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

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
  • £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
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
  • £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.

  • Beginner-friendly
  • Event village
  • Rural
  • Public transport links
  • Age 17 & over
  • Multi-terrain run 3
Run fast on a flat, traffic-free course, then celebrate properly with craft beer, live atmosphere and a buzzing brewery finish.
  • Sun 15 Mar
  • £30
Wokingham, Berkshire, UK

Siren Craft Brew 10K

Run fast on a flat, traffic-free course, then celebrate properly with craft beer, live atmosphere and a buzzing brewery finish.

  • Beginner-friendly
  • Entertainment
  • Music
  • Chip timing
  • Enter online
  • Event village
  • Age 18 & over
  • 10 km multi terrain running + 87 ft ascent
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
  • £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.

  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Park
  • Rural
  • Public transport links
  • Age 16 & over
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
Conquer three iconic Isle of Wight climbs in this challenging multi-terrain race, featuring stunning coastal paths, rolling countryside, and rewarding panoramic views throughout.
  • Mon 6 Apr
  • £14-£20
Freshwater, Isle of Wight, UK

West Wight 3 Hills

Conquer three iconic Isle of Wight climbs in this challenging multi-terrain race, featuring stunning coastal paths, rolling countryside, and rewarding panoramic views throughout.

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Undulating
  • Hilly
  • Event village
  • Age 16 & over
  • 8 miles multi terrain running + 257 m ascent
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
  • £31-£39
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
  • Beginner-friendly
  • Plastic bottle free
  • Event village
  • Rural
  • Sustainability policy
  • Public transport links
  • Age 17 & over
  • Half marathon
  • Marathon
Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.
  • Sat 2 - Mon 4 May
  • £6-£69
Burgess Hill, West Sussex, UK

Mid Sussex Marathon Weekend

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.

  • Families
  • Beginner-friendly
  • Fancy dress
  • Event village
  • All ages
  • 10 miler 2
  • 10K run
  • Marathon 2
  • Fun run 6
  • Multi-terrain run
  • Sun 1 Mar
Windsor, Berkshire, UK

Windsor & Eton 10K

  • 10K run
  • CaniCross
  • Sun 8 Mar
Steyning, West Sussex, UK

Steyning Stinger

  • Half marathon
  • Multi-terrain run
  • Marathon
  • Sun 8 Mar
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 22 Mar
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20

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

Mortimer 10K

  • CaniCross
  • 10K run
  • Sun 19 Apr
Basingstoke, Hampshire, UK

Dell 10K & Half Marathon

  • 10K run
  • CaniCross
  • Half marathon
  • Sun 3 May
Lancing, West Sussex, UK

Three Forts Challenge

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

Tough Mudder London West

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

London West Spartan Trifecta Weekend

  • Fun run 9
  • Half marathon 2
  • 5K run 2
  • 10K run 2
  • Mon 25 May
Marlow, Buckinghamshire, UK

Rebellion 10K

  • 10 km trail running
  • Sat 30 May
Maidenhead, Berkshire, UK

Beat The Sunset 50K

  • 50 km multi terrain running

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