Swimmer profile
John Duma
Male17-18Rockville Montgomery Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
40.90
36.64
▲ 4.26
34.76
▲ 1.88
31.05
▲ 3.71
29.56
▲ 1.49
30.38
▼ 0.82
25.62
▲ 4.76
23.88
▲ 1.74
23.32
▲ 0.56
22.74
▲ 0.58
22.20
▲ 0.54
100 Free SCY
—
1:24.77
1:21.79
▲ 2.98
1:11.86
▲ 9.93
1:06.20
▲ 5.66
1:09.24
▼ 3.04
56.57
▲ 12.67
53.31
▲ 3.26
50.94
▲ 2.37
50.70
▲ 0.24
49.37
▲ 1.33
200 Free SCY
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3:05.88
3:02.20
▲ 3.68
2:49.72
▲ 12.48
2:20.61
▲ 29.11
2:29.24
▼ 8.63
2:03.34
▲ 25.90
1:56.05
▲ 7.29
1:49.02
▲ 7.03
1:50.52
▼ 1.50
1:47.58
▲ 2.94
500 Free SCY
—
—
8:01.39
6:58.65
▲ 62.74
6:15.58
▲ 43.07
6:41.42
▼ 25.84
5:38.11
▲ 63.31
5:17.46
▲ 20.65
5:03.36
▲ 14.10
—
4:58.37
▲ 4.99
1000 Free SCY
—
—
16:38.81
15:42.01
▲ 56.80
13:15.56
▲ 146.45
—
11:57.47
▲ 78.09
—
10:33.35
▲ 84.12
—
—
1650 Free SCY
—
—
—
—
—
—
20:04.60
—
—
—
—
50 Back SCY
53.94
44.89
▲ 9.05
41.32
▲ 3.57
37.97
▲ 3.35
33.20
▲ 4.77
—
28.71
▲ 4.49
26.65
▲ 2.06
25.69
▲ 0.96
24.60
▲ 1.09
23.98
▲ 0.62
100 Back SCY
—
1:37.36
1:31.34
▲ 6.02
1:26.31
▲ 5.03
1:14.38
▲ 11.93
1:12.32
▲ 2.06
1:00.78
▲ 11.54
56.65
▲ 4.13
54.43
▲ 2.22
52.24
▲ 2.19
51.04
▲ 1.20
200 Back SCY
—
—
—
—
2:40.12
2:38.45
▲ 1.67
2:12.35
▲ 26.10
2:01.26
▲ 11.09
1:56.68
▲ 4.58
1:51.59
▲ 5.09
1:50.77
▲ 0.82
50 Breast SCY
55.20
47.43
▲ 7.77
43.70
▲ 3.73
43.59
▲ 0.11
39.20
▲ 4.39
—
33.21
▲ 5.99
30.34
▲ 2.87
—
—
—
100 Breast SCY
2:01.58
1:46.29
▲ 15.29
1:40.03
▲ 6.26
1:28.26
▲ 11.77
1:26.75
▲ 1.51
—
1:13.14
▲ 13.61
1:04.95
▲ 8.19
1:04.43
▲ 0.52
1:10.17
▼ 5.74
1:03.70
▲ 6.47
200 Breast SCY
—
—
3:36.58
—
3:14.02
▲ 22.56
3:13.90
▲ 0.12
2:38.84
▲ 35.06
2:23.38
▲ 15.46
—
—
—
50 Fly SCY
—
—
42.50
40.41
▲ 2.09
36.98
▲ 3.43
—
28.48
▲ 8.50
—
—
—
—
100 Fly SCY
—
—
1:44.22
1:33.47
▲ 10.75
1:27.93
▲ 5.54
1:33.12
▼ 5.19
1:04.77
▲ 28.35
—
56.18
▲ 8.59
57.51
▼ 1.33
53.50
▲ 4.01
200 Fly SCY
—
—
—
—
—
3:10.45
2:31.82
▲ 38.63
2:17.26
▲ 14.56
2:08.90
▲ 8.36
2:10.69
▼ 1.79
—
100 IM SCY
2:00.71
1:35.30
▲ 25.41
1:33.75
▲ 1.55
1:20.68
▲ 13.07
1:20.37
▲ 0.31
—
—
—
56.00
▲ 24.37
—
—
200 IM SCY
—
—
3:17.81
3:13.79
▲ 4.02
2:46.69
▲ 27.10
2:44.56
▲ 2.13
2:16.01
▲ 28.55
2:03.42
▲ 12.59
1:58.85
▲ 4.57
2:01.68
▼ 2.83
1:59.13
▲ 2.55
400 IM SCY
—
—
—
—
—
5:56.63
4:50.66
▲ 65.97
4:33.99
▲ 16.67
4:20.78
▲ 13.21
4:26.03
▼ 5.25
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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.