Hybrid Training. Week 9. Intervals

Intervals - 4, 1/2 mile intervals @ ~5:00

I wanted to go for 6, 1/2 mile intervals today, but I felt awful by #4.  I think it was a combination of heat, and lifestyle over the past few days.  A good friend moved to town this week, and my sleep and diet were really disrupted for a few days afterwards.  I'll get back on course this week.