After five weeks training, the comedian completed 43 marathons in 51 days, clocking up well over 1,000 miles on his epic journey to raise cash for Sports Relief/Comic Relief.
The total amount he raised isn't clear, but considering the national press exposure he's garnered on his trails (as well as some self-promotion via pictures on Twitter, like above), the full figure should be a fantastic achievement.
Which other famous stars have put their careers aside to raise some cash for those in need?
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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