<human>: Could you distill the essence of the text into 1-3 sentences?

history: decided to get back in shape in the spring, joined a gym, spent alot of time on the treadmill there, membership expired so i decided to start running out doors, so i guess i've been legitimately running for about a month now

i'm not sure whether to ask this here or in r/anxiety but i'm hoping you guys can help me out. pretty much every time i go running, usually around the start of my 2nd km (i usually run 6 k) i start to feel my anxiety kicking in and restricting my breathing. Basically it feels like someone tied a rubber band around my torso and no matter how hard i try i cant get a solid, deep breath in. this shortness of breath will continue to linger through out most if not the entirety of my run. sometimes it leads to panic attacks, which forces me to stop running altogether. 

i was wondering if anyone here has any tips on how to control my breathing. does anyone else have experience with this shortness of breath feeling or anxiety? will this eventually just go away on its own?
<bot>: i start to feel anxious, feel like i cant breathe, not able to run properly as a result. can you help?