They all race in a place called a Velodrome which is a cycling track or on the road. The races go up to about 180 km for the individual event. Since 1904, cycling has been part of the Olympic Games. In 1984, women could finally be part of the games. Cyclists try to achieve medals in the individual races.
Cyclists also race as members of a four person team representing their countries.
Cycling is always a very exciting event in the Olympics.