0 ft ascent
- Fri 5 Dec
- £20-£27
The Christmas Jumper Jaunt | Marathon
Join a December midweek marathon and wear your most over-the-top Christmas jumper (optional) then receive a themed medal and goody bag too!
- Enter online
- Flat
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | Marathon
Welcome to a 7-hour timed running event where you can run a 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 18 & over
- 26.2 miles trail running + 0 ft ascent
- Thu 25 Dec
- £23-£35
Christmas Day Cracker Run | Marathon
Come and join the morning of running and aim to complete a marathon at your own pace on a scenic course with Christmas Dinner on route, present, themed medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Fri 26 Dec
- £28-£30
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 27 Dec
- £23-£35
Year End Time Turner | Marathon
Come and join the day of running and aim to complete a marathon within the 7-hour time limit, on a scenic course then receive a fantastic pick and mix medal and goody bag at the finish!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Wed 31 Dec
- £33-£35
River Thames Run | Marathon
Come and join the day of running and aim to complete a marathon within the 6-hour time limit on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Thu 1 Jan 2026
- £23-£35
New Years Day Run | Marathon
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 3 Jan 2026
- £33-£35
Rhino Run | Marathon
Welcome to a 6-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a Rhino medal and goody bag at the finish.
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Fri 9 Jan 2026
- £20-£27
Midweek Chasing Numbers Jan | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 10 Jan 2026
- £23-£35
The Rise From The Ashes Run - South | Marathon
Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 24 Jan 2026
- £23-£35
The Winter Lucky Dip Run | Marathon
Come and join in Winter 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!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Fri 6 Feb 2026
- £20-£27
Midweek Chasing Numbers Feb | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 7 Feb 2026
- £23-£35
The Highland Hotfoot | Marathon
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 14 Feb 2026
- £23-£35
The Racoon Rocket Run | Marathon
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 21 Feb 2026
- £53-£55
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 18-80
- 26.2 miles trail running + 150 ft ascent
- Sat 21 Feb 2026
- £23-£35
The Rubber Ducky Dash | Marathon
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 28 Feb 2026
- £23-£35
The Giraffe Gallop | Marathon
There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Fri 6 Mar 2026
- £20-£27
Midweek Chasing Numbers Mar | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sat 7 Mar 2026
- £23-£35
The Panda Plod | Marathon
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent