Swimmer profile
Matthew Jo
Male17-18YMCA of Greater Boston Sea DragonsNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2021–22
2022–23
2023–24
50 Free LCM
50.58
39.72
▲ 10.86
35.15
▲ 4.57
33.65
▲ 1.50
28.86
▲ 4.79
27.26
▲ 1.60
27.12
▲ 0.14
100 Free LCM
1:51.03
1:28.94
▲ 22.09
1:17.33
▲ 11.61
1:13.46
▲ 3.87
1:02.20
▲ 11.26
1:00.77
▲ 1.43
1:00.68
▲ 0.09
200 Free LCM
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—
—
2:39.18
2:16.69
▲ 22.49
2:10.69
▲ 6.00
2:10.68
▲ 0.01
400 Free LCM
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—
—
—
—
4:48.57
4:37.74
▲ 10.83
50 Back LCM
57.83
52.10
▲ 5.73
43.75
▲ 8.35
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—
—
—
100 Back LCM
2:05.76
1:50.53
▲ 15.23
1:35.90
▲ 14.63
1:28.46
▲ 7.44
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—
—
200 Back LCM
—
—
—
3:03.09
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—
—
50 Breast LCM
1:02.79
59.41
▲ 3.38
45.17
▲ 14.24
41.90
▲ 3.27
—
34.61
▲ 7.29
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100 Breast LCM
2:26.22
2:03.64
▲ 22.58
1:36.95
▲ 26.69
1:29.35
▲ 7.60
1:18.08
▲ 11.27
1:15.10
▲ 2.98
1:13.77
▲ 1.33
200 Breast LCM
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—
3:28.19
3:05.15
▲ 23.04
2:50.08
▲ 15.07
2:47.46
▲ 2.62
2:45.76
▲ 1.70
50 Fly LCM
—
56.12
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—
—
—
—
200 Fly LCM
—
—
—
3:40.49
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—
—
200 IM LCM
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—
3:16.03
3:00.68
▲ 15.35
2:32.43
▲ 28.25
—
2:28.90
▲ 3.53
400 IM LCM
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—
—
6:20.34
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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.