Painless Speedwork
Friday = Speed day = PainWe (The Man and I) only got about 5 x 100-200m sprints in. My heart would have exploded if we had done more.
Oddly enough, I took one of the sprints, and could almost keep up for a few more: must be an off-day.
I just found this on the weeb:
http://www.ausrun.com.au/index.php?id=39#painless