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Multi-terrain runs in UK in August 2026

Find multi-terrain runs in UK in August 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.

Take on a stunning ultra journey along the Welsh coastline, finishing in style at a historic castle. It's an unforgettable challenge packed with scenery, heritage, and adventure.
  • Sat 15 Aug
  • £44-£70
Aberdovey, Gwynedd

Run to the Castle Ultra

Take on a stunning ultra journey along the Welsh coastline, finishing in style at a historic castle. It's an unforgettable challenge packed with scenery, heritage, and adventure.

  • Marathon
  • Ultra run
  • Beginner-friendly
  • Event village
  • Coast
  • Age 18 & over
Challenge yourself on this scenic, undulating road race across the Isle of Wight. Enjoy breathtaking coastal views, peaceful countryside lanes, and amazing local support from start to finish.
  • Sun 16 Aug
  • £20-£25
Ryde, Isle of Wight

Isle of Wight Half Marathon

Challenge yourself on this scenic, undulating road race across the Isle of Wight. Enjoy breathtaking coastal views, peaceful countryside lanes, and amazing local support from start to finish.

  • 13.1 miles multi terrain running + 183 m ascent
  • Beginner-friendly
  • Chip timing
  • Enter online
  • Undulating
  • Event village
  • Age 17 & over
  • Sat 1 Aug
  • £10-£20
London

Orion Harriers Forest Five Series - Race 3

  • 5 miles multi terrain running
  • Sun 2 Aug
  • £7-£9
Sturminster Newton, Dorset

The Stur Half & 5K | Stur 5K

  • 5 km multi terrain running
  • Sat 8 Aug
  • £34
Leeds, West Yorkshire

The Ultra Loop - Temple Newsam

  • 8 hrs multi terrain running
  • Sun 9 Aug
  • £19.60-£32
Slough, Buckinghamshire

Burnham Beeches Half Marathon and 10K

  • 10K run
  • Half marathon
  • Sun 9 Aug
  • £28.80
Marlborough, Wiltshire

Ramsbury Gold 10K

  • 10K run
  • CaniCross
  • Sun 9 Aug
  • £24-£40
Ashford, Kent

Wye King Challenge 10K & Half Marathon

  • 10K run
  • Half marathon
  • Thu 13 Aug
  • £12-£18
Stoke-on-Trent, Staffordshire

Dave Clarke 5K

  • 5 km multi terrain running
  • Sat 15 Aug
  • £97.47-£113.72
Badminton, Gloucestershire

Tough Mudder South West

  • Obstacle race 2
  • Sat 22 Aug
  • £78-£93
Bristol, Somerset

The Summer Green Man Ultra

  • Ultra run 2
  • Sun 23 Aug
  • £28-£30
Belper, Derbyshire

The Belper Rover

  • 30 km multi terrain running
  • Sun 30 Aug
  • £27.60
Arundel, West Sussex

Arundel Castle 10K Run

  • 10 km multi terrain running

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