“It was a really hard workout,” she said, “and at the end we had to do two 400-meter intervals. I was running and I was just so happy. I don’t know what it was, it was just easy. And while I ran, I was yelling, I’m in a state of grace! I don’t know, I just … you feel no pain, you’re just there and you’re thinking about everything, and it’s very hard to explain.”