阅读短文，选择正确的答案。

My name is Mike. I'm a pupil and I love sports very much. On Saturday morning I often go to the gym near my home. From 10:00 to 11:30. I swim with my father or my mother in the gym. On Saturday afternoon, I always play football with my friends Tom. Ben, Jack and Billy. We play in the playground from 5:00 to 6:00. It's so fun. We never play in the park, there are many old people. Saturday is my favourite day. Do you know what sport I am good at? I always win the race in our school sports day.