Ultra runs in South East
Find ultra runs near me in South East for 2025/2026 - filter by date or location, 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 21 Sep
- £23-£35
Fraggle Run | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running + 0 ft ascent

- Sun 21 Sep
- £23-£35
Fraggle Run | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent

- Sun 21 Sep
- £23-£35
Fraggle Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a themed medal and goody bag!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 7 hrs trail running + 0 ft ascent

- Sat 27 Sep
- £139
Chiltern 50 Ultra Challenge | Full 50km
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 920 m ascent

- Sat 27 Sep
- £75
Fortitude Ultra | Denbies
10Hrs: 10 Laps: You-vs-You. Complete 10 laps of the ~3-mile, 4-mile or 5-mile loops in the given time through the scenic Denbies Wine Estate.
- Newcomers
- Enter online
- Hilly
- Traffic free
- Event village
- Rural
- Free venue entry
- Sustainability policy
- Age 20 & over
- 10 hrs trail running

- Sat 27 Sep
- £23-£35
Romp Run | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running + 0 ft ascent

- Sat 27 Sep
- £23-£35
Romp Run | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent

- Sat 27 Sep
- £23-£35
Romp Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a themed medal and goody bag!
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 7 hrs trail running + 0 ft ascent
- Fri 3 Oct
- £20-£27
Midweek Chasing Numbers Oct | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Fri 3 Oct
- £20-£27
Midweek Chasing Numbers Oct | Ultra 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
- 30.6 miles trail running + 0 ft ascent

- Sun 5 Oct
- £23-£35
The Autumn Lucky Dip Run | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running + 0 ft ascent

- Sun 5 Oct
- £23-£35
The Autumn Lucky Dip Run | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 30.6 miles road running + 0 ft ascent

- Sun 5 Oct
- £23-£35
The Autumn Lucky Dip Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a lucky dip medal and goody bag!
- Enter online
- Flat
- Traffic free
- Age 18 & over
- 7 hrs road running + 0 ft ascent

- Sat 11 Oct
- £139
Kent Downs 50 Ultra Challenge | 50km
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 16 & over
- 50 km trail running + 1000 m ascent

- Sat 25 Oct
- £70
Thames Trail Ultra
This 47-mile point-to-point along England’s longest river is one of the most popular events in the British ultra running calendar, boasting an interesting route and top runner reviews.
- Newcomers
- Enter online
- GPS tracking
- Event village
- Rural
- Age 18 & over
- 47 miles trail running + 913 ft ascent

- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | 30 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra Marathon but if you want to go easy, simply run a cool Marathon or Half Marathon, depending on how you feel on the day!
- Enter online
- Hilly
- Age 16 & over
- 30 miles multi terrain running + 6139 ft ascent
- Sat 25 Oct
- £23-£35
Scare Bear Run | 50K
Come and get involved in this spooky Scare Bear Run!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 25 Oct
- £23-£35
Scare Bear Run | Ultra Marathon
Come and get involved in this spooky Scare Bear Run!
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent

- Sun 9 Nov
- £26-£38
Remembrance Day Run | South | 50K
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 50K ultra, then a Remembrance medal, goody bag and special pin.
- Enter online
- Flat
- Age 20 & over
- 50 km trail running + 0 ft ascent

- Sun 9 Nov
- £26-£38
Remembrance Day Run | South | Ultra Marathon
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, an ultra run, then a Remembrance medal, goody bag and special pin.
- Enter online
- Flat
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent

- Sun 9 Nov
- £26-£38
Remembrance Day Run | South | Time Challenge
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 7-hour run, then a Remembrance medal, goody bag and special pin.
- Enter online
- Flat
- Age 18 & over
- 7 hrs trail running + 0 ft ascent
- Fri 14 Nov
- £20-£27
Midweek Chasing Numbers Nov | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Fri 14 Nov
- £20-£27
Midweek Chasing Numbers Nov | Ultra 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
- 30.6 miles trail running + 0 ft ascent

- Fri 14 Nov
- £73-£75
Kent Backyard Ultra | Round One: Vigo | 7 Hour Challenge
Not ready to run all night? You still might. The 7 Hour Challenge follows the exact same format, just capped at seven yards. It’s not a warm-up. It’s your first real taste of what this format demands.
- Chip timing
- Enter online
- Hilly
- Traffic free
- Age 16 & over
- 7 hrs trail running + 479 ft ascent
- Sat 8 Nov
Race to Remember | 76km
- 76 km multi terrain running + 2100 ft ascent