Running, standing, no exams

The participating schools are asked to make the initial nominations of students who are in year 10, and have no exams during a specified two-week period. During training, the students must:

1] Be able to run at a sustained pace for 12 minutes
2] Be able to stand still for 4 minutes
3] Show good speed in shuttle runs

What are they training for?

Answer: (select the text below to show)

They are training to be ball boys/girls at Wimbledon.

Question by BV Harish Kumar