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I'm too tired to look but there's the Discmania Deep In The Game series that has one episode of ripping it and the current world record is on Youtube. There are others like earlier worlds distance competitions and USDGC distance showcase and a couple of Discraft videos of long throwing technique.
I don't know if they've released whole distance competitions maybe they should do just that. The world record is Innova territory on their site:
http://www.innovadiscs.com/home/492-david-wiggins-jr-sets-new-distance-record-with-blizzard-champion-boss.html
This promo set turned into an unofficial distance event when the guys got excited so you can imagine how loose they were when they started the competition at the Finnish Open 2010 the next day
I imagine you have seen the dual angle slow motion videos of Avery Jenkins on Youtube channels mfranssila and "Seven Drives With Avery Jenkins" on lcgm8.