why when you run your chest feels like it is really cold and heavy? it really hurts.?

Question

and i'm pretty thin, but not in shape. i just started back up running. but the thing is that this has allways really happend to me. If im in shape or not. And its allways really hard to breath when i run...well sometimes, also really HARD to catch my breath, even if im in shape. So my question is, is this normal???

Answer 1

because you are running to fast and to long

Answer 2

Sports bra's help if you are large busted. It may just be very cold out and you need to run inside on a treadmill until it warms up...