Last Sunday morning marked the start of the Heartbreak Hill Half Marathon in Boston, and the conclusion to the Runner’s World Heartbreak Hill Festival! It was also my third and final race in the Hat Trick. After another early wake-up, Loretta and I drove over to the Boston College campus for the race, which began at 7:30am. The race had corrals again, just like it did for the 10K, which I liked. We both went to the back of the pack because we had planned on doing the “run/walk” method. I knew because I hadn’t been running the past few weeks that this race was going to be tougher and…