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
1:53
2:01
1:25
2:21
2:58
10:13
4:55
2:08
2:07
1:48
