Tried to do an afternoon run outside, but it was too cold and windy so I wimped out after a couple miles and went to the treadmill. Did a 4 mile tempo run in 22:58.
It seems like I have re-injured my right hamstring. Originally hurt it during the Chicago marathon. It acted up again a couple months ago, and now it's really bothering me. Yesterday's tempo was too much for it. I'll take a few days off.
10 miles worth of effort, only 3 miles on the treadmill, the rest on the elliptical. Felt much better than yesterday, but couldn't pass 6.5 MPH without feeling like I could reinjure myself.