Swimmer profile
Zachary Tan
MaleOpen / SeniorCalifornia AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2023–24
2024–25
2025–26
50 Free SCY
21.92
21.75
▲ 0.17
21.21
▲ 0.54
21.29
▼ 0.08
20.62
▲ 0.67
24.24
▼ 3.62
—
100 Free SCY
46.05
45.70
▲ 0.35
46.08
▼ 0.38
45.61
▲ 0.47
45.43
▲ 0.18
46.33
▼ 0.90
—
200 Free SCY
1:39.54
1:39.59
▼ 0.05
1:41.45
▼ 1.86
1:40.52
▲ 0.93
1:39.76
▲ 0.76
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—
500 Free SCY
4:39.12
—
—
—
—
—
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50 Back SCY
23.79
—
23.50
▲ 0.29
23.07
▲ 0.43
—
—
—
100 Back SCY
50.13
49.74
▲ 0.39
51.56
▼ 1.82
48.98
▲ 2.58
—
50.01
▼ 1.03
—
200 Back SCY
1:47.50
1:46.56
▲ 0.94
1:47.19
▼ 0.63
—
—
—
—
50 Breast SCY
—
—
—
—
—
—
24.62
100 Breast SCY
55.43
56.80
▼ 1.37
55.15
▲ 1.65
54.74
▲ 0.41
53.94
▲ 0.80
52.60
▲ 1.34
51.72
▲ 0.88
200 Breast SCY
1:58.17
2:01.26
▼ 3.09
2:06.07
▼ 4.81
1:59.59
▲ 6.48
1:57.42
▲ 2.17
1:55.79
▲ 1.63
1:54.86
▲ 0.93
100 Fly SCY
50.80
50.44
▲ 0.36
48.25
▲ 2.19
48.34
▼ 0.09
—
50.06
▼ 1.72
—
200 Fly SCY
1:52.68
2:00.05
▼ 7.37
1:49.00
▲ 11.05
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—
—
—
100 IM SCY
—
—
—
—
—
49.97
—
200 IM SCY
1:47.23
1:48.39
▼ 1.16
1:47.60
▲ 0.79
1:46.77
▲ 0.83
1:49.07
▼ 2.30
1:47.10
▲ 1.97
1:48.26
▼ 1.16
400 IM SCY
3:48.84
3:52.75
▼ 3.91
3:51.74
▲ 1.01
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—
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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.