Swimmer profile
Mark Lou
Male17-18Long Island ExpressMR · EASTERN
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
35.90
35.32
▲ 0.58
27.25
▲ 8.07
26.02
▲ 1.23
24.54
▲ 1.48
22.88
▲ 1.66
22.25
▲ 0.63
22.00
▲ 0.25
100 Free SCY
1:32.56
1:14.36
▲ 18.20
1:05.76
▲ 8.60
55.21
▲ 10.55
53.78
▲ 1.43
50.56
▲ 3.22
48.23
▲ 2.33
47.24
▲ 0.99
200 Free SCY
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—
2:40.54
2:10.70
▲ 29.84
2:03.59
▲ 7.11
1:56.82
▲ 6.77
1:50.13
▲ 6.69
1:48.71
▲ 1.42
500 Free SCY
—
—
—
—
—
5:35.72
5:15.35
▲ 20.37
5:18.28
▼ 2.93
50 Back SCY
43.75
39.03
▲ 4.72
33.58
▲ 5.45
31.08
▲ 2.50
—
—
—
28.12
▲ 2.96
100 Back SCY
1:38.74
1:23.03
▲ 15.71
1:19.07
▲ 3.96
1:04.23
▲ 14.84
1:03.77
▲ 0.46
1:02.88
▲ 0.89
59.81
▲ 3.07
1:01.06
▼ 1.25
200 Back SCY
—
—
—
—
2:20.64
2:14.58
▲ 6.06
2:09.65
▲ 4.93
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50 Breast SCY
53.06
—
38.26
▲ 14.80
35.65
▲ 2.61
—
—
—
30.30
▲ 5.35
100 Breast SCY
—
1:49.33
1:33.07
▲ 16.26
1:15.91
▲ 17.16
1:13.50
▲ 2.41
1:08.24
▲ 5.26
1:06.40
▲ 1.84
1:07.20
▼ 0.80
200 Breast SCY
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—
—
—
—
2:39.15
—
—
50 Fly SCY
42.52
37.89
▲ 4.63
32.01
▲ 5.88
29.92
▲ 2.09
—
—
25.74
▲ 4.18
25.68
▲ 0.06
100 Fly SCY
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—
—
1:03.62
1:02.84
▲ 0.78
59.24
▲ 3.60
57.62
▲ 1.62
57.07
▲ 0.55
200 Fly SCY
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—
—
—
2:32.40
2:21.06
▲ 11.34
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—
100 IM SCY
—
1:24.84
1:16.38
▲ 8.46
1:06.87
▲ 9.51
—
—
—
57.68
▲ 9.19
200 IM SCY
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—
—
2:28.85
2:19.18
▲ 9.67
2:13.18
▲ 6.00
2:09.30
▲ 3.88
2:09.62
▼ 0.32
400 IM SCY
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—
—
—
—
—
4:56.56
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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.