London's calling - what does it take to perform?

The Forum asks elite athletes what it takes to perform at the highest level. The physical and mental costs are great. Is it worth it?
The first video is of the Wednesday forum on July 4, and the second is the Thursday forum on July 5. The panelists are …
Elka Whalan (nee Graham) spent the best part of a decade at the top of Australian swimming. A dual Olympian (Sydney and Athens), she won Olympic silver in the 4x200 freestyle relay.
Jeremy Rolleston is a two-time Olympian representing Australia in two sports, investment banker, author, and founder of the Propeller fashion show.
Nick Farr-Jones (Wednesday forum) was captain of the team that brought home the Rugby Union World Cup in 1991, the 1992 Bledisloe Cup, and convincingly defeated the Springboks in August 1992.
Allison Shreeve (Thursday forum) is a committed and dedicated athlete, proud to represent Australia at the highest level of her sport of Windsurfing.
Photo by Martin Péchy from Pexels