Swimmer profile
Mackenzie Feirstein
Female15-16Gold Medal Swim ClubAZ · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
39.29
35.73
▲ 3.56
32.13
▲ 3.60
30.00
▲ 2.13
29.22
▲ 0.78
27.92
▲ 1.30
28.28
▼ 0.36
27.63
▲ 0.65
100 Free SCY
1:34.43
1:22.14
▲ 12.29
1:13.03
▲ 9.11
1:09.57
▲ 3.46
1:05.63
▲ 3.94
1:01.84
▲ 3.79
1:00.97
▲ 0.87
59.57
▲ 1.40
200 Free SCY
3:28.56
3:04.97
▲ 23.59
2:37.54
▲ 27.43
2:28.11
▲ 9.43
2:22.21
▲ 5.90
2:17.90
▲ 4.31
2:13.41
▲ 4.49
2:14.58
▼ 1.17
500 Free SCY
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6:41.85
6:20.99
▲ 20.86
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5:56.08
▲ 24.91
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1000 Free SCY
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—
—
—
13:18.60
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50 Back SCY
47.00
43.02
▲ 3.98
38.13
▲ 4.89
36.55
▲ 1.58
35.45
▲ 1.10
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100 Back SCY
1:48.79
1:30.12
▲ 18.67
1:26.13
▲ 3.99
1:20.20
▲ 5.93
1:17.04
▲ 3.16
1:12.91
▲ 4.13
1:10.76
▲ 2.15
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200 Back SCY
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2:42.65
2:37.71
▲ 4.94
2:39.15
▼ 1.44
2:35.27
▲ 3.88
2:31.82
▲ 3.45
50 Breast SCY
58.66
48.80
▲ 9.86
41.77
▲ 7.03
38.08
▲ 3.69
36.56
▲ 1.52
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35.03
▲ 1.53
100 Breast SCY
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1:43.79
1:32.73
▲ 11.06
1:19.96
▲ 12.77
1:17.92
▲ 2.04
1:13.90
▲ 4.02
1:16.42
▼ 2.52
1:12.77
▲ 3.65
200 Breast SCY
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3:28.29
2:53.98
▲ 34.31
2:49.97
▲ 4.01
2:44.74
▲ 5.23
2:43.29
▲ 1.45
2:39.66
▲ 3.63
50 Fly SCY
50.12
43.80
▲ 6.32
36.19
▲ 7.61
35.21
▲ 0.98
31.30
▲ 3.91
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30.40
▲ 0.90
100 Fly SCY
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1:38.20
1:22.39
▲ 15.81
1:19.16
▲ 3.23
1:09.76
▲ 9.40
1:06.52
▲ 3.24
1:05.24
▲ 1.28
1:05.69
▼ 0.45
200 Fly SCY
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2:52.13
2:34.79
▲ 17.34
2:28.39
▲ 6.40
2:26.03
▲ 2.36
2:22.19
▲ 3.84
100 IM SCY
1:42.12
1:32.52
▲ 9.60
1:20.03
▲ 12.49
1:16.10
▲ 3.93
1:11.05
▲ 5.05
1:09.93
▲ 1.12
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200 IM SCY
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3:30.07
2:51.09
▲ 38.98
2:43.83
▲ 7.26
2:36.22
▲ 7.61
2:30.65
▲ 5.57
2:30.45
▲ 0.20
2:23.25
▲ 7.20
400 IM SCY
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5:47.08
5:39.52
▲ 7.56
5:15.40
▲ 24.12
5:13.87
▲ 1.53
5:13.16
▲ 0.71
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.