Swimmer profile
David Czosnyka
Male15-16Patriot Aquatic ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
47.17
40.06
▲ 7.11
36.44
▲ 3.62
33.75
▲ 2.69
31.26
▲ 2.49
30.83
▲ 0.43
28.72
▲ 2.11
27.21
▲ 1.51
100 Free LCM
1:44.62
1:29.50
▲ 15.12
1:16.68
▲ 12.82
1:10.73
▲ 5.95
1:07.80
▲ 2.93
1:06.30
▲ 1.50
1:02.15
▲ 4.15
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200 Free LCM
3:44.52
3:13.58
▲ 30.94
2:44.43
▲ 29.15
2:28.31
▲ 16.12
2:23.31
▲ 5.00
2:21.60
▲ 1.71
2:12.12
▲ 9.48
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400 Free LCM
—
6:42.19
5:36.66
▲ 65.53
5:10.94
▲ 25.72
5:03.54
▲ 7.40
4:54.73
▲ 8.81
4:38.59
▲ 16.14
4:32.14
▲ 6.45
800 Free LCM
—
—
12:05.16
10:26.62
▲ 98.54
10:16.96
▲ 9.66
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—
—
50 Back LCM
52.58
44.53
▲ 8.05
42.31
▲ 2.22
40.37
▲ 1.94
36.21
▲ 4.16
36.51
▼ 0.30
33.32
▲ 3.19
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100 Back LCM
—
1:36.30
1:30.08
▲ 6.22
1:24.81
▲ 5.27
1:19.30
▲ 5.51
—
1:12.31
▲ 6.99
1:06.59
▲ 5.72
200 Back LCM
—
—
—
2:55.44
2:43.27
▲ 12.17
2:40.93
▲ 2.34
2:26.99
▲ 13.94
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50 Breast LCM
58.35
48.98
▲ 9.37
44.79
▲ 4.19
40.88
▲ 3.91
37.59
▲ 3.29
38.55
▼ 0.96
35.56
▲ 2.99
33.19
▲ 2.37
100 Breast LCM
2:04.87
1:48.98
▲ 15.89
1:36.15
▲ 12.83
1:27.78
▲ 8.37
1:23.88
▲ 3.90
1:19.86
▲ 4.02
1:16.05
▲ 3.81
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200 Breast LCM
—
3:56.39
3:31.34
▲ 25.05
3:10.03
▲ 21.31
2:57.62
▲ 12.41
2:51.27
▲ 6.35
2:42.32
▲ 8.95
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50 Fly LCM
1:01.59
49.06
▲ 12.53
43.53
▲ 5.53
39.45
▲ 4.08
—
—
32.35
▲ 7.10
—
100 Fly LCM
—
—
1:40.88
1:33.72
▲ 7.16
1:23.15
▲ 10.57
1:18.76
▲ 4.39
1:11.11
▲ 7.65
1:04.03
▲ 7.08
200 Fly LCM
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—
—
—
3:09.85
—
—
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200 IM LCM
3:57.89
3:34.93
▲ 22.96
3:08.65
▲ 26.28
2:50.46
▲ 18.19
2:47.15
▲ 3.31
2:40.25
▲ 6.90
2:28.96
▲ 11.29
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400 IM LCM
—
—
—
—
—
5:38.05
5:19.05
▲ 19.00
5:04.55
▲ 14.50
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.