Kathleen Genevieve Ledecky is an American distance swimmer, Olympic gold medalist, and world record holder. She is the current world record holder in the 400-, 800-, and 1500-meter freestyle. She also owns the fastest-ever swims in the 500- and 1650-yard freestyles. In her international debut at the 2012 Summer Olympics as a 15-year old, Ledecky won the gold in the 800-meter freestyle in what was the second-fastest performance ever. In total, she has won ten medals in major international competitions, all of them gold, spanning the Summer Olympics, the FINA World Championships, and the Pan Pacific Championships. During her career, she has broken seven world records. Ledecky's success has earned her Swimming World's World Swimmer of the Year and the American Swimmer of the Year awards in 2013, and the FINA Swimmer of the Year Award in 2013. 

March 17th, 1997 in Washington, D.C. (Age 27) as Kathleen Genevieve Ledecky