Fixed time runs

Fixed time runs

The UK's most comprehensive calendar of fixed timed runs, running for a fixed time rather than a set distance. Search by date, location or map to find a fixed timed run near you or browse to discover your perfect event.

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Fixed time runs in 2025

Don't sweat the distance, just run as much as you can for a set time.

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Fri 18 Apr
  • £31-£36
Brandon, Suffolk, UK

Easter Challenge

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
  • Fri 2 May
  • £90-£102
Portland, Dorset, UK

The Portland Pig BackYard Ultra

4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?

  • 1 day multi terrain running
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
  • Sat 10 - Sun 11 May
  • £92.50-£145
Prestatyn, Clwyd, UK

24 Hours South - The Offa's Dyke Ultra

The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.

  • 24 hrs trail running
Zig Zag Running is 5 years old this month so why not come along and celebrate?! You are promised lots of cake!
  • Sun 18 May
  • £31-£36
Huntingdon, Cambridgeshire, UK

The Birthday Run

Zig Zag Running is 5 years old this month so why not come along and celebrate?! You are promised lots of cake!

  • Multi-terrain run 2
Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.
  • Sat 24 - Sun 25 May
  • £34-£165
Buntingford, Hertfordshire, UK

Farmmageddon

Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run 2
  • + 1 more race
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
Ware, Hertfordshire, UK

Circuit Du Sore Legs | Part Cinq | 6 Hour Challenge

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?

  • 6 hrs track and field
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 7 - Sun 8 Jun
  • £80-£110
Reading, Berkshire, UK

Endure24 | Reading

The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

  • 24 hrs multi terrain running
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 28 Jun
  • £23-£37.50
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle

Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Multi-terrain run 2
The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 28 - Sun 29 Jun
  • £80-£110
Wetherby, West Yorkshire, UK

Endure24 | Leeds

The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

  • 24 hrs multi terrain running
The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.
  • Sat 5 Jul
  • £50-£100
Saint Neots, Cambridgeshire, UK

ATW Odyssey12

The ATW Odyssey 12hr Run is more than just a running event, its a journey of self-discovery through the beautiful multi-terrain footpaths around St Neots.

  • 12 hrs trail running
Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 6 Jul
  • £31-£36
Peterborough, Cambridgeshire, UK

Summer Ready Run

Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Multi-terrain run 2
Three or six-hour lapped challenge over 3.55 miles in the beautiful town of Masham where you'll come in to a bespoke medal and all things Black Sheep at the finish line.
  • Sun 6 Jul
  • £24-£38
Ripon, North Yorkshire, UK

Blacksheep 3 and 6-hour Challenge

Three or six-hour lapped challenge over 3.55 miles in the beautiful town of Masham where you'll come in to a bespoke medal and all things Black Sheep at the finish line.

  • Multi-terrain run 2
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
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.

  • 24 hrs trail running
It's summer time so come join a loop or two at the lovely Brandon Country Park through the heart of Thetford Forest!
  • Sun 13 Jul
  • £31-£36
Brandon, Suffolk, UK

SunTime RunTime

It's summer time so come join a loop or two at the lovely Brandon Country Park through the heart of Thetford Forest!

  • Multi-terrain run 2
A new and totally unique running challenge where you aim to run 10 x 5K laps which get faster the more you complete. How far can you go?
  • Sun 20 Jul
  • £53-£55
Boston, Lincolnshire, UK

Revesby Running Festival | Challenge The Estate

A new and totally unique running challenge where you aim to run 10 x 5K laps which get faster the more you complete. How far can you go?

  • 5 km 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 9 - Sun 10 Aug
  • £80-£85
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
This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.
  • Sat 16 Aug
  • £59.95-£379.95
Mold, Clwyd, UK

Moel Famau 12 & 24hr Challenge

This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.

  • Fixed time runs 2
This new Ultra distance event urges you to get to know this river and the great, varied country which accompanies it.
  • Fri 5 Sep
  • £92.50-£295
Prestatyn, Clwyd, UK

The Dee Way 120

This new Ultra distance event urges you to get to know this river and the great, varied country which accompanies it.

  • Fixed time runs 2
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 7 Sep
  • £31-£36
Brandon, Suffolk, UK

FEAR (Forget Everything And Run)

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
Run as far as you can during the 4 or 6-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.
  • Sat 13 Sep
  • £33-£38
King's Lynn, Norfolk, UK

Easier Said Than Run

Run as far as you can during the 4 or 6-hour event through the lovely Bawsey Country Park on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 26 Oct
  • £31-£36
Peterborough, Cambridgeshire, UK

Pumpkin Plod

This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
Back to Ferry Meadows Country Park for a 4 or 6-hour remembrance running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 9 Nov
  • £31-£36
Peterborough, Cambridgeshire, UK

Remembrance Run

Back to Ferry Meadows Country Park for a 4 or 6-hour remembrance running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Multi-terrain run 2
Run as far as you can during the 4 or 6-hour event through the lovely Suffolk countryside on a multi-terrain loop. Run, rest, then head out for more.
  • Sat 22 Nov
  • £31-£36
Bury Saint Edmunds, Suffolk, UK

Turkey Trot

Run as far as you can during the 4 or 6-hour event through the lovely Suffolk countryside on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
The patron saint day of St Andrews falls on a weekend so there's now an event to support it! Run for as long as you can, rest, then head out for some more.
  • Sun 30 Nov
  • £31-£36
Brandon, Suffolk, UK

St Andrews Day Challenge

The patron saint day of St Andrews falls on a weekend so there's now an event to support it! Run for as long as you can, rest, then head out for some more.

  • Multi-terrain run 2
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, head out for more and enjoy some festive fun!
  • Sun 14 Dec
  • £31-£36
Brandon, Suffolk, UK

Twas The Run Before Christmas

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, head out for more and enjoy some festive fun!

  • Multi-terrain run 2
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 11 Jan 2026
  • £32-£38
Brandon, Suffolk, UK

WTF Where's The Finish?

Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.

  • Multi-terrain run 2
Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 8 Feb 2026
  • £32-£39
Peterborough, Cambridgeshire, UK

Run for Cake

Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Multi-terrain run 2
Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 21 Mar 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Moo-rathon, Calf and Hen K

Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Multi-terrain run 2