53

50K ultra runs in UK in Spring

Find 50k ultra runs in UK in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

Filter by date

Filter by place

Map

Event listings

Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
  • Sun 10 May 2026
  • £23-£35
Staines, Surrey, UK

The Spring Lucky Dip Run | 50K

Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
  • Sat 16 - Sun 17 May 2026
  • £39-£199
Wareham, Dorset, UK

Jurassic Coast Ultra Challenge

Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!

  • Families
  • Beginner-friendly
  • Entertainment
  • Music
  • Event village
  • Rural
  • Coast
  • Age 14 & over
  • Trail run 2
  • 50K ultra run 2
  • 100K ultra run 2
  • Marathon
  • Ultra run
  • + 1 more race
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?
  • Sat 16 May 2026
  • £23-£35
Staines, Surrey, UK

Rocky at 50 Run | 50K

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km road running
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 17 May 2026
  • £80-£85
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!

  • Beginner-friendly
  • Music
  • Chip timing
  • Enter online
  • Mountainous
  • Event village
  • Age 18 & over
  • 50 km trail running
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this is the run for you! Themed medal too!
  • Thu 21 May 2026
  • £16-£135
Durham, County Durham, UK

Dun Holm Challenge | Day 1

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this is the run for you! Themed medal too!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 4 more races
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
  • Fri 22 May 2026
  • £17-£29
Durham, County Durham, UK

Dun Holm Challenge - Day 2 | 50K

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 20 & over
  • 50 km trail running
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this is the run for you! Durham-themed medal too.
  • Sat 23 May 2026
  • £16-£29
Durham, County Durham, UK

Dun Holm Challenge | Day 3

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this is the run for you! Durham-themed medal too.

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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 23 May 2026
  • £33-£38
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
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
  • Sun 24 May 2026
  • £17-£29
Durham, County Durham, UK

Dun Holm Challenge | Day 4 | 50K

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 20 & over
  • 50 km trail running
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this lapped 50K is for you! Durham-themed medals too.
  • Mon 25 May 2026
  • £17-£29
Durham, County Durham, UK

Dun Holm Challenge | Day 5 | 50K

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this lapped 50K is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 20 & over
  • 50 km 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?
  • Sat 30 May 2026
  • £79
Pitlochry, Perth and Kinross, UK

Blair Castle Trail Weekender | Full Tilt Ultra 58K

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
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?
  • Sat 30 May 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

Rocky at 50 Run | Wales | 50K

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?

  • Enter online
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km road running
In its sixth 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 31 May 2026
  • £36-£38
Ware, Hertfordshire, UK

Circuit Du Sore Legs | Ultra Marathon

In its sixth 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
  • Fri 6 Mar 2026
Staines, Surrey, UK

Midweek Chasing Numbers Mar | 50K

  • 50 km trail running
  • Sat 21 Mar 2026
Welwyn Garden City, Hertfordshire, UK

London Lea Valley Ultra

  • 50 km road running
  • Sat 21 Mar 2026
Manchester, Greater Manchester, UK

The Ultra Loop - Heaton Park

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • 50K ultra run
  • Sun 22 Mar 2026
Manchester, Greater Manchester, UK

Canalathon-Ultra Running Festival | 50K

  • 50 km road running
  • Fri 17 Apr 2026
Staines, Surrey, UK

Midweek Medal Madness Run April | 50K

  • 50 km trail running
  • Sat 18 Apr 2026
Berkhamsted, Hertfordshire, UK

Chiltern Ridge Classic 50K

  • 50 km trail running
  • Sat 25 Apr 2026
Kingswear, Devon, UK

Total Coastal | Ultra

  • 50 km multi terrain running
  • Sat 25 Apr 2026
Winscombe, Somerset, UK

Butcombe Trail Ultra | 50K

  • 50 km trail running
  • Fri 1 May 2026
Egham, Surrey, UK

Midweek Chasing Numbers May | 50K

  • 50 km trail running
  • Sun 3 May 2026
Shipston-on-Stour, Warwickshire, UK

Tempo Trail Races | 50K Ultra

  • 50 km trail running
  • Fri 29 May 2026
Staines, Surrey, UK

Midweek Medal Madness | Leons Birthday Run | 50K

  • 50 km road running

Other UK events

Search options

Back to search options
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.