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Trail Ultra runs in South East

Find trail ultra runs in South East in 2025/2026 - filter by date, location or category, 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.

The Eggcellent Easter Orange Run is the first event in the five-day series where you can earn the fantastic easter egg medal in orange! Complete one day, or complete all five!
  • Thu 2 Apr 2026
  • £16-£135
Egham, Surrey, UK

Eggcellent Easter Orange Run

The Eggcellent Easter Orange Run is the first event in the five-day series where you can earn the fantastic easter egg medal in orange! Complete one day, or complete all five!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 4 more races
The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!
  • Fri 3 Apr 2026
  • £16-£35
Egham, Surrey, UK

Eggcellent Easter Pink Run

The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!
  • Sat 4 Apr 2026
  • £16-£35
Staines, Surrey, UK

Eggcellent Easter Green Run

The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
  • Sat 4 Apr 2026
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 5

Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.

  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Age 17 & over
  • 7 hrs trail running
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
  • Sun 5 Apr 2026
  • £16-£35
Staines, Surrey, UK

Eggcellent Easter Purple Run

The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
  • Mon 6 Apr 2026
  • £16-£35
Staines, Surrey, UK

Eggcellent Easter Blue Run

The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
  • Sat 11 Apr 2026
  • £16-£35
Staines, Surrey, UK

Love it or Hate it Run

Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
  • Sat 18 Apr 2026
  • £16-£35
Staines, Surrey, UK

The London Run

Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Take on this legendary 250-mile ultra following rivers and canals in a gruelling anti-clockwise loop through stunning countryside and historic towns within 100 hours.
  • Wed 22 - Sun 26 Apr 2026
  • £100-£350
  • Early bird
Reading, Berkshire, UK

Thames Ring Series

Take on this legendary 250-mile ultra following rivers and canals in a gruelling anti-clockwise loop through stunning countryside and historic towns within 100 hours.

Early bird on now

  • Beginner-friendly
  • Event village
  • Urban
  • Rural
  • Age 18 & over
  • Ultra run 3
This Bank Holiday event is run 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.
  • Mon 4 May 2026
  • £16-£27
Staines, Surrey, UK

Bank Holiday Madness May

This Bank Holiday event is run 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.

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join the Spring 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!
  • Sun 10 May 2026
  • £16-£35
Staines, Surrey, UK

The Spring Lucky Dip Run

Come and join the Spring 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!

  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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?
  • Sat 6 - Sun 7 Jun 2026
  • £95-£105
  • Team & charity places only
Reading, Berkshire, UK

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?

Team & charity places only

  • Dogs allowed at venue
  • Entertainment
  • Music
  • Ballot
  • Chip timing
  • Enter online
  • Event village
  • Event expo
  • Park
  • Free venue entry
  • Sustainability policy
  • Relay
  • Age 18 & over
  • 24 hrs multi terrain running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 13 Jun 2026
  • £60-£62
Wadhurst, East Sussex, UK

Bewl Water Summer | Ultra

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

  • Chip timing
  • Enter online
  • Hilly
  • Age 20-80
  • 50 km trail running + 1500 ft ascent
  • Sat 20 Jun 2026
Chichester, West Sussex, UK

Race to the King

  • 100K ultra run
  • 50K ultra run 2
  • Trail run
  • Ultra run
Series finale on wide forest gravel through Bedgebury National Pinetum and Forest. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
  • Fri 26 Jun 2026
  • £113-£115
Goudhurst, Kent, UK

Kent Backyard Ultra | Round Four: Bedgebury

Series finale on wide forest gravel through Bedgebury National Pinetum and Forest. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Rural
  • Age 16 & over
  • 1 day trail running
  • Sat 11 - Sun 12 Jul 2026
Watlington, Oxfordshire, UK

Race to the Stones

  • 50K ultra run 2
  • 100K ultra run 3
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 12 Sep 2026
  • £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
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 25 Oct 2026
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Lines

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • Beginner-friendly
  • Enter online
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs trail running + 47 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
  • Sun 8 Nov 2026
  • £20-£37
Egham, Surrey, UK

Remembrance Day Run | South

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sun 28 Dec
Southampton, Hampshire, UK

Winter X | 50K

  • 50 km trail running + 832 m ascent
  • Fri 9 Jan 2026
Staines, Surrey, UK

Midweek Chasing Numbers Jan

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 6 Feb 2026
Staines, Surrey, UK

Midweek Chasing Numbers Feb

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 6 Mar 2026
Staines, Surrey, UK

Midweek Chasing Numbers Mar

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Ultra

  • 32.5 miles trail running + 5266 ft ascent
  • Fri 17 Apr 2026
Staines, Surrey, UK

Midweek Medal Madness Run April

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races

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