So, coming up to race day (next Saturday) I’m challenging myself to reach a personal best speed.  So far, my personal best is 35 minutes and 21 seconds for a 5k.  It would be cool to get it down to 30 minutes, but that would be a 6 minute kilometer and today’s pace was 7.22.  I have a ways to go! I’ve been using Podrunner’s free walking...