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Multi-terrain runs in South East in Spring

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

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The Backyard Ultra format is simple: Run a 4.167-mile loop (a “yard”) every hour, on the hour, until only one runner remains. Finish within 60 minutes to stay in. Miss the bell, and you're out.
  • Sat 7 Mar 2026
  • £113-£115
Deal, Kent, UK

Kent Backyard Ultra | Round Three: Sholden | Full Challenge

The Backyard Ultra format is simple: Run a 4.167-mile loop (a “yard”) every hour, on the hour, until only one runner remains. Finish within 60 minutes to stay in. Miss the bell, and you're out.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 16 & over
  • 1 day trail running + 0 ft ascent
A scenic event since 1998 that includes the Thames towpath and Hampton Court Palace. It's a staple in the spring racing calendar, particularly popular among those training for spring marathons.
  • Sun 8 Mar 2026
  • £27.50-£41.50
Kingston upon Thames, Surrey, UK

Kingston Break-fest Run

A scenic event since 1998 that includes the Thames towpath and Hampton Court Palace. It's a staple in the spring racing calendar, particularly popular among those training for spring marathons.

  • Newcomers
  • Event village
  • Rural
  • Public transport links
  • Age 17 & over
  • Multi-terrain run 3
A new and unique concept where you decide how many 10km loops you feel capable of on the day - whether it's 10km, Half Marathon, Full Marathon or an Ultra Marathon! Push yourself further or go easy.
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar

A new and unique concept where you decide how many 10km loops you feel capable of on the day - whether it's 10km, Half Marathon, Full Marathon or an Ultra Marathon! Push yourself further or go easy.

  • Newcomers
  • Dogs allowed
  • Event village
  • Park
  • Rural
  • Public transport links
  • Age 16 & over
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
A superbly crafted spring marathon and half through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?
  • Sun 19 Apr 2026
  • £29-£38
Ashford, Kent, UK

Kent Spring Marathon & Half Marathon

A superbly crafted spring marathon and half through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?

  • Recycling
  • Newcomers
  • Plastic bottle free
  • Event village
  • Rural
  • Sustainability policy
  • Public transport links
  • Age 17 & over
  • Half marathon
  • Marathon
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 15 Mar 2026
Wokingham, Berkshire, UK

Siren Craft Brew 10K

  • 10 km multi terrain running
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20

  • 10 miler
  • Half marathon
  • Mon 6 Apr 2026
Reading, Berkshire, UK

Mortimer 10K

  • CaniCross
  • 10K run
  • Mon 6 Apr 2026
Freshwater, Isle of Wight, UK

West Wight 3 Hills

  • 8 miles multi terrain running + 257 m ascent
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge

  • Trail run
  • Half marathon
  • Marathon
  • Sat 9 - Sun 10 May 2026
Henley-on-Thames, Buckinghamshire, UK

Tough Mudder London West

  • Obstacle race 5
  • Sat 16 - Sun 17 May 2026
Henley-on-Thames, Buckinghamshire, UK

London West Spartan Trifecta Weekend

  • Fun run 9
  • Half marathon 2
  • 5K run 2
  • 10K run 2

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