1 down...89 to go

I just completed day 1 of p90x, and it's definitely going to be a loooong 90 days. Most of you know that I have struggled with weight issues in the past and have lost 50 pounds over the past year and a half. I have become an avid runner and can run various distances. I also weight train and cross train. I thought I was pretty in shape, and I am but p90x kicked my butt on day 1. I did the chest and back and ab workouts today. I knew chest and back would be difficult, but I didn't expect the ab workout to be as tough. I do Pilates and Yoga, so I thought I had a pretty decent core. Ha. The ab workout is 16 minutes of complete toture. By the end, I couldn't do the moves completely, so I was doing everything modified and not doing all the reps. It's just day 1, so I'm hoping by the end that I can complete all the reps in proper form. I'm not discouraged at all, but I really didn't know how difficult it would be. Tomorrow is plyometrics. I do some plyometrics to help with my running, and quite honestly I very much loathe plyometrics. I'm not super excited about a whole workout involving plyometrics, but I'm going to do my best. I'm going to bed with shaky muscles and hoping that I don't hurt too bad tomorrow.