Does he like me?? [read inside for more info =D!]?

Ok, i like this guy, but i cant tell if he likes me!!! like when im sitting w/my friends, he'll look at me, and when i look at him, he'll look at me. and yesterday at P.E.. i was sitting on the bleachers w/one of my friends, and he was walking on the track, and whenever he would walk past us, he would like start to run [like try to show off????] soooo...does he like me??