In the 1997 Ironman Triathlon in Hawaii, two women fought to stay on their feet as they hobbled toward the finish line. Exhausted, the runners persevered on wobbly legs, until Sian Welch bumped into Wendy Ingraham. They both dropped to the ground. Struggling to stand, they stumbled forward, only to fall again about twenty meters from the finish line. When Ingraham began to crawl, the crowd applauded. When her competitor followed suit, they cheered louder. Ingraham crossed the finish line in fourth place. She slumped into the outstretched arms of her supporters. Then she turned and reached out to her…