Check out this incredible GoPro video of a man racing the tube from Mansion House to Cannon Street.
James Heptonstall filmed his 380m sprint while his friend Noel Carroll took the Circle Line Tube, he made it back on to the train with seconds to spare and was applauded by fellow passengers.
The stunt included climbing 75 steps and passing through 2 ticket barriers.
https://www.youtube.com/watch?v=PH_Z8Ghuq6E