Just post at any one of these sites (The 1st two you must register to post there) and you'll find what you're looking for. Lots of guys in your area still race.
http://www.hydroracer.net
http://www.boatracingfacts.com
http://b4.boards2go.com/boards/board.cgi?user=swampcridders
Good luck, and look after those knees!