The Underground has 270 stations and George Marshall and Anthony Smith visited all stations in the quickest possible time.
George, 41 and Anthony Smith, 28 completed the record in 16 hours, 27 minutes and 20 seconds.
“We’re well aware that whilst this may be seen as an insanely geeky thing to do, we’ve also had a lot of fun, friendly times doing it — and best of all, a Guinness World Record certificate! People have also been goading me saying that ‘I’d never beat it’, so it was to prove a point to them as well!”
Geoff and Anthony said the secret to their accomplishment was to start from the outside of the Tube map and travelling into Central London.