Swimmer profile
Alvin Zhou
Male13-14California Dolphin Swim TeamPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
45.85
30.34
▲ 15.51
28.14
▲ 2.20
26.71
▲ 1.43
100 Free SCY
1:22.33
1:08.91
▲ 13.42
1:04.08
▲ 4.83
1:00.46
▲ 3.62
200 Free SCY
—
2:50.70
2:23.00
▲ 27.70
2:21.38
▲ 1.62
50 Back SCY
39.93
34.13
▲ 5.80
—
29.25
▲ 4.88
100 Back SCY
1:43.58
1:14.59
▲ 28.99
1:09.01
▲ 5.58
1:03.58
▲ 5.43
200 Back SCY
—
2:39.20
2:27.91
▲ 11.29
2:22.86
▲ 5.05
50 Breast SCY
47.46
42.99
▲ 4.47
—
—
100 Breast SCY
1:42.80
1:29.68
▲ 13.12
1:24.09
▲ 5.59
1:20.96
▲ 3.13
200 Breast SCY
—
3:25.86
3:05.59
▲ 20.27
2:58.10
▲ 7.49
50 Fly SCY
43.34
35.83
▲ 7.51
—
29.66
▲ 6.17
100 Fly SCY
—
1:27.27
1:16.23
▲ 11.04
1:12.87
▲ 3.36
100 IM SCY
1:31.32
1:16.84
▲ 14.48
1:12.94
▲ 3.90
—
200 IM SCY
—
2:42.41
2:36.69
▲ 5.72
2:23.02
▲ 13.67
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.