Athletes have blood tests because they need to be tested for drugs.
The Paralympic Games are a international multi-sport event of athletes with a physical disability. The Oympic Games are a international multi-sport event of athletes with no physical disability.
all athletes, regardless of the sport or event in which they complete
They didn't. Sport was done in the nude.
The number of practice runs athletes get in the Olympics varies by sport and event. For some sports, like skiing or snowboarding, athletes may have several training runs before their competition. In contrast, other sports, such as track and field, may offer limited practice opportunities. Ultimately, the specific number is determined by the event schedule and the venue's regulations.
All athletes, regardless of the sport or event in which they compete
The Olympics has about 13 times more athletes than the World Cup of Soccer. But they are not comparable - one is a men's and a women's multi-sports event, the latter is just an event of one sport, separate for men's and for women's.
There's a blood test, but no urine test.
so you make sure that they are cheating and trying to get and advatage in the sport or event that they are playing in. Boo Yah!
before a sporting event and after
It depends on the sport. In snowboarding, for example, athletes almost always listen to their mp3 player. Obviously some sports such as figure skating music is part of the sport. I'm not sure about other sports, but the rules probably wouldn't be any different than they are for any other event for any sport.
athletes
Baseball