If you play sports, you are an athlete! But some athletes play sports as their job. They are professional athletes.
Professional athletes spend every day practicing their sport. They often run and lift weights to get stronger.
Most athletes have coaches. Coaches train athletes to be the best that they can be.
The best athletes go to the Olympics. The Olympics is a big competition. People from all over the world compete. Athletes compete to win medals. It is very hard to get into the Olympics. But if you practice and work hard, you could get to the Olympics!