A brunette, a redhead and a blonde are in a breaststroke race. The starter's gun goes off and all three dive into the pool. The brunette and the redhead shoot across the pool and get out. Twenty minutes later the blonde reaches the end and gets out.
The prizes are awarded and the brunette wins the gold,the redhead gets the silver. As the blonde was being presented with the bronze medal she said, " I don't want to be a sore loser but I think the others were using their arms."