Running updates

Well, I ran on track mill today. Didn't do well. I tried to run at 4% gradient, 6.4 miles per hour. I was trying to re-train my legs to take bigger steps. But it was more difficult than I thought. I used a lot of energy to take big steps. My muscles around the end of the ribs starting to hurt at around 15 munites. I reduced the speed to 6 miles per hours the. But I was breathing so heavily and the pain was so unbearable that I have to stop at 20 minutes. Hmmm, wonder if I should keep trying to take big steps...