Swimmer profile
Zachary Tan
MaleOpen / SeniorCalifornia AquaticsPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2023–24
2024–25
2025–26
50 Free LCM
25.99
—
—
—
24.03
▲ 1.96
—
—
100 Free LCM
53.88
53.39
▲ 0.49
54.39
▼ 1.00
53.10
▲ 1.29
—
—
—
200 Free LCM
1:57.03
1:54.15
▲ 2.88
—
1:55.13
▼ 0.98
—
—
—
400 Free LCM
4:09.87
4:06.08
▲ 3.79
4:15.42
▼ 9.34
4:15.97
▼ 0.55
—
—
—
50 Back LCM
—
—
—
—
27.03
—
—
100 Back LCM
1:00.50
58.64
▲ 1.86
59.03
▼ 0.39
57.96
▲ 1.07
57.95
▲ 0.01
—
—
200 Back LCM
2:08.89
2:05.57
▲ 3.32
2:06.02
▼ 0.45
2:06.04
▼ 0.02
—
—
—
50 Breast LCM
—
—
—
—
29.06
28.38
▲ 0.68
28.12
▲ 0.26
100 Breast LCM
1:04.81
1:04.72
▲ 0.09
1:07.02
▼ 2.30
1:04.02
▲ 3.00
1:02.09
▲ 1.93
1:03.41
▼ 1.32
—
200 Breast LCM
2:16.79
2:17.69
▼ 0.90
2:26.64
▼ 8.95
2:20.39
▲ 6.25
2:19.78
▲ 0.61
2:16.87
▲ 2.91
2:17.10
▼ 0.23
50 Fly LCM
—
—
—
—
25.07
—
—
100 Fly LCM
58.03
58.10
▼ 0.07
57.19
▲ 0.91
55.92
▲ 1.27
—
—
—
200 Fly LCM
2:11.24
2:09.02
▲ 2.22
—
—
—
—
—
200 IM LCM
2:05.51
2:03.57
▲ 1.94
2:07.89
▼ 4.32
2:05.73
▲ 2.16
2:08.03
▼ 2.30
—
—
400 IM LCM
4:26.57
4:25.28
▲ 1.29
4:57.08
▼ 31.80
4:35.26
▲ 21.82
—
—
—
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.