OCT4
Running•Marathon
Kielder Marathon
Kielder, England, United Kingdom42.2 km
Trail RunningMarathon
Altra Kielder Marathon
4 October 2026
Kielder, England, United Kingdom
Race details
Modality
Individual
Organizer
Kielder Marathon
Distance
42.195 km
Elevation
+166 m
Participants
1,500
Capacity
2,000
Start time
10:15
Terrain
Trail
Difficulty
Intermediate
Course profile
Hilly
Minimum age
18+
Certified
No
Event description
Often dubbed Britain's most beautiful marathon, the Altra Kielder Marathon follows the scenic Lakeside Way around northern Europe's largest man-made lake. The trail course features a mix of forest tracks and lakeside paths with a total elevation gain of 166m, providing a unique challenge in the heart of Northumberland.
Related events
OCT4
Running•Half Marathon
Kielder Half Marathon
Kielder, England, United Kingdom21.1 km
OCT4
Trail Running•Half Marathon
Altra Kielder Half Marathon
Kielder, England, United Kingdom21.097 km+166 m
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Sport
Trail Running
Distance
Marathon
Country
United Kingdom
Region
England