Kielder Marathon Weekend

OCT
3-4
2026
Off-road races around Kielder Water on the weekend of 3 to 4 October 2026, including marathon, half, 10K, gravel duathlon and junior races with on-site services.
Marathon Half Marathon 10 kilometers

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Altra Kielder Marathon Weekend (early October 2026)

The event is a two-day weekend of off-road races around Kielder Water in Kielder Forest Park, Northumberland. The course for the marathon follows an almost entirely off-road route around northern Europe’s largest man-made lake. The weekend is scheduled for the weekend of 3 to 4 October 2026.

Distances and categories:

  • Marathon, £45, 18 years and above
  • Half Marathon, £39, 17 years and above
  • 10K, £27.50, 15 years and above
  • Gravel Duathlon, £60 individual, £83 team (team must have 3 members), age restrictions apply
  • Junior races U11 and U15, £8 per entry

Event services and notes: All finishers receive a medal and goody bag. A free park and ride system operates for runners; spectator passes are available for a small fee and include shuttle buses to vantage points on the route. There is a secure baggage drop and on-site refreshments featuring local produce. Prizes are awarded to the top three male and female finishers and to first V40, V50 and V60 categories.

Additional entry conditions for the gravel duathlon require British Triathlon membership or a single-use race pass. A £2 discount is applied at checkout for UKA club members where applicable. Visit the organization's website for the most recent information.

Marathon
Kielder Marathon
Half Marathon
Kielder Half Marathon
10 km
Kielder 10k
Kielder Gravel Duathlon

Events nearby

Fully off road 10 km trail race at Rock UK, Newcastleton on 15 August 2026 with forest tracks, singletrack, technical downhills and a marked marshalled course.
A challenging fell race in Northumberland's beautiful countryside. The 5.8km route features 300m of climb and is part of the regional championship. Entry is available on the day.
Join this lively fell race at Bellingham Showfield as part of the country show, tackling 4 miles with 600 ft of climb across classic Northumberland terrain. No pre entry required; runners aged 16 and over can sign up on the day.
Trail running at Kielder Castle on 5 Sep 2026 with routes from 6 km to 50 km, on-site camping, cup free outposts and timed results.
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