It has been mentioned before, Paul Larsen who piloted Sailrocket to a new speed record and then participated in the re-enactment of Shackleton’s trek. Going from being the fastest man under sail to the slowest.( 60 knots vs 3 knots)
For me, a recurring theme or thought is the idea of the first person to do something; that first leap of faith if you will. The other thought coupled with this is the context of time.