Richard Whitehead begins mammoth journey from John O'Groats to Land's End.

Richard Whitehead sets off from John O'Groats.
Richard Whitehead sets off from John O'Groats Credit: Richard Whitehead

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Whitehead's 40 marathons

Paralympic champion Richard Whitehead has completed his challenge to run 40 marathons in 40 days from John O'Groats to Lands End.