Swimmer profile
Wiliam Kucmierczyk
Male17-18Scarlet AquaticsNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.79
36.66
▲ 8.13
32.47
▲ 4.19
32.15
▲ 0.32
29.88
▲ 2.27
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—
25.53
▲ 4.35
24.69
▲ 0.84
100 Free LCM
1:40.04
1:23.45
▲ 16.59
1:13.31
▲ 10.14
1:10.99
▲ 2.32
1:02.15
▲ 8.84
1:00.27
▲ 1.88
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55.47
▲ 4.80
54.06
▲ 1.41
200 Free LCM
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3:01.05
2:38.27
▲ 22.78
2:34.79
▲ 3.48
2:13.21
▲ 21.58
2:11.34
▲ 1.87
2:09.58
▲ 1.76
2:02.38
▲ 7.20
1:58.34
▲ 4.04
400 Free LCM
—
5:56.71
—
5:21.05
▲ 35.66
4:44.85
▲ 36.20
4:42.94
▲ 1.91
4:37.84
▲ 5.10
4:24.15
▲ 13.69
4:24.06
▲ 0.09
800 Free LCM
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—
—
—
9:46.11
9:35.56
▲ 10.55
—
9:34.82
▲ 0.74
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1500 Free LCM
—
—
—
—
18:44.08
18:18.32
▲ 25.76
—
18:10.81
▲ 7.51
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50 Back LCM
52.53
44.36
▲ 8.17
40.80
▲ 3.56
37.78
▲ 3.02
35.12
▲ 2.66
—
—
28.90
▲ 6.22
28.08
▲ 0.82
100 Back LCM
—
1:43.50
1:22.80
▲ 20.70
1:20.65
▲ 2.15
1:10.41
▲ 10.24
1:08.33
▲ 2.08
—
1:01.34
▲ 6.99
59.14
▲ 2.20
200 Back LCM
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—
—
2:55.97
2:28.42
▲ 27.55
2:29.11
▼ 0.69
2:21.47
▲ 7.64
2:13.33
▲ 8.14
2:11.91
▲ 1.42
50 Breast LCM
58.50
—
47.63
▲ 10.87
45.47
▲ 2.16
42.73
▲ 2.74
—
—
32.51
▲ 10.22
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100 Breast LCM
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—
1:42.18
1:43.26
▼ 1.08
1:22.73
▲ 20.53
1:23.03
▼ 0.30
—
1:11.78
▲ 11.25
1:12.80
▼ 1.02
200 Breast LCM
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—
—
—
—
2:53.12
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—
—
50 Fly LCM
1:05.33
44.53
▲ 20.80
37.72
▲ 6.81
36.17
▲ 1.55
33.26
▲ 2.91
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—
27.12
▲ 6.14
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100 Fly LCM
—
1:50.33
1:22.09
▲ 28.24
1:22.80
▼ 0.71
1:11.23
▲ 11.57
1:09.98
▲ 1.25
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1:01.03
▲ 8.95
57.66
▲ 3.37
200 Fly LCM
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—
—
3:04.66
2:35.39
▲ 29.27
2:29.77
▲ 5.62
2:36.81
▼ 7.04
2:23.00
▲ 13.81
2:29.30
▼ 6.30
200 IM LCM
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3:14.34
2:56.62
▲ 17.72
2:56.99
▼ 0.37
2:33.92
▲ 23.07
2:28.80
▲ 5.12
2:26.94
▲ 1.86
2:14.13
▲ 12.81
2:12.73
▲ 1.40
400 IM LCM
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—
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5:25.07
5:20.59
▲ 4.48
5:16.73
▲ 3.86
5:00.72
▲ 16.01
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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.