Interval Run

Today, I did 5 miles of intervals. I did a mile warm up, then I did 4 half mile intervals at 6.2, then four .25 mile intervals at 6.4, and then the last mile I just went up from 5.2 with each .05 increasing the speed by .1. My HR hit 190 at .85, so I took a break and then finished the last tenth. HARD but felt awesome.