Yesterday morning I ran my second Houston Marathon and my 39th marathon. I ran my first marathon in 2006 so this year kicks off the 20-year anniversary of me running marathons. I can hardly believe it.

Background
I ran the Indianapolis Monumental Marathon nine weeks ago and the race did not go well for me. Starting very early in the race (mile 9-10) both of my upper hamstrings seized up at the same time for no apparent reason. After much analysis, I chalked it up to being "stale" from taking two w...