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Multi-terrain runs in South East in September 2026

Find multi-terrain runs in South East in September 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.

A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.
  • Sun 13 Sep
  • £29-£33
Rye, East Sussex, UK

Rye Ancient Trails 30K & 15K

A true steeplechase race across the breathtaking scenery of the ancient trails surrounding the medieval town of Rye in East Sussex, linking Norman churches as you go.

  • Multi-terrain run 2
  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Event village
  • Rural
  • Sustainability policy
  • Age 16 & over
  • Sat 5 - Sun 6 Sep
  • £199
Polegate, East Sussex, UK

South Coast Ultra Challenge | Full Continuous 100K

  • 100 km trail running + 2100 m ascent
  • Sun 13 Sep
  • £10-£68
Brockenhurst, Hampshire, UK

The Garmin New Forest Marathon

  • Fun run 2
  • Short walk
  • 5K run
  • 10K run
  • Half marathon
  • + 1 more race
  • Sat 19 - Sun 20 Sep
  • £85-£105
Horsham, West Sussex, UK

Tough Mudder London South

  • Obstacle race 4
  • Sun 27 Sep
  • £8-£9
Horsham, West Sussex, UK

Run Barns Green | Kids Colour Run

  • 500 m multi terrain running

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