No you do not have to; you could just do it for a hobby.
Freestyle Disco is a rapid dance performed by girls and boys from the age of 3 and up. It includes demanding skills and lots of practice:
It started in the late 1980's when disco died
swimming freesTYLE
freestyle skiing
Dawn Fraser's specialty was freestyle swimming and she competed in the 100 meter freestyle, 400 meter freestyle, 4x100 meter freestyle relay, and 4x100 medley relay events at the Olympics.
400m freestyle. he came 14th overall.
Women have been allowed to compete at the Commonwealth Games since 1930.At the '30 Games, Women were restricted to Aquatic events (Diving: 3m springboard and 10m platform; Swimming: 100yd freestyle, 400yd freestyle, 100yd backstroke, 200yd backstroke and 4x100yd freestyle relay).
Swimming. Meyer, from the United States, won gold in women's 200 meter freestyle, 400 meter freestyle, and 800 meter freestyle at the 1968 Games in Mexico City.
One style of wrestling is shoot wrestling and another style is technical.
Yes, Grant Hackett is scheduled to compete in the 400 meter freestyle and 1500 meter freestyle at the 2008 Games.
At the Olympics, both men and women compete in the 4x100 meter freestyle relay, 4x200 meter freestyle relay, and 4x100 meter medley relay.
Athletes from Jamaica are scheduled to compete in bobsled, skeleton, and freestyle skiing at the 2010 Olympics. Athletes from Scotland compete with the team from Great Britain in the Olympics.