Ultra marathons

Ultra marathons

If the standard marathon at 26.2 miles is just not long enough for you, try an ultra run.

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Ultra runs in the UK

Ultra marathons are any run longer than a marathon (26.2 miles or 42.2 km) - the most common distances are 50K, 100K and 100 miles. Despite this, 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 a specific distance, your location for ultra runs in your area or scroll down to browse events.

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Ultra runs in 2024

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

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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
  • £75
  • Entries close soon
Chichester, West Sussex, West Sussex, UK

Race to the King | 50K Coastal

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
Entries close soon
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.
  • Sat 15 - Sun 16 Jun
  • £165
  • Entries close soon
Chichester, West Sussex, West Sussex, UK

Race to the King | 100K Non-stop

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.

  • 100 km trail running + 4619 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 15 Jun
  • £75
Chichester, West Sussex, West Sussex, UK

Race to the King | 50K Castle

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.

  • 50 km trail running + 2663 ft ascent
Starting at Aber Falls Distillery on the North Wales coast, this fully waymarked route takes in 14 of the Welsh 3000ft peaks, in an epic North-South traverse of 52km & 3,900m+
  • Sat 22 Jun
  • £119
Llanfairfechan, Gwynedd, UK

Rab 14 Peaks Ultra

Starting at Aber Falls Distillery on the North Wales coast, this fully waymarked route takes in 14 of the Welsh 3000ft peaks, in an epic North-South traverse of 52km & 3,900m+

  • 52 km trail running + 3900 m ascent
Entries close soon
From the idyllic basecamp hub in Bakewell, charity challengers will head into the fabulous Peak District National Park on a route from 10 miles right up to the full 100km with full support!
  • Sat 6 - Sun 7 Jul
  • £10
  • Entries close soon
Bakewell, Derbyshire, UK

Peak District Ultra Challenge

From the idyllic basecamp hub in Bakewell, charity challengers will head into the fabulous Peak District National Park on a route from 10 miles right up to the full 100km with full support!

  • 1 day trail running
Take on the first half of the UK's favourite ultramarathon and wander through woodland before coming down into the renowned ‘field of dreams’, to finish at the fantastic basecamp with food and bars.
  • Sat 13 Jul
  • £85
  • 4 charities
Watlington, Oxfordshire, UK

Race to the Stones | 50K Saturday

Take on the first half of the UK's favourite ultramarathon and wander through woodland before coming down into the renowned ‘field of dreams’, to finish at the fantastic basecamp with food and bars.

  • 50 km trail running + 1973 ft ascent
Take on the full 100K Race to the Stones ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route.
  • Sat 13 Jul
  • £175
  • 4 charities
Watlington, Oxfordshire, UK

Race to the Stones | 100K Non-stop

Take on the full 100K Race to the Stones ultramarathon in one go. Fully supported through day and night on an incredibly scenic and historic route.

  • 100 km trail running + 3704 ft ascent
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.
  • Sat 13 Jul
  • £255
  • 3 charities
Watlington, Oxfordshire, UK

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.

  • 100 km trail running + 3704 ft ascent
Take on the full Race to the Stones 100K ultramarathon over two days, making your own arrangements for overnight accommodation at the halfway point.
  • Sat 13 Jul
  • £165
Watlington, Oxfordshire, UK

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.

  • 100 km trail running + 3704 ft ascent
Starting from Basecamp, race 50K to complete the second day of Race to the Stones through the North Wessex Downs to the finish line at the incredible Avebury Stone Circle.
  • Sun 14 Jul
  • £85
  • 3 charities
Wantage, Oxfordshire, UK

Race to the Stones | 50K Sunday

Starting from Basecamp, race 50K to complete the second day of Race to the Stones through the North Wessex Downs to the finish line at the incredible Avebury Stone Circle.

  • 50 km trail running + 1731 ft ascent
Challenge yourself for charity on the famous coastal path and Exmoor from the base camp in the shadows of Dunster Castle with distances from 10K right up to 50km there's something for everyone!
  • Sat 3 Aug
  • £10-£30
  • 8 charities
Minehead, Somerset, UK

South West Coast 50 Ultra Challenge

Challenge yourself for charity on the famous coastal path and Exmoor from the base camp in the shadows of Dunster Castle with distances from 10K right up to 50km there's something for everyone!

  • 1 day trail running
A major event in the East Anglian running calendar, attracting a large field of runners of all abilities to the winter residence of The Royal Family, to run a 24-hour race around the estate.
  • Sat 10 - Sun 11 Aug
  • £70-£80
Sandringham, Norfolk, UK

Run Sandringham 24

A major event in the East Anglian running calendar, attracting a large field of runners of all abilities to the winter residence of The Royal Family, to run a 24-hour race around the estate.

  • 24 hrs trail running
The South Downs National Park is a superb backdrop for a real charity challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!
  • Sat 7 - Sun 8 Sep
  • £10-£40
  • 11 charities
Eastbourne, East Sussex, UK

South Coast Ultra Challenge

The South Downs National Park is a superb backdrop for a real charity challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!

  • 1 day trail running
England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' charity challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!
  • Fri 13 - Sun 15 Sep
  • £10-£40
  • 13 charities
London, UK

Thames Path Ultra Challenge

England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' charity challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!

  • 1 day trail running
An end-of-season looped charity challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.
  • Sat 28 Sep
  • £10-£30
  • 6 charities
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge

An end-of-season looped charity challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.

  • 1 day trail running
3 marathons in 3 days! The original and best format for conquering the Atlantic Coast. Run, jog or walk a fully-supported marathon each day for 3 days with meals and a good nights' rest in between.
  • Fri 4 - Sun 6 Oct
  • £200
Hayle, Cornwall, UK

Atlantic Coast Challenge | Full 3 Days

3 marathons in 3 days! The original and best format for conquering the Atlantic Coast. Run, jog or walk a fully-supported marathon each day for 3 days with meals and a good nights' rest in between.

  • 128.7 km trail running
Starts in Newquay and follow the coast all the way down to finish at the beautiful St Ives Bay, pitting your mental and physical prowess against some of the most scenic coastlines in Britain.
  • Sat 5 Oct
  • £90
Hayle, Cornwall, UK

Atlantic Coast Ultra 40 Miler

Starts in Newquay and follow the coast all the way down to finish at the beautiful St Ives Bay, pitting your mental and physical prowess against some of the most scenic coastlines in Britain.

  • 40 miles multi terrain running

Ultra marathon guides

Guides, tips and advice on running an ultra marathon.

The best runs that you've never heard of
  • 10 mins read
  • 6 Jun 2023

The best runs that you've never heard of

To celebrate Global Running Day, we're rounding the best unsung marathons, half marathons and more in the UK!

10 best ultra marathons in the UK
  • 8 mins read
  • 10 May 2023

10 best ultra marathons in the UK

Take on an epic endurance challenge with one of the most popular ultra runs in the UK, from traditional fell runs to the UTMB World Series!

5 things you need to know before your first ultra
  • 5 mins read
  • 5 Jan 2023

5 things you need to know before your first ultra

Ultra marathons are some of the greatest tests of endurance on the planet and yield unforgettable experiences - if you're well prepared.

Ultra runs near you

Select your location for ultra marathons in your area.