Jace smiled up at the girl, popping out one of his earbuds. "RD then, " he said, holding up a hand. "I'm Jace. I'm not the best runner but working on it. I really thought I was in better shape when I started. It was an eye opener." He laughed a little, being his normally friendly self. He was very happy to meet new people, and really needed the distraction. "So how fast are you?"