Twittered but not posted

I ran a horrible pace for the 2nd half. The first leg--south on 27 down to 225 took 30 minutes. The second leg--from 225 to Lowell Road in Concord took 54 minutes. Then North to Carlisle center took another 40 minutes. The final leg took about 47 minutes. I got passed by a woman in the final leg, but found that I had it in me to go faster and stayed with her for half a mile till our paths diverged. Then I slowed right back down. I think after a dozen miles or thereabouts, one just looses the will to push hard.