The ends of the lanes have touch pads or sensors that respond to contact or pressure from the swimmer. When they hit the wall it stops the timer. Im sure they use other methods too.
Approximately 950 swimmers are expected to participate in the Summer Olympic Games in Beijing.
1200
themselves.
the koalas from ancient Greece are now swimmers from Africa
42
1200.
on a site
they swim and they swim a lot
Micheal phelps
8.
nothing
I always thought it was because they have an inherently higher muscle to fat ratio, making them significantly less bouyant to compete at Olympic standard?