I'm amazed there was room at the pin to spin around...twice, and still get a good start!
When you have total boat control and total confidence in that control you'll be surprised what you can do with just in a very confined area. Practice and training pays, and that is just a small part of separates the top of the fleet from the rest of us! The boys have skills! How many of us practice just such a maneuver?
Kudo's gentlemen!
BTW, I'm not calling them the dudes! I'm twice their age and I'll call them boys for the rest of my days! :-)
http://www.cerclevoilebordeaux.com/regates/resultats-2011/global_f16_g.htm