In this episode of Unfiltered Waters, Elizabeth Beisel and Todd Anderson, Katie Hoff's husband, fill in a week before she gives birth, sitting down with Olympic medalist Katie Grimes ahead of the Pan Pacific Championships. She's coming off a national title in the 1500 free, but at Pan Pacs she's skipping that race for the 10K open water, an event she hasn't swum in two years and chose to bring back herself. So why give up your best event for one that takes almost two hours and offers no secon...