>long distance runner
Absolutely worthless. You are no better than a weak soyboy. Don't get too close to your opponent if he is a lot bigger than you.
To throw a good punch/kick, you must use your full body. Pivot your foot, ball your fist properly, throw your entire weight into the punch from shoulder to hip. Lead with a kick, because it has a much higher striking range than a punch. Make sure to warm up and stretch before the fight. The higher you can kick the better. Learn how to dodge, block, and counter attack. You are a shit fighter, so the fight will go to the ground. Learn grappling.
Good places to strike: temple, jaw, chin, eyes, right between the eyes, right under the nose and above the lips, hook to the side of the nose, liver, solar plexus, groin, side of the knee, stomp on the foot while pushing, bicep to give him a dead arm, kidney, grab his arm and dig your knuckle into his wrist, his gut if he isn't bracing for it.
Bad places to strike: forehead, front of the nose, cheeks, chest, butt cheeks, his gut if he is flexing.
Illegal places to strike: This isn't self defense; if you cause serious bodily harm or death to your opponent by attacking him in these ways, you will be punished more harshly for fighting so dishonorably: Top of the head, back of the head, throat, back of the neck, spinal cord, pokes to the eyes or in the ear, tail bone, stomping on your opponent while he is down.
Good luck OP but I really hope you get your ass kicked.