I'm 13 and I've been playing for a few years, I might be playing fullback this year because I can tackle very good and I can catch and run, but I was never really that fast and I'm still not, does anybody know any exercises for my legs or techniques to make me faster? I'm about seven stone and five foot 2I'm 13 and I've been playing for a few years, I might be playing fullback this year because I can tackle very good and I can catch and run, but I was never really that fast and I'm still not, does anybody know any exercises for my legs or techniques to make me faster? I'm about seven stone and five foot 2

Google it there heaps of exercises and sprint training stuff everywhere.