Former Ironman 70.3 world champion Kelly Williamson and her husband, Derick Williamson of Durata Training, know all too well the complex nature of the athlete/coach relationship. Add to all the roles of a coach the title of “husband,” and things can really get complicated unless you’re a good team. These two have ridden the highs of Williamson’s standout performances last season, as well as some lows this year, and LAVA sat down with them to learn how when the times are tough, the coach’s role in a professional athlete’s life is more important than ever.