Kielder Marathon Weekend

The Altra Kielder Marathon Weekend, held in Kielder Forest Park, Northumberland, celebrates 15 years as "Britain’s Most Beautiful Marathon" in 2025. The event features an almost entirely off-road marathon route around Kielder Water, northern Europe’s largest man-made lake. The weekend includes a variety of races: a 10K, Gravel Duathlon, Half Marathon, Junior races, and the marathon itself, 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 shuttles, secure baggage drop, and local refreshments. The event encourages a weekend getaway with family and friends in scenic Northumberland. Visit the organization's website for the most recent information.