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 SCY
50.17
42.44
▲ 7.73
32.73
▲ 9.71
29.79
▲ 2.94
27.05
▲ 2.74
25.59
▲ 1.46
24.73
▲ 0.86
23.70
▲ 1.03
21.67
▲ 2.03
100 Free SCY
1:35.72
—
1:17.66
▲ 18.06
1:06.68
▲ 10.98
57.86
▲ 8.82
54.97
▲ 2.89
51.10
▲ 3.87
49.35
▲ 1.75
47.90
▲ 1.45
200 Free SCY
—
—
2:49.70
—
2:11.58
▲ 38.12
1:55.57
▲ 16.01
1:49.50
▲ 6.07
1:44.70
▲ 4.80
1:43.46
▲ 1.24
500 Free SCY
—
—
—
—
6:03.81
5:11.11
▲ 52.70
4:55.63
▲ 15.48
4:50.40
▲ 5.23
4:49.02
▲ 1.38
1000 Free SCY
—
—
—
—
—
10:46.68
10:20.51
▲ 26.17
10:12.76
▲ 7.75
—
1650 Free SCY
—
—
—
—
—
—
17:46.15
16:49.57
▲ 56.58
—
50 Back SCY
47.91
—
38.60
▲ 9.31
34.88
▲ 3.72
30.50
▲ 4.38
28.44
▲ 2.06
26.92
▲ 1.52
26.10
▲ 0.82
25.93
▲ 0.17
100 Back SCY
—
—
1:29.28
—
1:05.27
▲ 24.01
59.91
▲ 5.36
57.06
▲ 2.85
53.92
▲ 3.14
52.76
▲ 1.16
200 Back SCY
—
—
—
—
—
2:07.49
2:01.78
▲ 5.71
1:56.09
▲ 5.69
1:55.23
▲ 0.86
50 Breast SCY
—
—
49.44
—
38.11
▲ 11.33
35.22
▲ 2.89
33.15
▲ 2.07
31.40
▲ 1.75
29.61
▲ 1.79
100 Breast SCY
—
—
—
—
1:27.36
1:20.56
▲ 6.80
1:09.84
▲ 10.72
1:06.47
▲ 3.37
—
200 Breast SCY
—
—
—
—
—
—
2:22.54
2:27.99
▼ 5.45
—
50 Fly SCY
—
49.68
38.77
▲ 10.91
32.71
▲ 6.06
29.61
▲ 3.10
28.52
▲ 1.09
27.79
▲ 0.73
26.42
▲ 1.37
—
100 Fly SCY
—
—
—
—
1:06.79
1:03.57
▲ 3.22
56.78
▲ 6.79
54.89
▲ 1.89
53.14
▲ 1.75
200 Fly SCY
—
—
—
—
—
—
2:08.43
2:03.94
▲ 4.49
—
100 IM SCY
—
1:43.34
1:26.68
▲ 16.66
1:17.34
▲ 9.34
1:07.61
▲ 9.73
1:04.36
▲ 3.25
58.70
▲ 5.66
—
—
200 IM SCY
—
—
—
—
2:27.60
2:12.78
▲ 14.82
2:04.19
▲ 8.59
1:58.40
▲ 5.79
1:55.25
▲ 3.15
400 IM SCY
—
—
—
—
—
—
4:26.39
4:11.62
▲ 14.77
4:06.64
▲ 4.98
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.