Change of plans tonight. There is a home field hockey game at Fairfax High school. So, I'm going to run at GMU's track at 7pm. If you want to join me, park along the street; you have to pay to park in the lot. Otherwise, find a convenient track for the workout.
Workout: 2x800, 2x1600, 2x800
See the McMillan Running calculator to determine your pace:
http://www.mcmillanrunning.com/calculator
Keith