Ultra runs in South East
Find ultra runs near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 6 - Sun 7 Sep
- £199
- 14 charities
- Sat 6 - Sun 7 Sep
- £199
- 14 charities
South Coast Ultra Challenge | Full 100km continuous
The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent
- Sat 6 - Sun 7 Sep
- £199
- 13 charities
- Sat 6 - Sun 7 Sep
- £199
- 13 charities
South Coast Ultra Challenge | Full 100km over 2 days
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 100 km trail running + 2100 m ascent
- Sat 6 Sep
- £139
- 14 charities
- Sat 6 Sep
- £139
- 14 charities
South Coast Ultra Challenge | 1st Half
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 57 km trail running + 1250 m ascent
- Sat 6 - Sun 7 Sep
- £139
- 14 charities
- Sat 6 - Sun 7 Sep
- £139
- 14 charities
South Coast Ultra Challenge | 2nd Half
The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 43 km trail running + 850 m ascent
- Sat 13 Sep
- £60-£62
- Sat 13 Sep
- £60-£62
Bewl Water Autumn | Ultra
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
- Chip timing
- Enter online
- Hilly
- Age 20-80
- 50 km trail running + 1500 ft ascent
- Sat 13 Sep
- £169
- 17 charities
- Sat 13 Sep
- £169
- 17 charities
Thames Path Ultra Challenge | 3/4 Challenge
Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow the meandering waterway to Runnymede for a big celebration finish and hot meal at Henley on Thames.
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 72 km trail running + 60 m ascent
- Sat 13 - Sun 14 Sep
- £139
- 17 charities
- Sat 13 - Sun 14 Sep
- £139
- 17 charities
Thames Path Ultra Challenge | 2nd Half
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ!
- Chip timing
- Enter online
- GPS tracking
- Flat
- Age 18 & over
- 50 km trail running + 150 m ascent
- Sat 27 Sep
- £139
- 12 charities
- Sat 27 Sep
- £139
- 12 charities
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
- 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 11 Oct
- £139
- 6 charities
- Sat 11 Oct
- £139
- 6 charities
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
- 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
- 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 but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 30 miles multi terrain running + 6139 ft ascent
- Sun 26 Oct
- £26-£37.50
- Sun 26 Oct
- £26-£37.50
Running Tribe Races | Oct | 40 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques and kit.
- Enter online
- Hilly
- Age 16 & over
- 40 miles multi terrain running + 8613 ft ascent
- Sun 30 Nov
- £26-£37.50
- Sun 30 Nov
- £26-£37.50
Running Tribe Races | Nov | 40 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 40 miles multi terrain running + 8988 ft ascent
- Sun 14 Dec
- £26-£37.50
- Sun 14 Dec
- £26-£37.50
Running Tribe Races | Dec | 40 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 40 miles multi terrain running + 8464 ft ascent
- Sat 10 Jan 2026
- £80
- Sat 10 Jan 2026
- £80
Country to Capital Ultra
A fabulous 43-mile point-to-point race, well established as the season opener to the Ultra race calendar and always sells out. From the countryside along the Grand Union Canal into London.
- Recycling
- Newcomers
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Event village
- Age 18 & over
- 43 miles trail running + 1404 ft ascent
- Sat 24 Jan 2026
- £26-£37.50
- Sat 24 Jan 2026
- £26-£37.50
Running Tribe Races | Jan | 30 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 30 miles multi terrain running + 6139 ft ascent
- Sun 25 Jan 2026
- £26-£37.50
- Cancelled
- Sun 25 Jan 2026
- £26-£37.50
- Cancelled
Running Tribe Races | Jan | 40 Mile Ultra Marathon
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
- Enter online
- Hilly
- Age 16 & over
- 40 miles multi terrain running + 8613 ft ascent
- Sat 6 - Sun 7 Jun 2026
- £80
- 3 charities
- Sat 6 - Sun 7 Jun 2026
- £80
- 3 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
- Entertainment
- Music
- Ballot
- Chip timing
- Enter online
- Event village
- Event expo
- Park
- Free venue entry
- Sustainability policy
- Relay
- Age 16 & over
- 24 hrs multi terrain running
- Sat 20 Jun 2026
- £70
- 3 charities
- Sat 20 Jun 2026
- £70
- 3 charities
Race to the King | Coastal 50K
Flat and runnable without skimping on scenery, it offers spectacular views around Chichester Harbour, through the ancient fishing village of Bosham before gently climbing back onto the South Downs.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 461 m ascent
- Sat 20 Jun 2026
- £150
- 3 charities
- Sat 20 Jun 2026
- £150
- 3 charities
Race to the King | 100K Non-Stop
The full circuit takes in both the Coastal and Castle loops for a magnificent tour of the stunning South Downs. Steeped in history and uniquely varied, the 100K offers a course truly fit for royalty.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 1510 m ascent
- Sat 20 Jun 2026
- £70
- 3 charities
- Sat 20 Jun 2026
- £70
- 3 charities
Race to the King | Castle 50K
The ideal ‘next step’ on your ultra journey! Following an undulating course along the South Downs Way, the route passes by Arundel Castle before returning to West Dean via the Monarch's Way.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 50 km trail running + 1043 m ascent
- Sat 20 Jun 2026
- £120
- 1 charity
- Sat 20 Jun 2026
- £120
- 1 charity
Race to the King | 80K Non-Stop
A ‘stepping stone’ distance between the 50K and 100K routes, the 80K Non-Stop begins with a full circuit of the Coastal 50K route before completing the 30K Monarch’s Loop, finishing back at West Dean.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 80 km trail running + 1065 m ascent
- Sat 11 Jul 2026
- £80-£170
- 4 charities
- Sat 11 Jul 2026
- £80-£170
- 4 charities
Race to the Stones | Day One | Thames Valley 50K
Cross England’s longest river at the halfway mark before finishing with a triumphant climb towards the iconic Lattin Down Basecamp finish line.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sat 8 Nov
Race to Remember | 76km
- 76 km multi terrain running + 2100 ft ascent