Fixed timed runs in the UK
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Fixed time runs in 2025/2026
Don't sweat the distance, just run as much as you can for a set time.
- Sat 20 Sep
- £16-£35
Fraggle Run | Wales
Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 21 Sep
- £16-£35
Fraggle Run
Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 27 Sep
- £26-£28
Runaway Challenge
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on a looped route within the time limit, with fuel stations, medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Sat 27 Sep
- £75
Fortitude Ultra | Denbies
10Hrs: 10 Laps: You-vs-You. Complete 10 laps of the ~3-mile, 4-mile or 5-mile loops in the given time through the scenic Denbies Wine Estate.
- 10 hrs trail running
- Sat 27 Sep
- £23-£35
Romp Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a themed medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Tue 30 Sep
- £33.30-£39
Kingfisher Challenge
Mature woodland, waterways and open grassland - it’s simply trail running perfection! Run as many 5K laps as you wish in the time limit, then receive your well-deserved medal, flapjack and beer.
- 6 hrs trail running + 111 ft ascent
- Fri 3 Oct
- £20-£27
Midweek Chasing Numbers Oct | Time Challenge
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 7 hrs trail running + 0 ft ascent
- Sun 5 Oct
- £16-£35
The Autumn Lucky Dip Run
Welcome to a 7-hour running event where you can run your choice of distance up to 7 hours at your own pace on a scenic route, with fuel stations each lap, and a lucky dip medal and goody bag!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 11 Oct
- £20-£22
Rumble In The Jumble I | 6 Hour Challenge
Welcome to a 6-hour timed running event where you can run as far as you can in 6-hours at your own pace on an out-and-back route, with fuel stations each lap, and a pick-and-mix medal and goody bag.
- 6 hrs trail running + 346 ft ascent
- Sun 12 Oct
- £17-£29
Scare Bear Run | North | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a scary Care Bear medal and goody bag!
- 7 hrs trail running
- Sat 18 Oct
- £22-£35
Scare Bear Run | Wales | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a scary Care Bear medal and goody bag!
- 7 hrs road running
- Sat 25 Oct
- £23-£35
Scare Bear Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a scary Care Bear medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Sun 26 Oct
- £31-£36
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
- Sat 1 Nov
- £22-£34
Reason To Treason Run-Powder Plot | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a Guy Fawkes themed medal and goody bag!
- 7 hrs trail running + 33 ft ascent
- Sun 2 Nov
- £12-£34
Remember, Remember Your Legs In November
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, pick and mix medal and goody bag.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 2 more races
- Sat 8 Nov
- £26-£28
Remembrance Run
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on a looped route within the time limit, with fuel stations, a Remembrance medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Sun 9 Nov
- £31-£36
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
- Sun 9 Nov
- £26-£38
Remembrance Day Run | South | Time Challenge
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 7-hour run, then a Remembrance medal, goody bag and special pin.
- 7 hrs trail running + 0 ft ascent
- Sun 9 Nov
- £24-£36
Remembrance Day Run | North East | Time Challenge
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 6hr 32min run, then a Remembrance medal, goody bag and special pin.
- 6 hrs trail running + 75 ft ascent
- Fri 14 Nov
- £73-£400
Kent Backyard Ultra | Round One: Vigo
A Friday night start on woodland trails with runnable climbs and a sociable vibe. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
- Fixed time runs
- Ultra run 2
- Fri 14 Nov
- £20-£27
Midweek Chasing Numbers Nov | Time Challenge
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 7 hrs trail running + 0 ft ascent
- Sun 16 Nov
- £23-£35
Smurf Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a Smurf medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Fri 21 Nov
- £31.50-£37
Dormouse Challenge
Run through the woods at the award-winning Salcey Forest while you're served mince pies and treats from the aid station! Run as many 3.5-mile laps as you wish in the time limit.
