I'm doing a webpage of my favorite old Nintendo games for school - one of my categories is sports games, and I KNOW that there was a summer Olympics game that existed for either the SNES or NES. You could pick your country (I want to say that the USSR or Unified Team was still around then), and one of the events was gymnastics.

I cannot find this game anywhere and it is driving me craaaaaazy. Anyone else remember it? It was insanely difficult and frustrating, and another event was swimming. I've found a few Olympics games, but none with the events I'm talking about. Gak.

8-) 8-)

The only thing I could think of is track and feild,
because that looks like Olympics.

You need more details.

There is a SNES game called Olympic Summer Games.

My guess for NES would be World Games, however there is no gymnastics.

You can always double check these, although I doubt any are what you expect:
Super Team Games
Athletic World
California Games
World Class Track Meet
Caveman Games
Winter Games

you're probably thinking of Gold Medal Challenge?

http://www.playright.dk/infotitel.php?id=12886