Joining a New Sport Sophomore + Junior Year

<p>Since I've been young, I have played tennis. However, ever since Middle School, I hated it and it was a drag. I only still played for my school's team to do a sport. I also did it in 9th grade. Now I'm a sophomore and I actually started running to get in shape and for pure fun. I want to get better so I'm thinking about joining track (Spring) this year and Cross Country (fall) next year. I'm pretty set on it, but I want to know how it would look on college apps (just for curiosity). Does it look bad I quit an activity and started a new one in the middle of my school life?</p>