Swimmer profile
John Duma
Male17-18Rockville Montgomery Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.87
34.64
▲ 4.23
31.05
▲ 3.59
28.16
▲ 2.89
27.46
▲ 0.70
26.90
▲ 0.56
26.34
▲ 0.56
26.18
▲ 0.16
100 Free LCM
1:26.81
1:18.87
▲ 7.94
1:11.29
▲ 7.58
1:03.41
▲ 7.88
1:00.07
▲ 3.34
—
57.13
▲ 2.94
58.82
▼ 1.69
200 Free LCM
—
2:51.72
2:34.38
▲ 17.34
—
—
2:10.42
▲ 23.96
2:05.86
▲ 4.56
—
400 Free LCM
—
6:05.23
5:37.74
▲ 27.49
4:55.40
▲ 42.34
4:41.06
▲ 14.34
4:47.38
▼ 6.32
4:52.57
▼ 5.19
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800 Free LCM
—
12:36.92
12:13.09
▲ 23.83
10:17.61
▲ 115.48
—
—
—
—
1500 Free LCM
—
—
—
20:27.19
—
—
—
—
50 Back LCM
45.57
42.29
▲ 3.28
—
—
30.36
▲ 11.93
30.71
▼ 0.35
27.96
▲ 2.75
27.58
▲ 0.38
100 Back LCM
—
—
1:19.97
1:07.54
▲ 12.43
1:05.07
▲ 2.47
1:02.18
▲ 2.89
59.41
▲ 2.77
1:00.18
▼ 0.77
200 Back LCM
—
—
—
2:32.88
2:18.03
▲ 14.85
2:18.05
▼ 0.02
2:09.97
▲ 8.08
2:14.29
▼ 4.32
50 Breast LCM
49.45
46.29
▲ 3.16
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—
—
—
—
—
100 Breast LCM
1:51.03
1:46.56
▲ 4.47
1:36.43
▲ 10.13
1:25.62
▲ 10.81
1:18.82
▲ 6.80
1:19.05
▼ 0.23
1:19.56
▼ 0.51
—
200 Breast LCM
—
—
—
—
2:52.81
—
—
—
50 Fly LCM
—
—
—
—
—
—
27.99
28.26
▼ 0.27
100 Fly LCM
—
—
1:38.03
1:13.20
▲ 24.83
—
—
1:01.35
▲ 11.85
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200 IM LCM
—
3:10.36
3:00.69
▲ 9.67
2:32.71
▲ 27.98
2:23.15
▲ 9.56
2:21.38
▲ 1.77
2:16.70
▲ 4.68
2:19.79
▼ 3.09
400 IM LCM
—
—
—
5:30.68
5:12.26
▲ 18.42
5:05.81
▲ 6.45
—
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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.