Swimmer profile
Zihan Zhou
Male11-12Orinda AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
39.35
34.88
▲ 4.47
31.19
▲ 3.69
100 Free LCM
1:30.58
1:17.42
▲ 13.16
1:09.66
▲ 7.76
200 Free LCM
—
2:59.31
2:36.11
▲ 23.20
400 Free LCM
—
—
5:39.45
50 Back LCM
48.86
47.04
▲ 1.82
41.47
▲ 5.57
100 Back LCM
1:47.98
1:42.02
▲ 5.96
1:28.00
▲ 14.02
200 Back LCM
—
3:41.12
—
50 Breast LCM
58.90
52.12
▲ 6.78
46.31
▲ 5.81
100 Breast LCM
2:06.68
1:50.04
▲ 16.64
1:35.87
▲ 14.17
200 Breast LCM
4:31.33
4:00.99
▲ 30.34
—
50 Fly LCM
51.89
44.55
▲ 7.34
37.17
▲ 7.38
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.