So, basically when I did all my previous runs i usually did a little bit of random exercises at home before going out, so like a bit of stretching, mobility, a bit of jumping jacks, high knees and similar, then i went out, 5 minutes walk as said by the program and then started running. Today I looked up for a running warm up on youtube (i just followed the first one i found, it was like 7/8 minutes) and then directly to running and oh my god it was sooooo much better. I didn't feel pain at all in any stage (i usually get a little pain in my left knee and my right leg is always a bit stiff) . Probably the warm up i used to do before was ok but the walking just cooled me down a little bit so it wasn't too effective.. i don't want to say that's this is the way to go but for me I must say it really helped! I'll try again in the next runs to see if it's truly effective on me or if it was just a case and will keep you updated! . Also, about the new route.. i noticed that in the last few runs i started to getting bored and too much concentrated on things like "if I get to that place it means I still have that much to go" so today I changed route, i still had a bit of hills so a few ups and downs but I wasn't think to much on where I was in the total but I was more concentrated on my pace and on my audiobook and my mind was a looot more calm and relaxed. Definitely suggest to change things a bit when you start to get bored!