Swimmer profile
Callie Kowalchick
Female17-18Sierra Marlins Swim TeamSN · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
37.59
34.69
▲ 2.90
31.50
▲ 3.19
29.82
▲ 1.68
27.50
▲ 2.32
25.77
▲ 1.73
25.32
▲ 0.45
24.68
▲ 0.64
24.80
▼ 0.12
23.67
▲ 1.13
23.66
▲ 0.01
100 Free SCY
1:27.43
1:18.16
▲ 9.27
1:10.78
▲ 7.38
1:12.71
▼ 1.93
59.51
▲ 13.20
56.10
▲ 3.41
54.81
▲ 1.29
52.62
▲ 2.19
52.34
▲ 0.28
50.18
▲ 2.16
51.39
▼ 1.21
200 Free SCY
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2:41.37
2:23.96
▲ 17.41
2:14.97
▲ 8.99
2:00.53
▲ 14.44
1:54.59
▲ 5.94
1:54.28
▲ 0.31
1:53.46
▲ 0.82
1:49.25
▲ 4.21
1:50.88
▼ 1.63
500 Free SCY
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—
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6:17.18
5:57.02
▲ 20.16
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50 Back SCY
44.98
40.45
▲ 4.53
37.04
▲ 3.41
34.48
▲ 2.56
32.56
▲ 1.92
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27.84
▲ 4.72
27.95
▼ 0.11
27.34
▲ 0.61
27.70
▼ 0.36
27.52
▲ 0.18
100 Back SCY
1:33.27
1:27.49
▲ 5.78
1:20.32
▲ 7.17
1:14.52
▲ 5.80
1:12.06
▲ 2.46
1:05.98
▲ 6.08
58.80
▲ 7.18
58.79
▲ 0.01
57.49
▲ 1.30
55.59
▲ 1.90
57.93
▼ 2.34
200 Back SCY
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2:45.95
2:30.39
▲ 15.56
2:11.19
▲ 19.20
2:11.56
▼ 0.37
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2:03.68
▲ 7.88
2:03.59
▲ 0.09
2:07.40
▼ 3.81
50 Breast SCY
53.87
47.79
▲ 6.08
48.31
▼ 0.52
43.40
▲ 4.91
37.14
▲ 6.26
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100 Breast SCY
1:51.69
1:47.27
▲ 4.42
1:39.64
▲ 7.63
1:33.36
▲ 6.28
1:25.79
▲ 7.57
1:23.42
▲ 2.37
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200 Breast SCY
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2:56.58
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50 Fly SCY
43.08
39.68
▲ 3.40
35.49
▲ 4.19
37.13
▼ 1.64
32.60
▲ 4.53
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100 Fly SCY
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1:27.01
1:29.71
▼ 2.70
1:22.03
▲ 7.68
1:13.66
▲ 8.37
1:07.75
▲ 5.91
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59.66
▲ 8.09
58.36
▲ 1.30
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100 IM SCY
1:35.23
1:27.60
▲ 7.63
1:21.50
▲ 6.10
1:17.02
▲ 4.48
1:11.35
▲ 5.67
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200 IM SCY
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3:09.88
2:57.55
▲ 12.33
2:41.40
▲ 16.15
2:31.80
▲ 9.60
2:19.02
▲ 12.78
2:15.64
▲ 3.38
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2:16.92
▼ 1.28
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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.