In this episode of Unfiltered Waters, Elizabeth Beisel and Todd Anderson fill in for Katie Hoff, a week from having her baby girl, and sit down with Team USA breaststroker McKenzie Siroky right before the Pan Pacific Championships. She's coming off a personal best in the 100 breast at nationals, capping two hard months when her stroke feel vanished. She tracks nearly every metric of her training. So how does one of the most data driven swimmers on the team find her way back by feeling instead...