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 21 Jun
- £80-£85
- 4 charities
- Sat 21 Jun
- £80-£85
- 4 charities
Race to the King | Coastal 50K
A coastal trail ultra through the ancient village of Bosham towards Chichester Harbour with panoramic views of this AONB, to finish at the fantastic basecamp with food and bars.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 1885 ft ascent
- Sat 21 Jun
- £170-£180
- 4 charities
- Sat 21 Jun
- £170-£180
- 4 charities
Race to the King | 100K
Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 4619 ft ascent
- Sat 21 Jun
- £80-£85
- 3 charities
- Sat 21 Jun
- £80-£85
- 3 charities
Race to the King | Castle 50K
Head through the historic town of Arundel and witness the impressive Arundel Castle as you meander along the River Arun, across the South Downs in breathtaking surroundings.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Age 18 & over
- 50 km trail running + 2663 ft ascent
- Sat 12 Jul
- £139
- 6 charities
- Sat 12 Jul
- £139
- 6 charities
North Downs 50 Ultra Challenge | 50km
Join a mid-summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 830 m ascent
- Sat 12 Jul
- £85-£180
- 6 charities
- Sat 12 Jul
- £85-£180
- 6 charities
Race to the Stones | Day One | Thames Valley 50K
Starting in Lewknor, this event presents a varied and scenic route steeped in history. Crossing England’s longest river at the halfway mark, the course finishes at the iconic Lattin Down basecamp.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 710 m ascent
- Sat 12 Jul
- £180-£190
- 8 charities
- Sat 12 Jul
- £180-£190
- 8 charities
Race to the Stones | 100K Non-stop
Take on the full 100K ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route to finish at the 5000-year-old Avebury standing stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 12 Jul
- £260-£270
- 6 charities
- Sat 12 Jul
- £260-£270
- 6 charities
Race to the Stones | 100K Two Days with camping
Take on the full 100K Race to the Stones ultramarathon with an overnight stop at the all-inclusive Basecamp, meaning a good nights' sleep in between the 50K stints.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sat 12 Jul
- £170-£180
- Sat 12 Jul
- £170-£180
Race to the Stones | 100K Two Days no camping
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point (ideal if you'd prefer not to camp).
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 100 km trail running + 3704 ft ascent
- Sun 13 Jul
- £85-£180
- 6 charities
- Sun 13 Jul
- £85-£180
- 6 charities
Race to the Stones | Day Two | Ridgeline 50K
Sticking to higher ground, you'll pass through a surprisingly isolated stretch of southern England and enjoy dramatic views before finishing with the full 100K at the awesome Avebury Standing Stones.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 50 km trail running + 630 m ascent
- Sat 6 - Sun 7 Sep
- £199
- 15 charities
- Sat 6 - Sun 7 Sep
- £199
- 15 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
- 14 charities
- Sat 6 - Sun 7 Sep
- £199
- 14 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
- 15 charities
- Sat 6 Sep
- £139
- 15 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
- 15 charities
- Sat 6 - Sun 7 Sep
- £139
- 15 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
- Sat 13 Sep
- £169
- 18 charities
- Sat 13 Sep
- £169
- 18 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
- 18 charities
- Sat 13 - Sun 14 Sep
- £139
- 18 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
- 13 charities
- Sat 27 Sep
- £139
- 13 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 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
- £26-£37.50
- Sat 25 Oct
- £26-£37.50
Running Tribe Races | Oct | 40 Mile Ultramarathon
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
- Undulating
- Age 18 & over
- 40 miles multi terrain running
- Sat 8 Nov
- £85-£175
- Sat 8 Nov
- £85-£175
Race to Remember | 76km
Test yourself on an ultramarathon - one of the most poignant challenges of the year - to honour the servicemen and women who have sacrificed so much for our nation.
- Enter online
- Undulating
- Age 16 & over
- 76 km multi terrain running + 2100 ft ascent
- Sun 30 Nov
- £26-£37.50
- Sun 30 Nov
- £26-£37.50
Running Tribe Races | Nov | 40 Mile Ultramarathon
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
- Undulating
- Age 18 & over
- 40 miles multi terrain running
- Sun 14 Dec
- £26-£37.50
- Sun 14 Dec
- £26-£37.50
Running Tribe Races | Dec | 40 Mile Ultramarathon
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
- Undulating
- Age 18 & over
- 40 miles multi terrain running