Swimmer profile
Mackenzie Choinski
Female17-18Waukesha Express Swim TeamWI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
35.98
31.07
▲ 4.91
27.31
▲ 3.76
26.31
▲ 1.00
24.94
▲ 1.37
25.02
▼ 0.08
24.57
▲ 0.45
24.87
▼ 0.30
24.93
▼ 0.06
100 Free SCY
1:27.12
1:12.07
▲ 15.05
1:00.27
▲ 11.80
57.47
▲ 2.80
53.68
▲ 3.79
54.07
▼ 0.39
53.21
▲ 0.86
53.38
▼ 0.17
54.59
▼ 1.21
200 Free SCY
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2:58.62
2:12.10
▲ 46.52
2:04.45
▲ 7.65
1:59.63
▲ 4.82
1:57.17
▲ 2.46
1:55.03
▲ 2.14
1:59.68
▼ 4.65
2:04.02
▼ 4.34
500 Free SCY
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5:57.25
5:38.61
▲ 18.64
5:27.09
▲ 11.52
5:26.77
▲ 0.32
5:10.41
▲ 16.36
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1000 Free SCY
—
—
13:53.81
12:44.31
▲ 69.50
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—
—
—
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50 Back SCY
41.69
35.63
▲ 6.06
30.12
▲ 5.51
30.36
▼ 0.24
27.96
▲ 2.40
27.46
▲ 0.50
26.18
▲ 1.28
26.23
▼ 0.05
26.61
▼ 0.38
100 Back SCY
1:39.94
1:18.26
▲ 21.68
1:05.07
▲ 13.19
1:01.68
▲ 3.39
59.07
▲ 2.61
58.26
▲ 0.81
56.15
▲ 2.11
56.06
▲ 0.09
57.13
▼ 1.07
200 Back SCY
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2:27.50
2:14.11
▲ 13.39
2:11.04
▲ 3.07
2:07.92
▲ 3.12
2:01.93
▲ 5.99
2:08.41
▼ 6.48
2:07.56
▲ 0.85
50 Breast SCY
55.18
45.86
▲ 9.32
37.98
▲ 7.88
—
35.80
▲ 2.18
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100 Breast SCY
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1:40.18
1:26.51
▲ 13.67
—
1:20.59
▲ 5.92
1:18.35
▲ 2.24
1:18.39
▼ 0.04
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50 Fly SCY
48.11
36.62
▲ 11.49
31.44
▲ 5.18
31.87
▼ 0.43
29.02
▲ 2.85
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100 Fly SCY
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1:38.39
1:25.70
▲ 12.69
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1:03.43
▲ 22.27
1:01.48
▲ 1.95
1:00.92
▲ 0.56
1:06.78
▼ 5.86
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100 IM SCY
1:45.20
1:22.55
▲ 22.65
1:09.87
▲ 12.68
1:09.92
▼ 0.05
1:06.52
▲ 3.40
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1:01.70
▲ 4.82
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200 IM SCY
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3:21.79
2:37.20
▲ 44.59
2:24.25
▲ 12.95
2:22.06
▲ 2.19
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2:15.01
▲ 7.05
2:13.66
▲ 1.35
2:24.92
▼ 11.26
400 IM SCY
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5:40.35
5:43.53
▼ 3.18
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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.