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Flat Trail runs in September 2026

Find flat trail runs near me 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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We all love to be beside the seaside, so why not enjoy a trail run from the coast at Hornsea in East Yorkshire? You can grab yourself fish and chips and an ice cream from the front after the race.
  • Sat 5 Sep 2026
  • £25-£42
Hornsea, East Yorkshire, UK

Hip Hip Hooray it's Hornsea

We all love to be beside the seaside, so why not enjoy a trail run from the coast at Hornsea in East Yorkshire? You can grab yourself fish and chips and an ice cream from the front after the race.

  • Beginner-friendly
  • Event village
  • Coast
  • Age 16 & over
  • 10K run
  • 10 miler
  • Half marathon
  • Trail run
  • Marathon
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
  • Sat 12 Sep 2026
  • £80-£120
Brandon, Suffolk, UK

Thetford Back Yard Ultra Festival

Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.

  • Families
  • Beginner-friendly
  • Event village
  • Age 12 & over
  • Fixed time runs 2
  • Ultra run
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. With distances ranging from 10K to ultra marathon along the flat, even towpath - this event is perfect for all abilities.
  • Sat 19 Sep 2026
  • £25-£56
Leeds, West Yorkshire, UK

Oktoberfest

Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. With distances ranging from 10K to ultra marathon along the flat, even towpath - this event is perfect for all abilities.

  • Beginner-friendly
  • Event village
  • Age 16 & over
  • 10K run
  • 10 miler
  • Half marathon
  • Trail run
  • Marathon
  • + 1 more race
  • Sun 6 Sep 2026
Torquay, Devon, UK

City to Sea

  • Half marathon
  • Marathon
  • Fri 11 - Sun 13 Sep 2026
London, UK

Thames Path Ultra Challenge

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Ultra run
  • 10K run
  • + 4 more races
  • Sun 13 Sep 2026
Langport, Somerset, UK

Naked | Clothes-free run

  • 5K run
  • 10K run

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