UK’s best Trail Series & Endurance Events

A huge thanks to all those that voted for us at this year’s Running Awards. We’re super proud to have scooped four awards, including best Trail Race Series and Endurance event.


The Threshold Trail Series

The Threshold Trail Series combines the four best-loved endurance events in the UK. Whether you decide to run or walk, each event offers a unique challenge using a variety of terrains, gradients, elevations, distances and awe-inspiring landscapes.

Race to the Tower: 5-6 June 2021 (now postponed to 2022)

Race to the King: 19-20 June 2021

Race to the Castle: 26-27 June 2021

Race to the Stones: 10-11 July 2021

For corporate team enquiries, please email

We can’t wait to welcome you back to the start line in 2021…

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