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
1:16
0:34
1:04
0:52
1:06
8:09
0:58
2:17
2:33
