Boston or Bust (via Minneapolis)

I'm off in a few hours to Minneapolis/St. Paul to run the Twin Cities Marathon (with a pit stop in Northfield to give a paper at the alma mater). My goal is to qualify for the Boston Marathon -- so I'll need to run it in less than 3 hours and 15 minutes. I'm not sure what to think ... I'm finally practically injury free, and I've done the training, but I'm also pretty sure I picked a plan with too few miles at race pace. And I have no idea what the first one will feel like. We'll see. It can't go any worse than this: