Notes
mile intervals with 3:00 rest.
6:36 end at 170 bpm
6:31 end at 170 bpm
6:42 end at 171 bpm
second was too fast and as a result I didn't quite have enough for the third mile. But not bad. Given the humidity and heat 6:37 was just a tad too fast. I added ~2 seconds to the time as I actualy did 1600's and not miles (1609 meters).