OCT4
Trail Running•Marathon
Altra Kielder Marathon
Kielder, England, United Kingdom42.195 km+166 m
Trail RunningHalf Marathon
Altra Kielder Half Marathon
4 October 2026
Kielder, England, United Kingdom
Race details
Modality
Individual
Organizer
Kielder Marathon
Distance
21.097 km
Elevation
+166 m
Start time
10:15
Terrain
Trail
Difficulty
Intermediate
Course profile
Hilly
Minimum age
17+
Certified
No
Circuit
Kielder Marathon Weekend
Event description
Experience the natural beauty of Northumberland at the Altra Kielder Half Marathon, a race that winds around the scenic Kielder Water. The course features undulating forest tracks and lakeside trails, offering a moderately challenging profile in a stunning wilderness setting. Often associated with 'Britain's most beautiful' marathon weekend, this event is a must-do for trail runners seeking a picturesque and well-organized race.
Related events
OCT4
Running•Marathon
Kielder Marathon
Kielder, England, United Kingdom42.2 km
OCT4
Running•Half Marathon
Kielder Half Marathon
Kielder, England, United Kingdom21.1 km
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Sport
Trail Running
Distance
Half Marathon
Country
United Kingdom
Region
England