Women first started swimming in the Olympics in 1912.
Lisbeth Trickett (Australia) won the gold medal in the women's 100 meter butterfly swimming event in the 2008 Summer Olympics.
Swimming
Stephanie Rice (Australia) won the gold medal in the women's 400 meter individual medley swimming event in the 2008 Summer Olympics.
Swimming or diving
The longest swimming event for men in the Olympics is the 1500 meter freestyle and for women is the 800 meter freestyle.
Tennis
1500m
Swim meat
There are a few events that take place in the swimming pool at the Olympics * Swimming * Diving * Synchronised Swimming * Water Polo
There is no 50 km swimming event.
Women's Boxing