My oldest PB is now beaten with a new WR !

41 0:33.28 0:33.28
42 0:36.54 1:09.82
43 0:25.29 1:35.11
44 0:29.64 2:04.75
45 2:01.87 4:06.62
46 0:35.93 4:42.55
47 0:32.64 5:15.19
48 0:30.47 5:45.66
49 0:37.88 6:23.54
50 1:32.46 7:56.00