Thursday February 4, 2010 CrossFit 864 – Today’s Schedule: 5:15a.m. / 9:00a.m. / 4:15p.m. / 5:15p.m. / 6:15p.m. “Michael”   3 rounds for time: Run 800 meters 50 Back Extensions 50 Sit-ups “But I will sing of your strength, in …