Swimmer profile
Zach Burk
Male15-16Delta AquaticsIL · 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
53.18
47.64
▲ 5.54
33.66
▲ 13.98
32.61
▲ 1.05
27.97
▲ 4.64
26.87
▲ 1.10
26.58
▲ 0.29
26.37
▲ 0.21
100 Free LCM
—
—
1:15.69
1:11.96
▲ 3.73
1:00.88
▲ 11.08
58.82
▲ 2.06
58.93
▼ 0.11
57.95
▲ 0.98
200 Free LCM
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—
2:48.09
2:47.64
▲ 0.45
2:19.31
▲ 28.33
2:10.86
▲ 8.45
2:10.29
▲ 0.57
2:06.30
▲ 3.99
400 Free LCM
—
—
5:57.06
5:41.42
▲ 15.64
5:02.15
▲ 39.27
4:48.35
▲ 13.80
4:53.65
▼ 5.30
4:37.21
▲ 16.44
50 Back LCM
1:01.52
—
37.19
▲ 24.33
34.61
▲ 2.58
32.51
▲ 2.10
31.92
▲ 0.59
30.20
▲ 1.72
—
100 Back LCM
—
1:57.74
1:23.12
▲ 34.62
1:18.63
▲ 4.49
1:14.78
▲ 3.85
1:09.98
▲ 4.80
1:08.89
▲ 1.09
1:04.60
▲ 4.29
200 Back LCM
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—
—
2:52.23
—
2:34.59
▲ 17.64
2:33.35
▲ 1.24
2:24.82
▲ 8.53
50 Breast LCM
—
—
53.14
47.05
▲ 6.09
41.02
▲ 6.03
39.22
▲ 1.80
—
—
100 Breast LCM
—
—
1:51.47
1:42.15
▲ 9.32
1:30.33
▲ 11.82
1:26.42
▲ 3.91
—
1:18.01
▲ 8.41
200 Breast LCM
—
—
—
—
3:13.04
3:17.25
▼ 4.21
3:01.88
▲ 15.37
2:47.41
▲ 14.47
50 Fly LCM
—
1:06.18
38.03
▲ 28.15
34.73
▲ 3.30
29.18
▲ 5.55
29.02
▲ 0.16
28.03
▲ 0.99
28.17
▼ 0.14
100 Fly LCM
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—
1:34.95
1:24.16
▲ 10.79
1:06.28
▲ 17.88
1:04.59
▲ 1.69
1:03.15
▲ 1.44
1:04.24
▼ 1.09
200 Fly LCM
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—
—
—
2:28.62
2:30.74
▼ 2.12
2:33.55
▼ 2.81
2:29.78
▲ 3.77
200 IM LCM
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—
3:04.96
2:59.74
▲ 5.22
2:32.85
▲ 26.89
2:31.40
▲ 1.45
2:28.37
▲ 3.03
2:26.41
▲ 1.96
400 IM LCM
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—
—
—
—
5:37.65
5:32.33
▲ 5.32
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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.