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50K ultra runs in UK

Find 50k ultra runs near me in UK 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.

Make it an active Easter on a challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.
  • Sat 12 Apr
  • £139
  • Sat 12 Apr
  • £139
Windsor, Berkshire, UK

Easter 50 Ultra Challenge | 50km

Make it an active Easter on a challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
  • 50 km trail running + 320 m ascent
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
  • Sat 26 Apr
  • £48.50
  • Sat 26 Apr
  • £48.50
Prestatyn, Clwyd, UK

North Wales 50K

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

  • Chip timing
  • Enter online
  • GPS tracking
  • Age 18 & over
  • 50 km trail running
Entries close soon
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
  • Sat 3 May
  • £139
  • Entries close soon
  • Sat 3 May
  • £139
  • Entries close soon
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | 1st Half

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 52 km trail running + 900 m ascent
Entries close soon
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
  • Sat 3 May
  • £139
  • Entries close soon
  • Sat 3 May
  • £139
  • Entries close soon
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | Southern 50

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 50 km trail running + 1025 m ascent
Get ready for the challenge of a lifetime at the Mallory Park 50K race! A unique and thrilling chance to race on the same legendary motor racing circuit that once hosted a Formula 1 event!
  • Sat 3 May
  • £57-£59
  • Sat 3 May
  • £57-£59
Kirkby Mallory, Leicestershire, UK

ATW Mallory Race Circuit 50K

Get ready for the challenge of a lifetime at the Mallory Park 50K race! A unique and thrilling chance to race on the same legendary motor racing circuit that once hosted a Formula 1 event!

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km multi terrain running
Entries close soon
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.
  • Sat 3 May
  • £139
  • Entries close soon
  • Sat 3 May
  • £139
  • Entries close soon
Cowes, Isle of Wight, UK

Isle of Wight Ultra Challenge | 2nd Half

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Hilly
  • Age 18 & over
  • 54 km trail running + 1000 m ascent
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 10 May
  • £58-£60
  • Sat 10 May
  • £58-£60
Wadhurst, East Sussex, UK

Bewl Water Spring | Ultra

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 50 km trail running
58km of beautiful trail, with ups and downs giving over 1600m of ascent on a gorgeous coastal route which visits some of the highlights of the Jurassic Coast.
  • Sat 17 May
  • £139
  • 16 charities
  • Sat 17 May
  • £139
  • 16 charities
Wareham, Dorset, UK

Jurassic Coast Ultra Challenge | 1st Half

58km of beautiful trail, with ups and downs giving over 1600m of ascent on a gorgeous coastal route which visits some of the highlights of the Jurassic Coast.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 58 km trail running + 1700 m ascent
A marathon distance challenge departing from Weymouth, visiting Chesil Beach and the West Dorset Heritage Coast en route to the finish line at Bridport.
  • Sat 17 May
  • £139
  • 16 charities
  • Sat 17 May
  • £139
  • 16 charities
Weymouth, Dorset, UK

Jurassic Coast Ultra Challenge | 2nd Half

A marathon distance challenge departing from Weymouth, visiting Chesil Beach and the West Dorset Heritage Coast en route to the finish line at Bridport.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 42 km trail running + 600 m ascent
The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
  • Sun 18 May
  • £75-£80
  • Sun 18 May
  • £75-£80
Keswick, Cumbria, UK

Keswick Mountain Festival | adidas TERREX 50K Trail Ultra Marathon

The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!

  • Newcomers
  • Music
  • Chip timing
  • Enter online
  • Mountainous
  • Event village
  • Age 18 & over
  • 50 km trail running + 1995 m ascent
Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!
  • Sat 24 May
  • £199
  • 14 charities
  • Sat 24 May
  • £199
  • 14 charities
Richmond, UK

London 2 Brighton Ultra Challenge | Full 100km Continuous

Leafy Richmond to sunny Brighton – over the North Downs and the South Downs, with some wonderful Surrey and Sussex countryside in between, fully supported all the way with a huge celebratory finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 1500 m ascent
Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
  • Sat 24 May
  • £34-£36
  • Sat 24 May
  • £34-£36
Buntingford, Hertfordshire, UK

Farmmageddon | Ultra Marathon

Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 32 miles trail running
100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported all the way with a celebratory finale!
  • Sun 1 - Sun 8 Jun
  • £199
  • 15 charities
  • Sun 1 - Sun 8 Jun
  • £199
  • 15 charities
Kendal, Cumbria, UK

Lake District Ultra Challenge | Full 100km continuous

100km of trails, high passes, stunning scenery, Ambleside, the magnificent Lake Windermere, nature reserves, forests and over 2,500m of ascent. Fully supported all the way with a celebratory finale!

