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
1:16:40
1:08
0:55
3:42
1:03:59
1:37
2:57
1:24
2:21
