Swimmer profile
Sammuel Zhou
Male11-12Alto Swim ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
36.99
34.54
▲ 2.45
30.92
▲ 3.62
100 Free SCY
1:26.95
1:18.09
▲ 8.86
1:08.39
▲ 9.70
200 Free SCY
3:12.69
2:37.41
▲ 35.28
2:26.92
▲ 10.49
500 Free SCY
8:09.00
7:10.35
▲ 58.65
6:19.46
▲ 50.89
50 Back SCY
47.27
41.13
▲ 6.14
37.58
▲ 3.55
100 Back SCY
1:32.09
1:28.35
▲ 3.74
1:18.22
▲ 10.13
200 Back SCY
—
—
2:45.61
50 Breast SCY
57.92
49.87
▲ 8.05
45.56
▲ 4.31
100 Breast SCY
2:07.12
—
1:37.24
▲ 29.88
50 Fly SCY
41.78
41.71
▲ 0.07
34.37
▲ 7.34
100 Fly SCY
1:35.89
1:34.46
▲ 1.43
1:23.42
▲ 11.04
100 IM SCY
1:37.49
1:28.90
▲ 8.59
1:20.11
▲ 8.79
200 IM SCY
3:29.32
3:10.46
▲ 18.86
2:46.60
▲ 23.86
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.