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Ultra runs in UK in September 2025

Find ultra 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
  • 12 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 12 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
The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
  • Sat 6 - Sun 7 Sep
  • £199
  • 11 charities
  • Sat 6 - Sun 7 Sep
  • £199
  • 11 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full 100km over 2 days

The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 100 km trail running + 2100 m ascent
The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.
  • Sat 6 Sep
  • £139
  • 12 charities
  • Sat 6 Sep
  • £139
  • 12 charities
Polegate, East Sussex, UK

South Coast Ultra Challenge | 1st Half

The first half option of the South Coast Challenge from Eastbourne to the coastline, over the Seven Sisters to Cuckemere Haven, over the South Downs to finish via Brighton's promenade.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 57 km trail running + 1250 m ascent
The second half option of the South Coast Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel.
  • Sat 6 - Sun 7 Sep
  • £139
  • 12 charities
  • Sat 6 - Sun 7 Sep
  • £139
  • 12 charities
Hove, East Sussex, UK

South Coast Ultra Challenge | 2nd Half

The second half option of the South Coast Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel.

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 43 km trail running + 850 m ascent
The full, non-stop option of the Thames Path Challenge from leafy South West London following the river to Hampton Court, Runnymede to finish at Henley-on-Thames for a celebratory finish and BBQ.
  • Sat 13 - Sun 14 Sep
  • £199
  • 12 charities
  • Sat 13 - Sun 14 Sep
  • £199
  • 12 charities
London, UK

Thames Path Ultra Challenge | Full 100km Continuous

The full, non-stop option of the Thames Path Challenge from leafy South West London following the river to Hampton Court, Runnymede to finish at Henley-on-Thames for a celebratory finish and BBQ.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Undulating
  • Age 18 & over
  • 100 km trail running + 350 m ascent
The full distance option of the Thames Path Challenge over 2 days with 50km on day 1 and 50km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
  • Sat 13 - Sun 14 Sep
  • £199
  • 12 charities
  • Sat 13 - Sun 14 Sep
  • £199
  • 12 charities
London, UK

Thames Path Ultra Challenge | Full 100km over 2 days

The full distance option of the Thames Path Challenge over 2 days with 50km on day 1 and 50km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 350 m ascent
The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal.
  • Sat 13 Sep
  • £139
  • 12 charities
  • Sat 13 Sep
  • £139
  • 12 charities
London, UK

Thames Path Ultra Challenge | 1st Half

The first half option of the Thames Path Challenge from leafy South West London on the River Thames along the river to Hampton Court to finish at Runnymede for a big celebration finish and hot meal.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Undulating
  • Age 18 & over
  • 50 km trail running + 200 m ascent
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
  • Sat 13 Sep
  • £58-£60
  • Sat 13 Sep
  • £58-£60
Wadhurst, East Sussex, UK

Bewl Water Autumn | Ultra

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 20 & over
  • 50 km trail running
Start this epic Challenge in near Hampton Court. This route follows the meandering waterway to Runnymede, for a big celebration finish and hot meal at Henley on Thames.
  • Sat 13 Sep
  • £169
  • 12 charities
  • Sat 13 Sep
  • £169
  • 12 charities
London, UK

Thames Path Ultra Challenge | 3/4 Challenge

Start this epic Challenge in near Hampton Court. This route follows the meandering waterway to Runnymede, for a big celebration finish and hot meal at Henley on Thames.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Age 18 & over
  • 72 km trail running + 60 m ascent
The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.
  • Sat 13 - Sun 14 Sep
  • £139
  • 12 charities
  • Sat 13 - Sun 14 Sep
  • £139
  • 12 charities
Egham, Surrey, UK

Thames Path Ultra Challenge | 2nd Half

The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • Undulating
  • Age 18 & over
  • 50 km trail running + 150 m ascent
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
  • Fri 19 Sep
  • Fri 19 Sep
Hope Valley, Derbyshire, UK

Peak District Challenge | Gold Ultra 100K charity places

By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours

  • Enter online
  • GPS tracking
  • Age 18 & over
  • 100 km trail running
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
  • Fri 19 Sep
  • Fri 19 Sep
Hope Valley, Derbyshire, UK

Peak District Challenge | 100 Miles Ultra charity places

By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours

  • Enter online
  • GPS tracking
  • Age 21 & over
  • 100 miles trail running
By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours
  • Sat 20 Sep
  • Sat 20 Sep
Hope Valley, Derbyshire, UK

Peak District Challenge | Bronze Challenge 50K charity places

By Wilderness Development Trek or Run: 25km, 50km, 75km, 100km or 100miles in 24 hours

  • Enter online
  • GPS tracking
  • Age 18 & over
  • 50 km trail running
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
  • Sat 20 Sep
  • £32.50-£37.50
  • Sat 20 Sep
  • £32.50-£37.50
Bury Saint Edmunds, Suffolk, UK

The Lucky Horseshoe | Ultra Marathon

Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 7 hrs trail running
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
  • Fri 26 Sep
  • £150-£210
  • Fri 26 Sep
  • £150-£210
Keswick, Cumbria, UK

13 Valleys Ultra

Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!

  • Enter online
  • GPS tracking
  • Age 20 & over
  • 184.77 km trail running + 7018 m ascent
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
  • Sat 27 Sep
  • £120-£170
  • Sat 27 Sep
  • £120-£170
Ambleside, Lake District National Park, UK

7 Valleys Ultra

Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!

  • Enter online
  • GPS tracking
  • Age 20 & over
  • 110 km trail running + 3981 m ascent
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
  • Sat 27 Sep
  • £85-£120
  • Sat 27 Sep
  • £85-£120
Keswick, Cumbria, UK

5 Valleys Ultra

Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!

  • Enter online
  • GPS tracking
  • Age 20 & over
  • 56.5 km trail running + 2500 m ascent
The full distance option of the Chiltern 50 Challenge from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village.
  • Sat 27 Sep
  • £139
  • 11 charities
  • Sat 27 Sep
  • £139
  • 11 charities
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full distance option of the Chiltern 50 Challenge from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village.

  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 920 m ascent
A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
  • Sat 27 Sep
  • £52
  • Sat 27 Sep
  • £52
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Sep | 40 Mile Ultramarathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.

  • Enter online
  • Undulating
  • Age 18 & over
  • 40 miles multi terrain running
  • Sat 20 Sep
Darwen, Lancashire, UK

Three Towers Ultra - 39 & 55 Miles | 39 Miles

  • 39 miles trail running
  • Sat 20 Sep
Darwen, Lancashire, UK

Three Towers Ultra - 39 & 55 Miles | 55 Miles

  • 55 miles trail running
  • Sat 27 Sep
Lewes, East Sussex, UK

Dark Downs 50K Race

  • 50 km trail running

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