- 6 hrs trail running + 91 ft ascent
- Sat 22 Nov
- £31-£36
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
- Sat 22 Nov
- £22-£35
Smurf Run | Wales | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a themed Smurf medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Sun 23 Nov
- £23-£35
Lord of The Run Part 3 | Time Challenge
Get involved in this Lord of the Run Part 3 (LOTR) style run. Whether you love or hate it, come join in anyway by going on an Adventure across the Thames!
- 7 hrs road running + 0 ft ascent
- Sat 29 Nov
- £26-£28
Rhino Run
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.
- 10K run 2
- Half marathon
- Marathon
- Ultra run
- Fixed time runs
- Sun 30 Nov
- £31-£36
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
- Fri 5 Dec
- £20-£27
The Christmas Jumper Jaunt | Time Challenge
Welcome to a midweek 7-hour timed running event where you can run as far as you can in 7 hours in your Christmas jumper (optonal), with fuel stations each lap, and a themed medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Sat 6 Dec
- £28-£40
A Christmas Carol Bobble Hat Run | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, a bobble hat, medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Sun 14 Dec
- £31-£36
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
- Sun 14 Dec
- £22-£34
A Christmas Carol Bobble Hat Run | North | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, a bobble hat, themed medal and goody bag!
- 7 hrs trail running
- Sun 21 Dec
- £27-£40
A Christmas Carol Bobble Hat Run | Wales | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, a bobble hat, themed medal and goody bag!
- 7 hrs road running
- Thu 25 Dec
- £23-£35
Christmas Day Cracker Run | Time Challenge
Come and join the morning of running and run as far as you like within the 7-hour time limit on a scenic course with Christmas Dinner each lap, present, themed medal and goody bag at the finish!
- 7 hrs trail running + 0 ft ascent
- Fri 26 Dec
- £28-£30
Boxing Day Challenge | 6 Hour Challenge
Welcome to a 6-hour timed running event where you run as far as you can in 6 hours at your own pace on a flat, out-and-back route along the River Thames, with fuel stations, medal and goody bag.
- 6 hrs trail running + 0 ft ascent
- Sat 27 Dec
- £23-£35
Year End Time Turner | Time Challenge
See the year out with a 7-hr timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a pick and mix medal and goody bag!
- 7 hrs trail running + 0 ft ascent
- Wed 31 Dec
- £33-£35
River Thames Run | 6 Hours
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.
- 6 hrs trail running + 0 ft ascent
- Thu 1 Jan 2026
- £23-£35
New Years Day Run | Time Challenge
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
- 7 hrs trail running + 0 ft ascent
- Sat 3 Jan 2026
- £33-£35
Rhino Run | 6 Hours
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.
- 6 hrs trail running + 0 ft ascent
- Fri 9 Jan 2026
- £20-£27
Midweek Chasing Numbers Jan | Time Challenge
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 7 hrs trail running + 0 ft ascent
- Sat 10 Jan 2026
- £73-£115
Kent Backyard Ultra | Round Two: Dover
A crisp morning start from the farm on a 50/50 road-trail mix with coastal views. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
- Fixed time runs
- Ultra run
- Sat 10 Jan 2026
- £23-£35
The Rise From The Ashes Run - South | Time Challenge
Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!
- 7 hrs trail running + 0 ft ascent
- Sun 11 Jan 2026
- £32-£38
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
- Sun 18 Jan 2026
- £17-£27
The Rise From The Ashes Run - North | Time Challenge
Come and get involved in this Rise From The Ashes Run in Durham, as long as you complete at least 5km you will be rewarded with one of the incredible phoenix medals!
- 7 hrs trail running
- Fri 23 Jan 2026
- £33.30-£39
Crocodile Challenge
A great venue tucked away in the Warwickshire countryside. The ground is runnable all year and the views great too. Run as many 3.3-mile laps as you wish in the time limit, then receive your goodies!
- 6 hrs trail running + 154 ft ascent
- Sat 24 Jan 2026
- £27-£38
OMG (One Mile 2 Go) 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
- Sat 24 Jan 2026
- £23-£35
The Winter Lucky Dip Run | Time Challenge
Come and join in Winter 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!
