Swimmer profile
Mark Lou
Male17-18Long Island ExpressMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.64
31.36
▲ 8.28
28.46
▲ 2.90
26.64
▲ 1.82
26.06
▲ 0.58
25.78
▲ 0.28
25.29
▲ 0.49
100 Free LCM
1:39.32
1:10.93
▲ 28.39
1:04.22
▲ 6.71
59.18
▲ 5.04
56.28
▲ 2.90
55.44
▲ 0.84
55.16
▲ 0.28
200 Free LCM
3:42.04
2:39.41
▲ 62.63
2:25.69
▲ 13.72
2:13.99
▲ 11.70
2:08.01
▲ 5.98
2:06.88
▲ 1.13
2:08.38
▼ 1.50
400 Free LCM
—
5:52.38
—
5:13.69
▲ 38.69
5:00.72
▲ 12.97
4:47.48
▲ 13.24
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50 Back LCM
51.21
37.73
▲ 13.48
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—
—
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100 Back LCM
1:46.23
1:24.32
▲ 21.91
1:15.85
▲ 8.47
1:10.43
▲ 5.42
1:09.26
▲ 1.17
1:10.40
▼ 1.14
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200 Back LCM
—
—
2:43.88
2:41.34
▲ 2.54
2:37.05
▲ 4.29
2:39.91
▼ 2.86
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50 Breast LCM
1:02.73
45.30
▲ 17.43
—
37.21
▲ 8.09
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—
—
100 Breast LCM
2:15.52
1:37.06
▲ 38.46
1:32.20
▲ 4.86
1:22.71
▲ 9.49
1:22.96
▼ 0.25
1:20.66
▲ 2.30
1:20.64
▲ 0.02
200 Breast LCM
—
—
—
3:15.87
3:07.92
▲ 7.95
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50 Fly LCM
49.88
36.99
▲ 12.89
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—
—
—
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100 Fly LCM
—
—
1:15.32
1:07.83
▲ 7.49
1:07.64
▲ 0.19
1:05.12
▲ 2.52
1:09.61
▼ 4.49
200 IM LCM
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3:07.13
2:46.52
▲ 20.61
2:35.22
▲ 11.30
2:30.92
▲ 4.30
2:29.17
▲ 1.75
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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.