Swimmer profile
Sammuel Zhou
Male11-12Alto Swim ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
49.29
43.77
▲ 5.52
37.80
▲ 5.97
35.96
▲ 1.84
100 Free LCM
1:58.63
1:32.55
▲ 26.08
1:26.81
▲ 5.74
1:18.88
▲ 7.93
200 Free LCM
—
3:20.83
2:59.41
▲ 21.42
2:44.06
▲ 15.35
400 Free LCM
—
—
6:30.72
5:39.34
▲ 51.38
50 Back LCM
1:02.90
50.31
▲ 12.59
46.93
▲ 3.38
41.32
▲ 5.61
100 Back LCM
2:11.36
1:47.05
▲ 24.31
1:38.26
▲ 8.79
1:29.31
▲ 8.95
200 Back LCM
—
—
—
3:05.65
50 Breast LCM
—
1:02.27
56.87
▲ 5.40
50.31
▲ 6.56
100 Breast LCM
—
2:13.94
2:00.30
▲ 13.64
1:51.86
▲ 8.44
200 Breast LCM
—
—
—
3:53.82
50 Fly LCM
—
48.46
48.70
▼ 0.24
39.91
▲ 8.79
100 Fly LCM
—
—
1:46.23
—
200 Fly LCM
—
—
—
3:21.04
200 IM LCM
—
—
3:22.48
3:10.20
▲ 12.28
400 IM LCM
—
—
—
6:44.66
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.