Katie Ledecky annihilates 1,500m freestyle world record by almost 10 seconds
American Katie Ledecky wins gold in the women's 1,500m freestyle with a world record time of 15:08.24, breaking of Sarah Kohler‘s previous mark of 15:18.01
1:02
2:08
1:09
6:08
7:55
3:04
9:27
1:34
6:23
7:19
