On a stacked Team USA Olympic swimming roster, no one is quite like Katie Grimes.
No one is qualified for both the 1,500-meter freestyle, the longest event in the pool, and the 400-meter individual medley, a grueling parade of all four strokes. And the 10k marathon swim. No one except Grimes — now a two-time Olympian who will be the first American woman to compete in the pool and open water at the same Olympic Games.
She’s also just 18 years old.
“I’ve done open water just about as long as I’ve done pool swimming...