Swimmer profile
Zachary Preen
Male17-18Cardinal AquaticsKY · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.67
36.45
▲ 3.22
33.66
▲ 2.79
28.89
▲ 4.77
27.25
▲ 1.64
27.52
▼ 0.27
25.99
▲ 1.53
24.67
▲ 1.32
25.08
▼ 0.41
100 Free LCM
1:34.18
1:24.57
▲ 9.61
1:14.75
▲ 9.82
1:02.09
▲ 12.66
1:01.00
▲ 1.09
58.88
▲ 2.12
55.70
▲ 3.18
53.74
▲ 1.96
55.87
▼ 2.13
200 Free LCM
3:12.83
3:04.71
▲ 8.12
2:47.43
▲ 17.28
2:19.76
▲ 27.67
2:10.17
▲ 9.59
2:06.17
▲ 4.00
2:02.69
▲ 3.48
2:00.42
▲ 2.27
2:05.45
▼ 5.03
400 Free LCM
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—
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4:34.72
4:28.63
▲ 6.09
4:28.97
▼ 0.34
4:29.69
▼ 0.72
4:31.37
▼ 1.68
800 Free LCM
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—
—
—
—
9:15.66
9:01.05
▲ 14.61
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1500 Free LCM
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—
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18:17.97
17:41.90
▲ 36.07
17:37.43
▲ 4.47
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50 Back LCM
42.85
41.29
▲ 1.56
35.93
▲ 5.36
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—
—
—
29.31
▲ 6.62
30.55
▼ 1.24
100 Back LCM
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1:35.22
1:19.08
▲ 16.14
1:13.48
▲ 5.60
1:06.65
▲ 6.83
1:07.26
▼ 0.61
1:11.12
▼ 3.86
1:03.89
▲ 7.23
1:04.79
▼ 0.90
200 Back LCM
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2:32.37
2:21.44
▲ 10.93
2:20.42
▲ 1.02
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2:17.19
▲ 3.23
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50 Breast LCM
55.40
56.57
▼ 1.17
44.66
▲ 11.91
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—
—
34.78
▲ 9.88
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33.39
▲ 1.39
100 Breast LCM
2:03.19
2:06.75
▼ 3.56
1:41.46
▲ 25.29
1:25.09
▲ 16.37
1:16.03
▲ 9.06
1:17.11
▼ 1.08
1:16.60
▲ 0.51
1:16.70
▼ 0.10
1:17.34
▼ 0.64
200 Breast LCM
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3:00.70
2:58.83
▲ 1.87
3:09.05
▼ 10.22
2:47.31
▲ 21.74
2:44.62
▲ 2.69
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50 Fly LCM
1:02.73
1:03.29
▼ 0.56
43.90
▲ 19.39
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28.61
▲ 15.29
27.34
▲ 1.27
28.49
▼ 1.15
100 Fly LCM
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2:50.19
1:47.18
▲ 63.01
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1:18.49
▲ 28.69
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1:04.66
▲ 13.83
1:02.79
▲ 1.87
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200 Fly LCM
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2:57.00
—
2:34.20
▲ 22.80
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2:38.60
▼ 4.40
200 IM LCM
4:05.58
3:50.91
▲ 14.67
3:11.88
▲ 39.03
2:43.27
▲ 28.61
2:30.66
▲ 12.61
2:31.75
▼ 1.09
2:19.07
▲ 12.68
2:20.81
▼ 1.74
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400 IM LCM
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5:34.05
5:17.27
▲ 16.78
5:13.27
▲ 4.00
4:59.10
▲ 14.17
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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.