Under-23 athletics is a special kind of sports competition for people who are younger than 23 years old. It's like playing games with your friends, but on a bigger scale and with rules to follow.
In these competitions, people who are under 23 years old show off their athletic abilities by running, throwing things like balls or javelins, jumping, and doing other kinds of sports activities. They can compete against each other individually or as a team.
The special thing about under-23 athletics is that it gives younger athletes a chance to compete at a high level. It's like a stepping stone between the junior or youth competitions and the adult competitions.
To be able to compete, the athletes must follow certain rules and undergo some training beforehand. They must also be physically fit and healthy, as well as mentally prepared for the challenge. People who watch these competitions can be very impressed with the athletes' skills and achievements, but also understand that everyone is still learning and improving.
So, in a nutshell, under-23 athletics is a special kind of sports competition for younger athletes where they can showcase their abilities and prepare themselves for the future.