Is it too late for me to go into gymnastics?

i started gymnastics when i was 11. i learned a cartwheel, back roll and backbend. i didnt even take lessons, i learned it myself and am still doing it! im 13 now. i weigh 86 lbs and am around 5 or 4 feet tall. i love gymnastics and i want to try competition. i am currently learning a back handspring, walking about 20 inchs. on hands and trying to do an arial on tramp. is it too late to go into comp? please answer in your best way! :)