Notes
6X800 at current 5K pace, 400 jog rest; did 800 jog rest between interval 3 and 4. did an allout 100m sprint at the end of the last 800 just to see what it did to my heart rate (wore a HRM strap for this run).
3:09, 3:03, 3:09, 3:06, 3:07, 3:05