Are we talking about Master games, amature games, compositions?...
Longest chess game in moves
Hi evandwood--maybe you're lucky you didn't set the record for this one. Sources describe a 269-move draw that lasted over 20 hours and a 237-move victory from a few years back:
http://en.wikipedia.org/wiki/List_of_world_records_in_chess#Longest_game

I have heard someone complaining in the Help and Support room about to players stalling in the tournament and meaningfully playing games over 1000 moves. I have not seen any proof of this though...

i have played a 300 move game on lichess against LM lance it ended a draw
What is your nickname in lichess?
what is the longest chess game in moves? I have a game that has had 123 moves.