Trail Events

Britain’s Most Beautiful Marathon is the finale to a weekend of events, starting with the Kielder 10K & Kielder Run Bike Run followed by the Kielder Half Marathon and Junior races.

A full and half iron-distance triathlon in and around the stunning and challenging Kielder Water and Forest. The summer of 2022 will welcome the first edition of an event which combines scenery, fortitude, adventure, and achievement.