Katie Ledecky has already won an Olympic gold, collected nine world championship titles, and set world records on 11 different occasions — and she’s done it all before even getting her driver’s license.
At 15 years old, the Bethesda, Maryland, native was the youngest U.S. athlete at the London Games, where she upset host nation darling Rebecca Adlington to win the 800m in front of a crowd that included Prince William and Kate Middleton.
She has never lost at a major international meet, winning 15 straight individual races and relays.
In Rio, she is expected to contend for gold in three individual events — 200m, 400m, and 800m… She only added the 200m free to her repertoire last year and was able to win the world title in August over countrywoman and reigning world champion, Missy Franklin.
If Ledecky sweeps these individual events in Rio, she would become the second woman ever to win three freestyles in a single Games.
Ledecky has also begun dabbling with the 100m free, which means she should be in the 4x100m free relay in Rio and could even make the individual event.
Copyright 2016 NBC News. All rights reserved.