I missed my university grad to do security for the Montreal Grand Prix in 1985. I was security in the garage section. I got to meet all the drivers and teams. My girlfriend, wife now, got to sit in one of the Lotus Renault cars (I don't know whether it was Ayton Senna's), and the Osella Alfa Romeo team brought us in their van to the finish line it pit row.
Alain Prost and the McLaren team were by far the nicest.
What a graduation. I'll never forget it.