Event
Kielder Marathon
Kielder, Hexham, Northumberland, GB
WhenSaturday 3 October 2026 → Sunday 4 October 2026
WhereKielder, Hexham, Northumberland, GB
Formatduathlon
Duration~2 days
Marathon and duathlon weekend event at Kielder, Northumberland.
Listed via runningcalendar.co.uk. Dates and details can change — always confirm on the organiser’s site before entering.
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