Altra Kielder Marathon Weekend
Kielder, Hexham, Northumberland
Event details
Britain’s Most Beautiful Marathon is the finale to a weekend of events, starting with the 10K & Gravel Duathlon on Saturday, and followed by the Altra Kielder Half Marathon and Junior races on Sunday. 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!
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Altra Kielder Marathon Weekend is a Road Running event taking place on Sunday 4th October 2026 at Kielder, Hexham, Northumberland. Full entry details, timings and any last-minute changes are on the event's own page linked below - always worth checking directly before travelling, since venues and start times can shift closer to the date. This listing sits alongside our wider calendar of UK athletics and running events.