Swimmer profile
Sean Zhao
Male15-16New Trier AquaticsIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
49.47
41.94
▲ 7.53
37.15
▲ 4.79
32.81
▲ 4.34
30.18
▲ 2.63
28.93
▲ 1.25
27.00
▲ 1.93
26.17
▲ 0.83
25.74
▲ 0.43
100 Free LCM
1:54.43
1:45.02
▲ 9.41
—
1:14.16
▲ 30.86
1:04.80
▲ 9.36
1:00.69
▲ 4.11
57.37
▲ 3.32
54.96
▲ 2.41
55.35
▼ 0.39
200 Free LCM
—
—
—
—
2:22.52
2:09.71
▲ 12.81
2:02.92
▲ 6.79
1:59.46
▲ 3.46
1:57.22
▲ 2.24
400 Free LCM
—
—
—
5:46.14
5:14.53
▲ 31.61
4:36.39
▲ 38.14
4:21.61
▲ 14.78
4:19.16
▲ 2.45
4:13.34
▲ 5.82
800 Free LCM
—
—
—
—
—
9:36.77
9:06.99
▲ 29.78
9:00.65
▲ 6.34
—
1500 Free LCM
—
—
—
—
—
—
17:42.55
17:30.94
▲ 11.61
—
50 Back LCM
1:01.69
55.30
▲ 6.39
45.98
▲ 9.32
39.95
▲ 6.03
34.20
▲ 5.75
32.72
▲ 1.48
32.72
± 0.00
29.31
▲ 3.41
28.26
▲ 1.05
100 Back LCM
2:16.92
2:04.51
▲ 12.41
—
1:24.64
▲ 39.87
1:14.47
▲ 10.17
1:08.30
▲ 6.17
1:05.27
▲ 3.03
1:01.06
▲ 4.21
1:01.39
▼ 0.33
200 Back LCM
—
—
—
—
2:35.87
2:26.08
▲ 9.79
2:19.12
▲ 6.96
2:13.97
▲ 5.15
2:10.92
▲ 3.05
50 Breast LCM
1:23.31
1:10.40
▲ 12.91
—
51.94
▲ 18.46
43.93
▲ 8.01
40.11
▲ 3.82
—
34.81
▲ 5.30
—
100 Breast LCM
—
—
—
—
1:34.74
1:27.88
▲ 6.86
—
1:15.33
▲ 12.55
1:13.38
▲ 1.95
200 Breast LCM
—
—
—
—
—
—
2:49.95
2:45.42
▲ 4.53
2:34.68
▲ 10.74
50 Fly LCM
1:18.18
50.69
▲ 27.49
—
36.33
▲ 14.36
32.80
▲ 3.53
31.06
▲ 1.74
—
29.03
▲ 2.03
—
100 Fly LCM
—
—
—
1:21.51
1:14.50
▲ 7.01
1:09.32
▲ 5.18
1:04.49
▲ 4.83
1:01.74
▲ 2.75
1:03.87
▼ 2.13
200 Fly LCM
—
—
—
—
—
2:40.67
2:29.74
▲ 10.93
2:24.43
▲ 5.31
2:14.79
▲ 9.64
200 IM LCM
—
—
—
—
2:41.51
2:29.44
▲ 12.07
2:19.70
▲ 9.74
2:14.88
▲ 4.82
2:13.93
▲ 0.95
400 IM LCM
—
—
—
—
—
5:19.99
4:56.84
▲ 23.15
4:47.00
▲ 9.84
4:49.92
▼ 2.92
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.