Ariarne Titmus upset Katie Ledecky to claim the Olympic 400m freestyle gold medal Monday in the second-fastest time ever swum, with the American great having to settle for second. The Australian inched clear over the final 50m to touch in 3min 56.69sec. Only world record holder Ledecky has ever gone quicker. Ledecky hit the wall for silver in 3:57.36, with China’s Li Bingjie a distant third in 4:01.08. “At the 200, I was a little […]