  • Chip timing
  • Enter online
  • GPS tracking
  • Mountainous
  • Age 18 & over
  • 100 km trail running + 2500 m ascent
In its fifth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
  • Sun 1 Jun
  • £35.50-£37.50
  • Sun 1 Jun
  • £35.50-£37.50
Ware, Hertfordshire, UK

Circuit Du Sore Legs | Part Cinq | Ultra Marathon

In its fifth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 50 km track and field
From Kendal you'll head up the Longsleddale Valley over the Garburn Pass with stunning views, on to Windermere and Ambleside, round the west side of Lake Windermere to finish to a big welcome!
  • Sat 7 Jun
  • £139
  • 15 charities
  • Sat 7 Jun
  • £139
  • 15 charities
Kendal, Cumbria, UK

Lake District Ultra Challenge | 1st Half

From Kendal you'll head up the Longsleddale Valley over the Garburn Pass with stunning views, on to Windermere and Ambleside, round the west side of Lake Windermere to finish to a big welcome!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 50 km trail running + 1300 m ascent
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
  • Sat 7 Jun
  • £50
  • Sat 7 Jun
  • £50
Llangollen, Clwyd, UK

The Llangollen 50K

A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.

  • Newcomers
  • Enter online
  • Event village
  • Rural
  • Age 18 & over
  • 50 km trail running
From the west side of Lake Windermere on to the steep climb of Hampsfell to the flatter terrain on the Lyth Valley with some of the best views of the southern Lakes to a celebratory finale at Kendal!
  • Sat 7 - Sun 8 Jun
  • £139
  • 15 charities
  • Sat 7 - Sun 8 Jun
  • £139
  • 15 charities
Ulverston, Cumbria, UK

Lake District Ultra Challenge | 2nd Half

From the west side of Lake Windermere on to the steep climb of Hampsfell to the flatter terrain on the Lyth Valley with some of the best views of the southern Lakes to a celebratory finale at Kendal!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 1200 m ascent
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.
  • Sat 21 Jun
  • £80-£85
  • 4 charities
  • Sat 21 Jun
  • £80-£85
  • 4 charities
Chichester, West Sussex, UK

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
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.
  • Sat 21 Jun
  • £80-£85
  • 3 charities
  • Sat 21 Jun
  • £80-£85
  • 3 charities
Chichester, West Sussex, UK

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
65th edition! The Perambulation is Exmoor National Park’s iconic traditional self-navigated circular long-distance event dating back over 725 years and now you can run the full distance!
  • Sat 21 Jun
  • £30
  • Sat 21 Jun
  • £30
Minehead, Somerset, UK

Exmoor Perambulation | Ultra Trail Marathon

65th edition! The Perambulation is Exmoor National Park’s iconic traditional self-navigated circular long-distance event dating back over 725 years and now you can run the full distance!

  • Enter online
  • Age 16 & over
  • 30 miles trail running
The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!
  • Sat 12 Jul
  • £94.99-£104.99
  • Sat 12 Jul
  • £94.99-£104.99
Caernarfon, Gwynedd, UK

XTERRA Snowdonia Ultra Trail Marathon Eryri

The original Snowdonia Ultra Marathon. A beautiful route boasting stunning views, a hearty ascent of Yr Wyddfa (Snowdon) and a thrilling 7km descent to a heroes' welcome at the finish line!

  • Chip timing
  • Enter online
  • Mountainous
  • Age 20 & over
  • 57 km trail running + 2199 m ascent
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.
  • Sat 12 Jul
  • £139
  • 6 charities
  • Sat 12 Jul
  • £139
  • 6 charities
Guildford, Surrey, UK

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
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.
  • Sat 12 Jul
  • £85-£180
  • 6 charities
  • Sat 12 Jul
  • £85-£180
  • 6 charities
Watlington, Oxfordshire, UK

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
Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.
  • Sat 12 - Sun 13 Jul
  • £121.99-£251.99
  • Sat 12 - Sun 13 Jul
  • £121.99-£251.99
Caernarfon, Gwynedd, UK

Black Diamond Yr Wyddfa Snowdon24

Yr Wyddfa (Snowdon) is the highest mountain in England and Wales. Your challenge is to ascend and descend as many times as possible in 24 hours - solo or as a relay team.

  • Chip timing
  • Enter online
  • Mountainous
  • Relay
  • Age 18 & over
  • 24 hrs trail running
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.
  • Sun 13 Jul
  • £85-£180
  • 6 charities
  • Sun 13 Jul
  • £85-£180
  • 6 charities
Wantage, Oxfordshire, UK

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

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