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Ultra runs in South East in September 2025

Find ultra runs near me in South East 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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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
  • Entries closed
  • Sat 6 - Sun 7 Sep
  • £199
  • Entries closed
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
Entries closed
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
  • Entries closed
  • Sat 6 - Sun 7 Sep
  • £199
  • Entries closed
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
Entries closed
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
  • Entries closed
  • Sat 6 Sep
  • £139
  • Entries closed
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
Entries closed
The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!
  • Sat 6 - Sun 7 Sep
  • £139
  • Entries closed
  • Sat 6 - Sun 7 Sep
  • £139
  • Entries closed
Hove, East Sussex, UK

South Coast Ultra Challenge | 2nd Half

The second half option of the South Coast Ultra Challenge is a scenic ‘marathon plus’ adventure across the South Downs towards Arundel with wonderful coastal views and a celebratory finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over
  • 43 km trail running + 850 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
  • £60-£62
  • Sat 13 Sep
  • £60-£62
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 20-80
  • 50 km trail running + 1500 ft ascent
Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow the meandering waterway to Runnymede for a big celebration finish and hot meal at Henley on Thames.
  • Sat 13 Sep
  • £169
  • Sat 13 Sep
  • £169
West Molesey, Surrey, UK

Thames Path Ultra Challenge | 3/4 Challenge

Start this epic 3/4 distance of the Thames Path Challenge near Hampton Court and follow 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
  • Sat 13 - Sun 14 Sep
  • £139
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
  • Age 18 & over
  • 50 km trail running + 150 m ascent
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!!
  • Sun 21 Sep
  • £23-£35
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | 50K

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!!

  • Enter online
  • Age 20 & over
  • 50 km road running + 0 ft ascent
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!!
  • Sun 21 Sep
  • £23-£35
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | Ultra Marathon

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!!

  • Enter online
  • Age 18 & over
  • 30.6 miles road running + 0 ft ascent
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
  • Sat 27 Sep
  • £139
  • Sat 27 Sep
  • £139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 920 m ascent
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.
  • Sat 27 Sep
  • £75
  • Sat 27 Sep
  • £75
Dorking, Surrey, UK

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.

  • Newcomers
  • Enter online
  • Hilly
  • Traffic free
  • Event village
  • Rural
  • Free venue entry
  • Sustainability policy
  • Age 20 & over
  • 10 hrs trail running
Anyone know what a group of otters is called?? A romp!!! So Saturn Running is holding an event inspired by these adorable little creatures and the medal is super cute too!
  • Sat 27 Sep
  • £23-£35
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | 50K

Anyone know what a group of otters is called?? A romp!!! So Saturn Running is holding an event inspired by these adorable little creatures and the medal is super cute too!

  • Enter online
  • Age 20 & over
  • 50 km road running + 0 ft ascent
Anyone know what a group of otters is called?? A romp!!! So Saturn Running is holding an event inspired by these adorable little creatures and the medal is super cute too!
  • Sat 27 Sep
  • £23-£35
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | Ultra Marathon

Anyone know what a group of otters is called?? A romp!!! So Saturn Running is holding an event inspired by these adorable little creatures and the medal is super cute too!

  • Enter online
  • Age 18 & over
  • 30.59 miles road running + 0 ft ascent
  • Sun 7 Sep
Pulborough, West Sussex, UK

The Sufferings | Ultra

  • 39 miles trail running + 2126 ft ascent
  • Sat 20 Sep
Maidstone, Kent, UK

Triple Trail Races | 100K

  • 100 km trail running + 5892 ft ascent
  • Sat 20 Sep
Maidstone, Kent, UK

Triple Trail Races | 50K

  • 50 km trail running + 3550 ft ascent
  • Sat 27 Sep
Lewes, East Sussex, UK

Dark Downs 50K Race

  • 50 km trail running + 4200 ft ascent
  • Sun 28 Sep
Guildford, Surrey, UK

North Downs Way Ultra Run

  • 30 miles trail running

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