For those of you who don’t know swimming, it is a water sport. There are 4 types of strokes, freestyle, backstroke, breaststroke, and butterfly. People swim all over the world and the best swimmers in their country come to compete in the Olympics. The summer Olympics are held every 4 years and in 2004 it was held in Athens, Greece. The swimmers who swim in the Olympics are usually famous like Michael Phelps, Lenny Krazelburg, and Jenny Thompson.