1. Each kid is different. Each sport is different. Each team is different.
2. Peaking window is approximately 2 weeks.
3. Girls different than boys.
4. Talking about physical peaking only. Mental peaking even trickier.
5. You can peak any team. And you can do it more than once or twice per year.
6. Most great basketball teams, for example, start the peaking process at the start of the conference tourney. That is why some unexpectedly lose.
7. Peaking involves more quality, less quantity. You have to convince your body to function with all the adaptations it has made, while resting it.

Some coaches are better at it than others.