Swimmer profile
Zach Marshall
Male17-18Nitro SwimmingST · SOUTHERN
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
34.93
32.11
▲ 2.82
28.92
▲ 3.19
28.06
▲ 0.86
25.88
▲ 2.18
25.25
▲ 0.63
25.30
▼ 0.05
23.40
▲ 1.90
100 Free SCY
1:26.48
1:15.53
▲ 10.95
1:04.53
▲ 11.00
1:00.67
▲ 3.86
56.60
▲ 4.07
53.92
▲ 2.68
52.83
▲ 1.09
50.78
▲ 2.05
200 Free SCY
3:08.34
2:37.85
▲ 30.49
—
2:13.24
▲ 24.61
2:04.67
▲ 8.57
1:56.08
▲ 8.59
1:56.63
▼ 0.55
1:49.58
▲ 7.05
500 Free SCY
—
—
—
5:47.24
5:27.30
▲ 19.94
5:10.62
▲ 16.68
5:03.30
▲ 7.32
4:54.91
▲ 8.39
1000 Free SCY
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—
—
—
—
11:02.44
10:29.52
▲ 32.92
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1650 Free SCY
—
—
—
—
—
17:55.93
16:59.21
▲ 56.72
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50 Back SCY
44.09
40.71
▲ 3.38
38.20
▲ 2.51
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—
—
—
—
100 Back SCY
1:39.13
1:26.28
▲ 12.85
—
1:17.19
▲ 9.09
1:09.08
▲ 8.11
1:06.70
▲ 2.38
—
59.31
▲ 7.39
200 Back SCY
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—
—
2:39.05
—
—
—
2:07.16
▲ 31.89
50 Breast SCY
45.64
42.47
▲ 3.17
36.19
▲ 6.28
—
—
—
—
27.00
▲ 9.19
100 Breast SCY
—
1:26.43
1:19.44
▲ 6.99
1:14.95
▲ 4.49
1:12.77
▲ 2.18
1:05.77
▲ 7.00
1:00.35
▲ 5.42
56.30
▲ 4.05
200 Breast SCY
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3:10.26
2:52.14
▲ 18.12
2:39.61
▲ 12.53
2:29.14
▲ 10.47
2:20.14
▲ 9.00
2:09.73
▲ 10.41
1:59.04
▲ 10.69
50 Fly SCY
47.20
37.62
▲ 9.58
33.12
▲ 4.50
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—
—
—
100 Fly SCY
—
—
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1:12.30
1:05.50
▲ 6.80
1:00.56
▲ 4.94
58.62
▲ 1.94
54.73
▲ 3.89
200 Fly SCY
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—
—
2:46.09
—
—
—
2:07.30
▲ 38.79
100 IM SCY
—
1:22.55
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—
—
—
—
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200 IM SCY
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2:48.31
2:35.19
▲ 13.12
2:23.93
▲ 11.26
2:19.76
▲ 4.17
2:07.00
▲ 12.76
2:01.01
▲ 5.99
1:53.87
▲ 7.14
400 IM SCY
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—
—
5:03.90
4:50.78
▲ 13.12
4:30.80
▲ 19.98
4:20.77
▲ 10.03
3:59.15
▲ 21.62
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.