15

50K ultra runs in UK in May 2025

Find 50k ultra runs near me in UK in May 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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The first half of the Isle of Wight circuit explore 52km of scenic coastal trails, enjoy spectacular coastal views along the undulating route with plenty of rest stops to keep you well fuelled.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | 1st Half

The first half of the Isle of Wight circuit explore 52km of scenic coastal trails, enjoy spectacular coastal views along the undulating route with plenty of rest stops to keep you well fuelled.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 52 km trail running + 1100 m ascent
A NEW looped route setting out from the Chale basecamp, that gives you the best of the Island’s dramatic scenery along famous southern coastline to the iconic ‘Needles’.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge | Southern Loop

A NEW looped route setting out from the Chale basecamp, that gives you the best of the Island’s dramatic scenery along famous southern coastline to the iconic ‘Needles’.

  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 50 km trail running
Starting in Cowes, follow a clockwise route along the eastern side of the Isle of Wight, enjoying superb coastal views en route to the finish line at Chale.
  • Sat 3 May
  • £139
  • 13 charities
  • Sat 3 May
  • £139
  • 13 charities
Cowes, Isle of Wight, UK

Isle of Wight Ultra Challenge | 2nd Half

Starting in Cowes, follow a clockwise route along the eastern side of the Isle of Wight, enjoying superb coastal views en route to the finish line at Chale.

  • Enter online
  • Undulating
  • Hilly
  • Age 18 & over
  • 54 km trail running + 980 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
  • 14 charities
  • Sat 17 May
  • £139
  • 14 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
  • Undulating
  • 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
  • 14 charities
  • Sat 17 May
  • £139
  • 14 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
Walk, jog or run the journey from Capital to Coast, over the North and South Downs. A fully supported challenge leaving Richmond-upon-Thames for the finish line at Brighton Racecourse.
  • Sat 24 May
  • £199
  • 14 charities
  • Sat 24 May
  • £199
  • 14 charities
Richmond, UK

London 2 Brighton Ultra Challenge | Full 100km Continuous

Walk, jog or run the journey from Capital to Coast, over the North and South Downs. A fully supported challenge leaving Richmond-upon-Thames for the finish line at Brighton Racecourse.

  • 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
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
  • Fri 30 May
  • £62
  • Fri 30 May
  • £62
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Full Tilt Ultra

Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?

  • Chip timing
  • Enter online
  • Mountainous
  • Traffic free
  • Age 18 & over
  • 58 km trail running + 2026 m ascent
  • Sat 3 May
Norwich, Norfolk, UK

Weavers' Way Ultramarathons | 50K

  • 50 km trail running
  • Mon 5 May
Winchester, Hampshire, UK

BigWayRound - Winchester | 50K Ultra Marathon

  • 50 km trail running
  • Sat 10 May
Horsham, West Sussex, UK

Run to the Sea Brighton

  • 50 km multi terrain running
  • Sun 11 May
Naseby, Northamptonshire, UK

Shires and Spires | Ultra

  • 35 miles multi terrain running + 2052 ft ascent
  • Sun 25 May
Brighton, East Sussex, UK

UK Ultra South Downs 50K

  • 50 km trail running

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