Well, on a less frustrated note, here's my running update:
I began week 2 last night. The instruction is:
Brisk five-minute warmup walk. Then alternate 90 seconds of jogging and two minutes of walking for a total of 20 minutes.
I felt ok about this all day and during my warm up walk I felt like I just might be able to pull it off. First 90 seconds I did well, I didn't get winded until about 60 seconds in and even then it wasn't bad.
Second 90 seconds kicked my butt - I was dying by the end of it (hah I feel like a loser saying that but oh well... I'm trying to get better!) but I made it all the way through. And I kept going like that. I made it through every single one of the 90 second jogs without stopping early. By the end I was jogging pretty darn slow but I WAS JOGGING! yay me!
My lungs/heart may have not been ready for week 2 but hopefully they'll catch up soon. ;) I'm still feeling a small amount of soreness but no pain. My knee is handling this better than I ever thought it would. I'm so grateful for that. I think it's definitely time to buy some better sneakers now. I've proven to myself that I will be keeping this habit up for a while.
I didn't jog the entire last 90 second interval.
While on the last 2 min walk part my dog started doing the "something unpleasant is about to make its appearance" walk. I didn't have any clean-up bags with me, he had JUST gone before we started, so I started walking really fast/jogging in order to keep him from going. I know, I'm mean. At one point there at the end I think he was actually squatting and running at the same time. We thankfully made it to my yard before anything bad happened, he finished his "business", and I continued the end of the jog, then walked around in my driveway a bit. I could have gone the entire 90 seconds! I swear! damn dog...