The Threshold Trail Series is a multi-award winning series of four ultra marathons that explore the UK’s most iconic paths. Runners and walkers are fully-supported on the signed routes and have the option to take on the challenge in one go, or camp overnight and split the distance across the weekend.

 

  • HEINEKEN Race to the Castle
  • Race to the King
  • Dixons Carphone Race to the Stones
  • Race to the Tower

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