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 LCM
37.49
34.40
▲ 3.09
33.19
▲ 1.21
28.80
▲ 4.39
100 Free LCM
1:33.03
1:19.49
▲ 13.54
1:14.26
▲ 5.23
1:09.98
▲ 4.28
200 Free LCM
—
—
2:42.57
2:41.99
▲ 0.58
400 Free LCM
—
—
5:37.20
—
50 Back LCM
43.58
39.61
▲ 3.97
—
—
100 Back LCM
1:34.78
1:23.51
▲ 11.27
1:19.93
▲ 3.58
1:13.81
▲ 6.12
200 Back LCM
3:36.00
2:58.71
▲ 37.29
2:50.00
▲ 8.71
2:41.25
▲ 8.75
50 Breast LCM
55.46
49.32
▲ 6.14
—
—
100 Breast LCM
1:59.71
—
1:37.96
▲ 21.75
1:31.95
▲ 6.01
200 Breast LCM
4:20.54
—
3:21.66
▲ 58.88
3:17.17
▲ 4.49
50 Fly LCM
46.16
39.30
▲ 6.86
—
—
200 IM LCM
3:31.68
—
2:56.83
▲ 34.85
—
400 IM LCM
—
—
6:13.14
—
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.