Mathematics

There are three types of people in this world. Those who can count, and those who can't. I classify myself in the latter category...at least while running. I may be able to multi-task some things, but clearly not addition plus running. Once again, I ran not 4, but 5 x 60sec reps. And this time I even cut my first recovery short from 90sec to 60sec. Ooops! In mathematical terms,
[count + (run + intervals)] + distractions = error
I guess I can say, at least I overshoot rather than undershoot my workout. Maybe I should start running with an abacus. Although then the movement from running might shift the beads around and I'd be doubly confused. On second thought, an extra 60sec interval isn't such a big deal.

Time: 21.49 (did I mention I also started my first interval early? Adding an extra 15sec onto the initial 90sec time. Oops!)
Total elevation: 31m
Total distance: 3.86km
Avg pace: 5.39 (woohoo!)

"90"sec rep/recovery: 5.14/6.18 \ 4.46/6.06
60sec rep/recovery: 5.05/6.50 \ 5.45/6.41 \ 4.56/ 5.57 \ 4.56/6.35 \ 5.13/6.21
30sec rep/recovery: 5.16/6.56 \ 5.02/7.26 \ 5.24/5.58 \ 5.37/6.25
15 sec rep/recovery: 4.48/5.48 \ 4.53/6.44 \ 4.25/5.43 \ 4.48/4.59

There is one discrepancy in the 30sec recovery. I had to wait for an impatient truck to turn in front of me. The downside to running on the roads!