- 7 hrs trail running + 0 ft ascent
- Sat 24 Jan 2026
- £22-£35
Spice Up Your Run - Wales | Time Challenge
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!
- 7 hrs trail running + 338 ft ascent
- Wed 4 Feb 2026
- £33.30-£39
Squirrel Challenge
The reservoir has it all. The tranquillity of the woods, open grassland and calming waters, it’s a beauty! Run as many 3.3-mile loops as you like within 6 hours.
- 6 hrs trail running + 82 ft ascent
- Fri 6 Feb 2026
- £20-£27
Midweek Chasing Numbers Feb | Time Challenge
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 7 hrs trail running + 0 ft ascent
- Sat 7 Feb 2026
- £23-£35
The Highland Hotfoot | Time Challenge
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!
- 7 hrs trail running + 0 ft ascent
- Sun 8 Feb 2026
- £32-£38
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
- Sat 14 Feb 2026
- £33-£38
Valentines Challenge
In 2026 Valentines Day falls on a Saturday, so why not come along and earn some Valentine-themed bling! Run as far as you can during six hours, whether 5K or 50K, you'll love it!
- 6 hrs trail running + 558 ft ascent
- Sat 14 Feb 2026
- £23-£35
The Racoon Rocket Run | Time Challenge
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
- 7 hrs trail running + 0 ft ascent
- Sun 15 Feb 2026
- £17-£27
Smurf Run | North | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a Smurf medal and goody bag!
- 7 hrs trail running
- Sat 21 Feb 2026
- £23-£35
The Rubber Ducky Dash | Time Challenge
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
- 7 hrs trail running + 0 ft ascent
- Fri 27 Feb 2026
- £33.30-£39
Badger Challenge
A tough but rewarding day out with great views! Run as many 3.3-mile laps as you wish. If you like uphills, you’ll love the first half of the lap. If you love downhills, you’ll love the second half!
- 6 hrs trail running + 423 ft ascent
- Sat 28 Feb 2026
- £23-£35
The Giraffe Gallop | Time Challenge
There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
- 7 hrs trail running + 0 ft ascent
- Sun 1 Mar 2026
- £22-£35
St Davids Day Dragon Run | Time Challenge
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- 7 hrs trail running
- Fri 6 Mar 2026
- £20-£27
Midweek Chasing Numbers Mar | Time Challenge
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- 7 hrs trail running + 0 ft ascent
24-hour runs
Day and night, solo or relay. Start the clock...
- Sat 12 - Sun 13 Jul
- £121.99-£251.99
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 + 3182 ft ascent
- Sat 9 - Sun 10 Aug
- £85-£870
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
- Sat 15 Aug 2026
- £97.50-£170
Moel Famau 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.
- 24 hrs trail running
- Fri 19 Sep
- £75
Peak District Challenge | Silver Challenge 75K
Not to be underestimated, the Silver Challenge follows the easiest and flattest routes between eight checkpoints but covers a long distance. For determined and experienced walkers and runners.
- 75 km trail running + 2235 m ascent
- Fri 19 Sep
- £80
Peak District Challenge | Gold Ultra 100K
A hilly and challenging route showcasing the best of the Peak District for those who can maintain 4kph over 24 hours. Night navigation experience is essential.
- 100 km trail running + 3300 m ascent
- Fri 19 Sep
- £99
Peak District Challenge | 100 Miles Ultra
Set off 9pm Friday; get back by 9pm Saturday. Navigate 100 miles through the night via set checkpoints over hilly and challenging terrain and maintain 7kph throughout.
- 100 miles trail running + 4800 m ascent
- Sat 23 May 2026
- £123-£125
Farmmageddon | 24 Hour Challenge
Can you survive Farmmageddon? Run, jog or walk a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend for 24 hours and see how far you can go.
- 24 hrs trail running + 164 ft ascent
- Sat 6 - Sun 7 Jun 2026
- £80
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
- Sat 27 - Sun 28 Jun 2026
- £80-£130
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 + 102 m ascent