It’s the 10K associated with the pool nationals. Lots of talking head footage, but there is some good footage of actual swimmers in action along with the guy in the hat.
http://216.197.124.49/SwimmingWorld/USA_Nationals/OpenWater.wmv
or if it doesn’t work,
http://www.swimmingworldmagazine.com/tv/preview.asp
Interesting to see how much some of the top guys shorten up their strokes compared to what they do in the pool.