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Multi-terrain runs in September 2025

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

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

Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!
  • Sun 14 Sep
  • £12
Richmond, UK

Uber Boat by Thames Clippers Richmond RUN-FEST | WWF Kids' Mile

Welcome to the WWF Richmond Kids' Mile Race. WWF has proposed a 'Wear it Wild' theme where kids are encouraged to wear an item of animal-inspired clothing on race day!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Age 3-16
  • 1 mile 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
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
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
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
  • £110-£115
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Saturday

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!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
An ultra 43-mile and team relay with opportunities for runners of all speeds on one day, empathising with the challenges faced by the endangered Exe Atlantic river salmon as they go upstream to spawn!
  • Sat 20 Sep
  • £45
Exmouth, Devon, UK

Salmon Run | Salmon Run Ultra

An ultra 43-mile and team relay with opportunities for runners of all speeds on one day, empathising with the challenges faced by the endangered Exe Atlantic river salmon as they go upstream to spawn!

  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 43 miles multi terrain running + 0 ft ascent
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
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
Follow the salmon's migratory route on its journey to where it began! This point-to-point relay gives runners the chance to empathise with the salmon's struggle over 2-11 mile relay legs.
  • Sat 20 Sep
  • £15
Exmouth, Devon, UK

Salmon Run | Salmon Run Relay

Follow the salmon's migratory route on its journey to where it began! This point-to-point relay gives runners the chance to empathise with the salmon's struggle over 2-11 mile relay legs.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 12 miles multi terrain running + 0 ft 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
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
  • £100
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Saturday

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!

  • 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
  • £105-£110
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Sunday

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!

  • 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
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
  • £100
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Sunday

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!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
​The main event! A 10K fun run with gourmet food and drink stops. Entrants are encouraged to pace themselves, enjoy the speciality pitstops and the party atmosphere!
  • Sun 21 Sep
  • £25-£35
Malton, North Yorkshire, UK

‘Le Classique’ 10K Fun Run

​The main event! A 10K fun run with gourmet food and drink stops. Entrants are encouraged to pace themselves, enjoy the speciality pitstops and the party atmosphere!

  • Enter online
  • Undulating
  • Fancy dress
  • Age 15 & over
  • 10 km multi terrain running
An official, chip-timed, challenging multi-terrain 10K on a mixture of tarmac, grass and track with some flat sections - all through the stunning Chatsworth Estate.
  • Sun 28 Sep
  • £24
Bakewell, Derbyshire, UK

Chatsworth 10K

An official, chip-timed, challenging multi-terrain 10K on a mixture of tarmac, grass and track with some flat sections - all through the stunning Chatsworth Estate.

  • Chip timing
  • Enter online
  • Undulating
  • Age 15 & over
  • 10 km multi terrain running + 217.35 m ascent
The Fun Run after the Chatsworth 10K gives families and those wanting a shorter distance a fantastic opportunity to enjoy the Chatsworth Estate! Why not run both?
  • Sun 28 Sep
  • £5-£7
Bakewell, Derbyshire, UK

Chatsworth 10K and Fun Run | Fun Run

The Fun Run after the Chatsworth 10K gives families and those wanting a shorter distance a fantastic opportunity to enjoy the Chatsworth Estate! Why not run both?

  • Enter online
  • Undulating
  • Traffic free
  • All ages
  • 3 km multi terrain running
  • Sun 14 Sep
Wetherby, West Yorkshire, UK

Wetherby 10K | 10K

  • 10 km multi terrain running
  • Sun 14 Sep
Brockenhurst, Hampshire, UK

The Garmin New Forest Marathon | Junior Race 200M

  • 200 m multi terrain running
  • Sun 14 Sep
Brockenhurst, Hampshire, UK

The Garmin New Forest Marathon | Junior Race 1 Mile

  • 1 mile multi terrain running
  • Sat 20 Sep
Vesterø Havn, Denmark

Laesoe Ultra | Marathon

  • 42.2 km multi terrain running
  • Sat 20 Sep
Vesterø Havn, Denmark

Laesoe Ultra | Half Marathon

  • 21.1 km multi terrain running
  • Sat 20 Sep
Stocksfield, Northumberland, UK

The Cow Shed Backyard Ultra

  • 4.1 miles multi terrain running + 550 ft ascent
  • Sun 21 Sep
St. Neots, Cambridgeshire, UK

Ouse Valley Way Marathon | Marathon

  • 26.2 miles multi terrain running
  • Sun 21 Sep
St. Neots, Cambridgeshire, UK

Ouse Valley Way Marathon | Half Marathon

  • 13.1 miles multi terrain running
  • Sun 28 Sep
Coleford, Gloucestershire, UK

The Forest of Dean Autumn Half Marathon

  • 13.1 miles multi terrain running

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