Clarendon Marathon 2026 Entry, Date & Race Info

The Clarendon Marathon is a well-known UK trail marathon following the historic Clarendon Way from Salisbury to Winchester. With over 90% of the route off-road, it takes runners along ancient tracks, woodland paths, and open countryside, offering a scenic but demanding point-to-point course.

The terrain is varied and challenging, with rolling hills and uneven ground throughout, making this a true trail marathon rather than a road race. It is not a personal best course, but it’s highly regarded for its atmosphere, organisation, and unique route between two historic cities.

The Clarendon Marathon is best suited to experienced runners, trail enthusiasts, and those looking for a tougher marathon challenge. It also attracts runners preparing for longer endurance events, with additional distances available for those not tackling the full marathon.

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