Kielder Marathon
Race Day Weather
Cool temps, steady conditions
Runners will face temperatures starting at 51°F and peaking at 57°F. With a light breeze from the SE at 10 mph, conditions will feel pleasant. Humidity is high at 81%, so pacing adjustments may be necessary to stay comfortable. Runners should focus on hydration and dress in moisture-wicking gear to manage the dampness.
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Race Info
The Kielder Marathon runs almost entirely off-road on trails around Kielder Water in Northumberland, England, the largest man-made lake in Northern Europe by capacity. The course follows the Lakeside Way through Kielder Forest, England's largest working forest. The race weekend also includes a half marathon, 10K, gravel duathlon, and junior races around the reservoir.
