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Multi-terrain runs in South East in March 2026

Find multi-terrain runs near me in South East in March 2026 - filter by date or location, 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 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
The traditional Kingston 8-mile loop is a single lap from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!
  • Sun 8 Mar 2026
  • £27.50-£34.50
Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 8 Mile

The traditional Kingston 8-mile loop is a single lap from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

  • Enter online
  • Flat
  • Age 17 & over
  • 8 miles road running
The 16-mile race is two laps of the traditional course from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!
  • Sun 8 Mar 2026
  • £32.50-£39.50
Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 16 Mile

The 16-mile race is two laps of the traditional course from the ancient marketplace, as part of the wider raceday, with great PB potential and bespoke medal too!

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 16 miles road running
The 20-mile race is two 8-mile laps from the ancient marketplace plus a 4-mile stretch along the river towpath, as part of the wider raceday, with a bespoke medal for every finisher!
  • Sun 8 Mar 2026
  • £34.50-£41.50
Kingston upon Thames, Surrey, UK

Kingston Break-fest Run | 20 Mile

The 20-mile race is two 8-mile laps from the ancient marketplace plus a 4-mile stretch along the river towpath, as part of the wider raceday, with a bespoke medal for every finisher!

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 20 miles road running
A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 10K

A new and unique concept where you turn up ready to conquer 10km but if you're feeling great, tackle a Half Marathon or even further depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 10 km multi terrain running + 1501 ft ascent
A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Half Marathon

A new and unique concept where you turn up ready to conquer a Half Marathon but if you're feeling great tackle a Marathon, or go easy and run a cool 10km depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 13.1 miles multi terrain running + 3002 ft ascent
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 26.2 miles multi terrain running + 6004 ft 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 and kit.
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | 40 Mile Ultra Marathon

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 and kit.

  • Enter online
  • Hilly
  • Age 16 & over
  • 40 miles multi terrain running + 9006 ft ascent
  • Sun 8 Mar 2026
Dorking, Surrey, UK

Leith Hill Half Marathon

  • 13.1 miles trail running + 1778 ft ascent
  • Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20 | 10 Mile

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

Twin Lakes 20 | 20 Mile

  • 20 miles multi terrain running

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