Im 16 female 5'7 and want to know where i can take up competetive female teen kickboxing??

ok im one of those girls thats interested in playing video games and kickin *** ^_^ i was watching tv and i was watching ufc fighting champions i was all "dayeeeemmm" my uncle is training me to box but thts not too serious he just tells me to do cardio 4 to 5 times a week, weight lift and keep a healthy diet. i think i can really take up kickboxing competitevley only if i knew where and how? help? lol im tired of just running and punchin my pillows and its to cold to surf so anybody know a place i can train for kickboxing , teen? female? hmm? hmm? thanks guys!!