This one is poorly-labelled at Youtube, but it appears all these Hellenic Society videos come from the Sport and Competition in Greece and Rome conference at the British Museum a while back:
Lecture: Jason König ~ Philostratus’ Gymnasticus and beyond
rogueclassicism 
I see that Koenig is working on an English translation of Philostratus’ Gymnaticus for the Loeb series, for publication in 2013 (this per his page at http://www.st-andrews.ac.uk/classics/staff/jpk3/#books-tab). Thanks for posting this.
I see that Koenig is working on an English translation of Philostratus’ Gymnaticus for the Loeb series, for publication in 2013 (this per his page at http://www.st-andrews.ac.uk/classics/staff/jpk3/#books-tab). Thanks for posting this.