Kielder Marathon Weekend

The Altra Kielder Marathon Weekend, held in Kielder Forest Park, Northumberland, celebrates 15 years in 2025 as "Britain’s Most Beautiful Marathon." The event features an almost entirely off-road marathon course around Kielder Water, northern Europe’s largest man-made lake. The weekend includes multiple races: a 10K, Gravel Duathlon, Half Marathon, and Junior races, creating an electric and festive atmosphere. Participants receive medals and goody bags, with prizes for top finishers and age categories.

Amenities include a free park and ride for runners, spectator shuttle buses, secure baggage drop, and local refreshments. The event encourages a weekend visit with family and friends to enjoy the scenic Northumberland countryside. Visit the organization's website for the most recent information.