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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- Sat 7 Mar 2026
- £73-£75
- Sat 7 Mar 2026
- £73-£75
Kent Backyard Ultra | Round Three: Sholden | 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
- Flat
- Traffic free
- Age 16 & over
- 7 hrs trail running + 0 ft ascent
- Sat 7 Mar 2026
- £113-£115
- Sat 7 Mar 2026
- £113-£115
Kent Backyard Ultra | Round Three: Sholden | Full Challenge
The Backyard Ultra format is simple: Run a 4.167-mile loop (a “yard”) every hour, on the hour, until only one runner remains. Finish within 60 minutes to stay in. Miss the bell, and you're out.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 16 & over
- 1 day trail running + 0 ft ascent
- Sat 14 Mar 2026
- £23-£35
- Sat 14 Mar 2026
- £23-£35
The Sloth Scamper | 50K
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 14 Mar 2026
- £23-£35
- Sat 14 Mar 2026
- £23-£35
The Sloth Scamper | Ultra Marathon
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent
- Sat 21 Mar 2026
- £23-£35
- Sat 21 Mar 2026
- £23-£35
The Flying Fox | 50K
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 21 Mar 2026
- £23-£35
- Sat 21 Mar 2026
- £23-£35
The Flying Fox | Ultra Marathon
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent
- Sun 29 Mar 2026
- £26-£37.50
- Sun 29 Mar 2026
- £26-£37.50
Running Tribe Races | Mar | 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 + 9006 ft ascent
- Thu 2 Apr 2026
- £23-£35
- Thu 2 Apr 2026
- £23-£35
Eggcellent Easter Orange Run | 50K
The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Thu 2 Apr 2026
- £23-£35
- Thu 2 Apr 2026
- £23-£35
Eggcellent Easter Orange Run | Ultra Marathon
The Eggcellent Easter Orange Run is the first event in the five day series where you can earn the fantastic easter egg medal in orange!
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent
- Fri 3 Apr 2026
- £23-£35
- Fri 3 Apr 2026
- £23-£35
Eggcellent Easter Pink Run | 50K
The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 3 Apr 2026
- £23-£35
- Fri 3 Apr 2026
- £23-£35
Eggcellent Easter Pink Run | Ultra Marathon
The Eggcellent Easter Pink Run is the second event in the five day series where you can earn the fantastic easter egg medal, this time in pink!
- Enter online
- Age 18 & over
- 30.6 miles trail running + 0 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
- £75
- 4 charities
- Sat 20 Jun 2026
- £75
- 4 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
- £75
- 4 charities
- Sat 20 Jun 2026
- £75
- 4 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
- £165
- 4 charities
- Sat 20 Jun 2026
- £165
- 4 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
- £125
- 2 charities
- Sat 20 Jun 2026
- £125
- 2 charities
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
- Fri 26 Jun 2026
- £113-£115
- Fri 26 Jun 2026
- £113-£115
Kent Backyard Ultra | Round Four: Bedgebury
Backyard Ultra is simple: You run a 4.167-mile loop, known as a “yard” every hour, on the hour. You must finish within 60 minutes and be back in the starting corral ready to go again.
- Newcomers
- Chip timing
- Enter online
- Undulating
- Traffic free
- Event village
- Rural
- Age 16 & over
- 1 day trail running + 305 ft ascent
- Sat 11 Jul 2026
- £180
- 7 charities
- Sat 11 Jul 2026
- £180
- 7 charities
Race to the Stones | 100K Non-stop
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £255
- 4 charities
- Sat 11 Jul 2026
- £255
- 4 charities
Race to the Stones | 100K Over Two Days
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £165
- Sat 11 Jul 2026
- £165
Race to the Stones | 100K Two Days no camping
Explore the Ridgeway, Britain’s oldest road, along a remarkably isolated and unspoilt corner of Southern England with sweeping chalk downs, ancient forests and the Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 11 Jul 2026
- £85-£175
- 5 charities
- Sat 11 Jul 2026
- £85-£175
- 5 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
- Sun 12 Jul 2026
- £85-£175
- 5 charities
- Sun 12 Jul 2026
- £85-£175
- 5 charities
Race to the Stones | Day Two | Ridgeline 50K
An ideal choice for your first ultramarathon. Enjoy dramatic views of the vale to your north before finishing at the iconic Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent
- Sun 7 Sep
The Sufferings | Ultra
- 39 miles trail running + 2126 ft ascent