We were about 4 miles out from the finish line with about 45 minutes to spare in order for me to finish under 21 hours at the 2017 Javelina Jundred. I was in a dark place. John, my husband and pacer, was trying to pull me out of it. “Dig deep, Maria,” he said. “Your well of reserves is bottomless. Keep pulling from it.” Ms. Cranky-Pants wasn’t really feeling the guru session. “I’m at mile 96 of a 100 mile race. I AM digging deep,” I pouted. I might as well have stomped my feet, but at that point, I …