Kielder Marathon Weekend

Look out for the return of Britain’s most beautiful in 2024 – entries are now open!

The Kielder Marathon route follows an almost entirely off-road course around northern Europe’s largest man-made lake, Kielder Water, in Northumberland.

Britain’s Most Beautiful Marathon is the finale to a weekend of events, starting with the Kielder 10K & Kielder Gravel Duathlon followed by the Kielder Half Marathon and Junior races. It all adds up to an electric atmosphere and a fabulous weekend in this beautiful part of the country.

Why not make a short break of it and bring your friends and family along? There is plenty to do in and around Kielder Water and the wider Northumberland countryside! Use the accommodation link to look for places to stay.

Early bird prices available until 31st December 2023, make sure you enter now to secure your part in Britain’s Most Beautiful Marathon Weekend!

  • Medal, tech t-shirt and goody bag for all finishers
  • FREE Park & Ride system for all runners. Spectator passes at £3 for the day with shuttle buses to numerous vantage points on the route.
  • Secure baggage drop
  • Post race massage
  • Local produce and refreshments
  • Prizes for top 3 male and female and first V40, V50, V60

Find out more and enter now at

Event Details

£41 Affiliated

£43 Unaffiliated

Half Marathon

£36 Affiliated

£38 Unaffiliated


£25 Affiliated

£27 Unaffiliated

Gravel Duathlon

£60 Affiliated

£65 Unaffiliated

£83 Team (3 people)


£8 - U11 and U16 races

Event Details