50K ultra marathons

50K ultra marathons

Don't be fooled by the distance, these shorter ultra runs can still be brutal!

51 50K ultra runs in the UK

The shortest of the common ultra distances at just over 30 miles, 50K ultra marathons are the best introduction to ultra running. But the distance is not always the key challenge with ultra runs - the total ascent gives a much better indication of how hard it will be. Select your location to find 50K ultra runs in your area or scroll down to browse events coming up.

50K ultra runs in 2023

Featured events are listed below - select your region to see all events.

50K ultra runs in 2024

Featured events are listed below - select your region to see all events.

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.
  • Sun 5 May 2024
  • £129
  • 6 charities
Ventnor, Isle of Wight, UK

Isle of Wight 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.

  • 54 km trail running + 1100 m ascent
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.
  • Mon 6 May 2024
  • £129
  • 6 charities
Cowes, Isle of Wight, UK

Isle of Wight 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.

  • 52 km trail running + 980 m ascent
A 56km challenge, taking in around 750m of ascent, initially following the path of the River Thames, before exploring the North Downs en route to the finish at Turners Hill
  • Sat 25 May 2024
  • £139
  • 8 charities
Richmond, UK

London 2 Brighton Challenge | 1st Half

A 56km challenge, taking in around 750m of ascent, initially following the path of the River Thames, before exploring the North Downs en route to the finish at Turners Hill

  • 56 km trail running + 760 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 25 May 2024
  • £198
  • 8 charities
Richmond, UK

London 2 Brighton 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.

  • 100 km trail running + 1490 m ascent
The second half distance option of the London to Brighton Challenge starts from Turners Hill, crossing the South Downs National Park before arriving at Brighton.
  • Sat 25 May 2024
  • £139
  • 8 charities
Crawley, West Sussex, UK

London 2 Brighton Challenge | 2nd Half

The second half distance option of the London to Brighton Challenge starts from Turners Hill, crossing the South Downs National Park before arriving at Brighton.

  • 44 km trail running + 730 m ascent
Take on the first half of the full 100km challenge, starting from Basecamp in Kendal to the far side of the beautiful Lake Windermere.
  • Sat 8 Jun 2024
  • £139
  • 7 charities
Kendal, Cumbria, UK

Lake District Challenge | 1st Half

Take on the first half of the full 100km challenge, starting from Basecamp in Kendal to the far side of the beautiful Lake Windermere.

  • 49 km trail running + 1300 m ascent
Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.
  • Sat 8 Jun 2024
  • £198
  • 7 charities
Kendal, Cumbria, UK

Lake District Challenge | Full 100km continuous

Take on the full 100km challenge, starting from Kendal Base Camp, a fully supported ultra. making a glorious loop of the spectacular south Lakes.

  • 100 km trail running + 2500 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 15 Jun 2024
  • £65-£80
  • 3 charities
Chichester, West Sussex, UK

Dulux Race to the King | 50K Saturday

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.

  • 50 km trail running + 1885 ft ascent
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.
  • Sat 22 Jun 2024
  • £139
  • 9 charities
Cirencester, Gloucestershire, UK

Cotswold Way Challenge | 1st 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.

  • 53 km trail running + 1630 m ascent
The half-distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
  • Sat 6 Jul 2024
  • £139
  • 7 charities
Bakewell, Derbyshire, UK

Peak District Challenge | 1st Half

The half-distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.

  • 50 km trail running + 1400 m ascent
The half distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.
  • Sat 6 Jul 2024
  • £139
  • 7 charities
Bakewell, Derbyshire, UK

Peak District Challenge | 2nd Half

The half distance option of the Peak District Challenge, making a loop from Bakewell Basecamp exploring 50km of picturesque Derbyshire scenery.

  • 50 km trail running + 1050 m ascent
Spectacular trail running event featuring the Brecon and Monmouthshire Canal, the Llangattock Escarpment, Black Mountains, Sugar Loaf and Brecon Beacons with full support, top reviews and epic medals!
  • Sat 10 Aug 2024
  • £75
Crickhowell, Powys, UK

Beast of Llangattock Trail Running Challenge | Ultra 32 Mile

Spectacular trail running event featuring the Brecon and Monmouthshire Canal, the Llangattock Escarpment, Black Mountains, Sugar Loaf and Brecon Beacons with full support, top reviews and epic medals!

  • 50 km trail running + 4842 ft ascent
An exciting and spectacular event starting near Table Mountain and exploring the nearby Black Mountains, with incredible support guaranteed.
  • Sat 28 Sep 2024
  • £40
Crickhowell, Powys, UK

Beacons to the Blacks | 12K

An exciting and spectacular event starting near Table Mountain and exploring the nearby Black Mountains, with incredible support guaranteed.

  • 12 km trail running

50K ultra runs near you

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