If running a marathon sounds like a daunting feat, try covering 26 miles in freezing February weather through hills, mud and streams -- while carrying a 60-pound backpack.
On Monday, that's just what Paddy Doyle, a former paratrooper and amateur boxer from Birmingham City, U.K., did to...
achievements
backpack
endurance
fitness
marathon
milestone
one-armed push-ups
paddy doyle
pain barrier
physical limits
push-ups
record
record holders republic
royal leamington spa
speed march
strength
terrain
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warwickshire
world record
