Marathon Races in Northumberland

Marathon races cover the classic 26.2 miles (42.2km). From city road marathons to gruelling fell and trail marathons, find your next 26.2 challenge across the UK.

1 upcoming marathon race found in Northumberland If you don't see a race listed, create a free account to add a race to the list.

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Altra Kielder Marathon

Northumberland 4 Oct 2026
Terrain Trail
Distance 42.2km
Ascent 550m
Location Northumberland
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