But, there are 86 events, some with several heats. Plus, there are kids all over the place. Each lane has a "Lane Coordinator" who has a copy of the "Heat Sheet," which lists what kid should be in which lane for which heat of which event. This is a huge task. Catherine really enjoyed swimming her heat and wanted to go again. So, she just got back in line to swim again, even though her event was over.
Here she is at the end of her first race: