I may be cheating the plan slightly because I've been a runner for a little while now, so I'm more so listening to my body and am so far up to 1.5km per run. However I really really cannot breathe when I run, I start out okay and then at about the 0.8km mark I just can't catch a breath. I focus on my breathing almost all the way round my little route and I've tried nose breathing to warm the air on the way in, I've tried mouth breathing deeply so it pushes my tummy out as opposed to chest breathing. I've also been trying to breathe in a pattern such as 2:2 or 4:4.
Do you think this is my actual lungs or poor breathing techniques? If anyone has overcome it I'd love to hear how!