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Multi-terrain runs in UK in September 2025

Find multi-terrain runs near me in UK in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 14 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full 100km continuous

The full distance option of the South Coast Challenge from sunny Eastbourne, over the magnificent Seven Sisters, onto Cuckmere Haven and over the South Downs all the way to historic Arundel.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2100 m ascent
Run as far as you can during the 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
  • Sun 7 Sep
  • £31-£36
Brandon, Suffolk, UK

FEAR (Forget Everything And Run) | 6 Hour

Run as far as you can during the 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.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 6 hrs multi terrain running
If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!
  • Sun 7 Sep
  • £33.50
  • Sun 7 Sep
  • £33.50
Fife, UK

Really Muddy Fife | 10K

If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!

  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 10 km multi terrain running
If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!
  • Sun 7 Sep
  • £29.90
  • Sun 7 Sep
  • £29.90
Fife, UK

Really Muddy Fife | 5K

If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!

  • Enter online
  • Undulating
  • Traffic free
  • Age 17 & over
  • 5 km multi terrain running
If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!
  • Sun 7 Sep
  • £21.90
  • Sun 7 Sep
  • £21.90
Fife, UK

Really Muddy Fife | Kids 3K

If you love mud and water but not monkey bars or big climbs, this one is for you. Fun elements include a massive ball pit, the famous MacTuff foam filled 'washing machine', a water slide and mud!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 5-16
  • 3 km multi terrain running
Run as far as you can during the 4-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
  • Sun 7 Sep
  • £31-£36
Brandon, Suffolk, UK

FEAR (Forget Everything And Run) | 4 Hour

Run as far as you can during the 4-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.

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 4 hrs multi terrain running
A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.
  • Thu 11 - Sun 14 Sep
  • £250-£1,250
  • Thu 11 - Sun 14 Sep
  • £250-£1,250
London, UK

Run2Paris

A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.

  • Newcomers
  • Enter online
  • GPS tracking
  • Fundraising required
  • Hilly
  • Urban
  • Public transport links
  • Age 18 & over
  • 4 days multi terrain running
Run as far as you can during the 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
  • Sat 13 Sep
  • £33-£38
King's Lynn, Norfolk, UK

Easier Said Than Run | 6 Hour

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

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 6 hrs trail running
The UK's toughest 10K! The first wave to set off on event day and open to individuals only. The mission is simple, be within the first 3 top men or women back to base and take the glory! Free 2nd lap.
  • Sat 13 Sep
  • £74.95
  • Sat 13 Sep
  • £74.95
Clitheroe, Lancashire, UK

Born Survivor | Lancashire | 10K Elite Squadron

The UK's toughest 10K! The first wave to set off on event day and open to individuals only. The mission is simple, be within the first 3 top men or women back to base and take the glory! Free 2nd lap.

  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 10 km multi terrain running
The UK's toughest 10km with Military escape routes! Shorten the course to 8km or 6km via escape routes should the day get too tough!
  • Sat 13 Sep
  • £64.95-£69.95
  • Sat 13 Sep
  • £64.95-£69.95
Clitheroe, Lancashire, UK

Born Survivor | Lancashire | 10K Classic Survivor

The UK's toughest 10km with Military escape routes! Shorten the course to 8km or 6km via escape routes should the day get too tough!

  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 10 km multi terrain running
Run as far as you can during the 4-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
  • Sat 13 Sep
  • £33-£38
King's Lynn, Norfolk, UK

Easier Said Than Run | 4 Hour

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

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 4 hrs trail running
Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!
  • Sun 14 Sep
  • 3 charities
  • Sun 14 Sep
  • 3 charities
Richmond, UK

Richmond RUNFEST Marathon

Run 'The world's most scenic marathon' through London's greenest borough including Richmond Bridge and the Tow Path. Start inside the Kew Gardens with family fun music festival to finish!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles road running
London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!
  • Sun 14 Sep
  • 3 charities
  • Sun 14 Sep
  • 3 charities
Richmond, UK

Richmond RUNFEST Half Marathon

London's flattest half marathon through its greenest borough exploring the beauties and history of Richmond. Start inside the Kew Gardens with family fun music festival to finish!

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 17 & over
  • 13.1 miles road running
A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.
  • Sun 14 Sep
  • £28
  • Sun 14 Sep
  • £28
Rye, East Sussex, UK

Rye Ancient Trails 15K

A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.

  • Chip timing
  • Enter online
  • Undulating
  • Age 16 & over
  • 15 km multi terrain running
A truly breathtaking multi-terrain race through the High Weald Area of Outstanding Natural Beauty in East Sussex. A race that enchants and delights at every twist and turn.
  • Sun 14 Sep
  • £32
  • Sun 14 Sep
  • £32
Rye, East Sussex, UK

Rye Ancient Trails 30K

A truly breathtaking multi-terrain race through the High Weald Area of Outstanding Natural Beauty in East Sussex. A race that enchants and delights at every twist and turn.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 30 km multi terrain running
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.
  • Fri 19 Sep
  • £75
  • Fri 19 Sep
  • £75
Hope Valley, Derbyshire, UK

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.

  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 75 km trail running + 2235 m ascent
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.
  • Fri 19 Sep
  • £80
  • Fri 19 Sep
  • £80
Hope Valley, Derbyshire, UK

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.

  • Enter online
  • GPS tracking
  • Hilly
  • Age 20 & over
  • 100 km trail running + 3300 m ascent
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.
  • Fri 19 Sep
  • £99
  • Fri 19 Sep
  • £99
Hope Valley, Derbyshire, UK

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.

  • Enter online
  • GPS tracking
  • Hilly
  • Age 20 & over
  • 100 miles trail running + 4800 m ascent
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sat 20 Sep
  • 4 charities
  • Sat 20 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Saturday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.
  • Sat 20 Sep
  • £60
  • Sat 20 Sep
  • £60
Hope Valley, Derbyshire, UK

Peak District Challenge | Bronze Challenge 50K

Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.

  • Enter online
  • GPS tracking
  • Hilly
  • Age 16 & over
  • 50 km trail running + 1140 m ascent
An achievable challenge following a circular route from Hathersage to Baslow along riverside paths and back via a hillier crossing of Curbar and Frogatt edges with some of the best views of The Peaks!
  • Sat 20 Sep
  • £55
  • Sat 20 Sep
  • £55
Hope Valley, Derbyshire, UK

Peak District Challenge | Copper Challenge 25K

An achievable challenge following a circular route from Hathersage to Baslow along riverside paths and back via a hillier crossing of Curbar and Frogatt edges with some of the best views of The Peaks!

  • Enter online
  • GPS tracking
  • Hilly
  • Age 12 & over
  • 25 km trail running + 577 m ascent
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sat 20 Sep
  • 3 charities
  • Sat 20 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Saturday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sun 21 Sep
  • 4 charities
  • Sun 21 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Sunday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
For runners who just want to run without the event's unique gourmet food and drink 'stops'. Why not run this 10K in the morning, then join in the afternoon fun and enjoy the food and drink on offer?
  • Sun 21 Sep
  • £30
  • Sun 21 Sep
  • £30
Malton, North Yorkshire, UK

The Malton 10K ‘Le Sans Arret’

For runners who just want to run without the event's unique gourmet food and drink 'stops'. Why not run this 10K in the morning, then join in the afternoon fun and enjoy the food and drink on offer?

  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km multi terrain running
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
  • Sun 21 Sep
  • 3 charities
  • Sun 21 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Sunday

Secure your charity place in Tough Mudder London South today. Challenge yourself through mud and over obstacles while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running

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