With the London Olympics fast approaching, we bring you a daily countdown filled with a little nugget of information that corresponds with the daily number. Today’s number? 15!

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15- The Age of the Youngest Olympian on Team U.S.A, Swimmer Katie Ledecky

Photo via Flickr TeamUSA

Born on March 17, 1997, Katie Ledecky is a mere fifteen years old and is headed to the Olympics.

The teen is a high-school sophomore at Stone Ridge School of the Sacred Heart in Bethesda, Maryland.

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Not even old enough to drive, Ledecky won the women’s 800m freestyle race in the final round of the U.S. Olympic Trials in Omaha.

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During her 400m freestyle swim, Ledecky broke Janet Evans‘ 24-year-old national record for the 15-16 year-old age group. Although she finished third and failed to qualify for the Olympics in the 400m, she clinched her spot in the 800m and is expected to shine in London.

Congrats Katie!

Via WashingtonPost, StoneRidgeSchool