Yeah, and you hurt yourself at times, sadly.
You have posted a very creative picture. However, you've forgotten your tone and register. This post is actually directed to a teacher so it shouldn't be this casual and I'm no 'weird dude'. You also forgot the basics of greetings, and the task at hand, that is, to say three things about yourself. It is good you love parkour so much but I would like to know at least two more things about you.