Swimmer profile
Zach Marshall
Male17-18Nitro SwimmingST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
37.10
31.81
▲ 5.29
31.20
▲ 0.61
30.16
▲ 1.04
27.48
▲ 2.68
27.50
▼ 0.02
26.38
▲ 1.12
100 Free LCM
1:31.38
1:09.50
▲ 21.88
1:07.47
▲ 2.03
1:03.49
▲ 3.98
1:00.42
▲ 3.07
59.17
▲ 1.25
56.84
▲ 2.33
200 Free LCM
3:16.14
—
—
2:19.26
▲ 56.88
2:09.58
▲ 9.68
2:07.29
▲ 2.29
2:05.05
▲ 2.24
400 Free LCM
—
5:18.12
5:04.74
▲ 13.38
5:06.77
▼ 2.03
4:33.37
▲ 33.40
4:36.64
▼ 3.27
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800 Free LCM
—
—
—
—
9:40.16
9:18.96
▲ 21.20
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1500 Free LCM
—
—
—
—
18:42.13
18:31.57
▲ 10.56
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50 Back LCM
45.04
—
—
—
—
—
—
100 Back LCM
—
—
1:23.45
1:20.80
▲ 2.65
1:11.40
▲ 9.40
1:10.16
▲ 1.24
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200 Back LCM
—
—
2:57.33
2:54.86
▲ 2.47
—
—
2:24.65
▲ 30.21
50 Breast LCM
49.32
—
—
—
—
30.88
▲ 18.44
29.87
▲ 1.01
100 Breast LCM
1:42.81
1:27.70
▲ 15.11
1:22.64
▲ 5.06
1:17.64
▲ 5.00
1:11.52
▲ 6.12
1:05.58
▲ 5.94
1:04.86
▲ 0.72
200 Breast LCM
—
3:04.34
2:56.73
▲ 7.61
2:44.89
▲ 11.84
2:33.02
▲ 11.87
2:19.00
▲ 14.02
2:17.89
▲ 1.11
100 Fly LCM
—
1:24.30
1:15.25
▲ 9.05
1:09.70
▲ 5.55
1:07.03
▲ 2.67
1:02.58
▲ 4.45
1:01.76
▲ 0.82
200 Fly LCM
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—
—
—
—
—
2:14.21
200 IM LCM
3:19.44
2:51.06
▲ 28.38
2:46.84
▲ 4.22
2:31.12
▲ 15.72
2:21.62
▲ 9.50
2:11.27
▲ 10.35
2:10.95
▲ 0.32
400 IM LCM
—
—
—
5:24.71
5:08.45
▲ 16.26
4:41.56
▲ 26.89
4:40.33
▲ 1.23
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.