Swimmer profile
Justin Lum
MaleOpen / SeniorUSC AquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2007–08
2008–09
2009–10
2010–11
2011–12
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
50 Free LCM
59.27
—
41.23
▲ 18.04
38.34
▲ 2.89
35.33
▲ 3.01
33.81
▲ 1.52
—
30.11
▲ 3.70
29.11
▲ 1.00
27.81
▲ 1.30
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—
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100 Free LCM
2:04.35
1:43.12
▲ 21.23
1:29.91
▲ 13.21
1:23.33
▲ 6.58
1:18.93
▲ 4.40
1:12.31
▲ 6.62
1:10.03
▲ 2.28
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—
59.39
▲ 10.64
—
—
—
200 Free LCM
—
—
3:12.35
2:57.82
▲ 14.53
2:46.08
▲ 11.74
2:45.35
▲ 0.73
2:28.75
▲ 16.60
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—
—
—
—
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400 Free LCM
—
—
—
—
5:59.99
—
—
—
—
—
—
—
—
50 Back LCM
1:07.02
—
52.72
▲ 14.30
—
—
—
—
—
—
—
—
—
—
100 Back LCM
2:33.92
—
1:51.02
▲ 42.90
1:38.78
▲ 12.24
—
1:30.25
▲ 8.53
1:23.98
▲ 6.27
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—
—
—
—
—
50 Breast LCM
—
—
55.72
52.98
▲ 2.74
48.11
▲ 4.87
—
—
—
—
—
—
31.04
▲ 17.07
30.61
▲ 0.43
100 Breast LCM
—
2:13.63
1:58.85
▲ 14.78
1:47.45
▲ 11.40
1:44.70
▲ 2.75
1:35.39
▲ 9.31
1:27.18
▲ 8.21
1:13.86
▲ 13.32
1:10.02
▲ 3.84
1:06.78
▲ 3.24
1:05.27
▲ 1.51
1:04.47
▲ 0.80
1:04.35
▲ 0.12
200 Breast LCM
—
—
—
—
3:32.90
3:23.03
▲ 9.87
3:05.29
▲ 17.74
2:39.58
▲ 25.71
2:31.01
▲ 8.57
2:23.41
▲ 7.60
2:20.84
▲ 2.57
2:20.46
▲ 0.38
2:20.04
▲ 0.42
50 Fly LCM
1:20.61
—
47.68
▲ 32.93
42.20
▲ 5.48
37.91
▲ 4.29
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—
—
—
—
—
—
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100 Fly LCM
—
—
—
1:28.33
1:24.26
▲ 4.07
1:18.00
▲ 6.26
1:12.24
▲ 5.76
1:08.11
▲ 4.13
1:04.28
▲ 3.83
1:07.32
▼ 3.04
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—
—
200 Fly LCM
—
—
—
—
3:14.36
3:00.39
▲ 13.97
2:45.21
▲ 15.18
2:27.72
▲ 17.49
2:29.70
▼ 1.98
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200 IM LCM
—
4:12.96
—
3:13.41
▲ 59.55
3:02.19
▲ 11.22
2:58.80
▲ 3.39
2:41.52
▲ 17.28
2:33.18
▲ 8.34
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—
2:27.36
▲ 5.82
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400 IM LCM
—
—
—
6:59.49
6:29.06
▲ 30.43
—
5:45.11
▲ 43.95
5:24.47
▲ 20.64
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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.