On Friday evening at the 2015 D.C. Metro Championships, Katie Ledecky swam a mind-blowing 4:26.58 in the 500 yard free. At only 17-years old, that makes her the fastest 500 yard freestyler in the history of women’s swimming by a long-shot.

Above, our friend Dave Bell shares a video of all 4 glorious minutes and 26 glorious seconds of Ledecky’s swim.

Read Jared Anderson’s full record-breaking report here.