Swimmer profile
Mackenzie Feirstein
Female15-16Gold Medal Swim ClubAZ · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
43.56
36.27
▲ 7.29
32.54
▲ 3.73
32.90
▼ 0.36
32.50
▲ 0.40
32.44
▲ 0.06
32.06
▲ 0.38
100 Free LCM
1:34.92
1:20.72
▲ 14.20
1:18.43
▲ 2.29
1:13.00
▲ 5.43
1:14.48
▼ 1.48
1:07.91
▲ 6.57
1:08.03
▼ 0.12
200 Free LCM
3:39.69
2:56.04
▲ 43.65
2:38.95
▲ 17.09
2:40.94
▼ 1.99
2:39.19
▲ 1.75
2:36.14
▲ 3.05
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400 Free LCM
—
—
—
—
—
5:22.08
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50 Back LCM
48.88
41.05
▲ 7.83
41.74
▼ 0.69
—
—
—
38.90
▲ 2.84
100 Back LCM
1:46.32
1:29.47
▲ 16.85
1:27.09
▲ 2.38
1:28.77
▼ 1.68
1:23.17
▲ 5.60
1:21.92
▲ 1.25
1:22.76
▼ 0.84
50 Breast LCM
1:01.02
44.97
▲ 16.05
40.57
▲ 4.40
40.65
▼ 0.08
—
40.49
▲ 0.16
41.25
▼ 0.76
100 Breast LCM
2:07.71
1:36.83
▲ 30.88
1:31.96
▲ 4.87
1:27.91
▲ 4.05
1:26.28
▲ 1.63
1:28.20
▼ 1.92
1:26.12
▲ 2.08
200 Breast LCM
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—
3:17.11
3:12.62
▲ 4.49
3:04.30
▲ 8.32
3:08.49
▼ 4.19
3:02.99
▲ 5.50
50 Fly LCM
53.40
40.81
▲ 12.59
37.11
▲ 3.70
34.72
▲ 2.39
—
35.23
▼ 0.51
34.66
▲ 0.57
100 Fly LCM
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1:31.37
1:27.62
▲ 3.75
1:18.13
▲ 9.49
1:16.15
▲ 1.98
1:14.18
▲ 1.97
1:14.93
▼ 0.75
200 Fly LCM
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—
—
3:13.54
2:46.10
▲ 27.44
2:44.52
▲ 1.58
2:46.71
▼ 2.19
200 IM LCM
4:13.11
3:05.43
▲ 67.68
3:04.90
▲ 0.53
2:50.76
▲ 14.14
2:52.29
▼ 1.53
2:47.26
▲ 5.03
2:43.64
▲ 3.62
400 IM LCM
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—
6:34.47
6:22.15
▲ 12.32
6:05.96
▲ 16.19
5:51.21
▲ 14.75
5:56.62
▼ 5.41
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.