We are the Marks family. Dad turns 50 on the day of the walk, and the challenge is his desperate attempt to hold onto youth and vitality - and he's dragging his family along too.
World Land Trust (WLT) is an international conservation charity, which protects the world’s most biologically important and threatened habitats acre by acre
Charity website8 hours and 30 minutes
The Yorkshire Peaks Challenge involves climbing Pen-y-ghent, Ingleborough and Whernside, often within 12 hours.