John Duma

Age: 18 years old
Age Category: 17-18
Team: Rockville Montgomery Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Potomac Valley Swimming Rockville Montgomery Swim Club
Free 50 Y 23.00 18 10/31/2025 A AA: 22.59 (+0.41s | 1.8%) 106 12
Free 100 Y 53.60 15 01/20/2023 BB A: 51.69 (+1.91s | 3.6%) 225 36
50 Free
26.04
26.04
100 Free
27.56
53.60
100 Free
53.60
Free 200 Y 1:50.84 16 10/27/2023 A AA: 1:49.69 (+1.15s | 1.0%) 98 15
50 Free
26.33
26.33
100 Free
27.69
54.02
100 Free
54.02
150 Free
28.42
1:22.44
200 Free
28.40
1:50.84
100 Free
56.82
Free 500 Y 5:03.36 16 10/27/2023 A AA: 4:58.39 (+4.97s | 1.6%) 68 8
50 Free
26.70
26.70
100 Free
29.75
56.45
100 Free
56.45
150 Free
30.18
1:26.63
200 Free
30.24
1:56.87
100 Free
1:00.42
250 Free
30.89
2:27.76
300 Free
31.45
2:59.21
100 Free
1:02.34
350 Free
31.43
3:30.64
400 Free
31.65
4:02.29
100 Free
1:03.08
450 Free
31.05
4:33.34
500 Free
30.02
5:03.36
100 Free
1:01.07
Free 1000 Y 10:33.35 16 10/27/2023 A AA: 10:24.49 (+8.86s | 1.4%) 45 3
50 Free
28.16
28.16
100 Free
30.78
58.94
100 Free
58.94
150 Free
31.52
1:30.46
200 Free
31.56
2:02.02
100 Free
1:03.08
250 Free
31.78
2:33.81
300 Free
32.38
3:06.19
100 Free
1:04.16
350 Free
31.84
3:38.03
400 Free
32.35
4:10.38
100 Free
1:04.19
450 Free
32.67
4:43.05
500 Free
32.55
5:15.60
100 Free
1:05.22
550 Free
32.40
5:48.00
600 Free
32.36
6:20.36
100 Free
1:04.76
650 Free
31.98
6:52.34
700 Free
32.47
7:24.81
100 Free
1:04.45
750 Free
31.91
7:56.72
800 Free
31.78
8:28.50
100 Free
1:03.69
850 Free
31.74
9:00.24
900 Free
31.94
9:32.18
100 Free
1:03.68
950 Free
31.09
10:03.28
1000 Free
30.07
10:33.35
100 Free
1:01.16
Back 100 Y 52.87 18 10/31/2025 AA AAA: 51.29 (+1.58s | 3.0%) 22 3
50 Back
26.09
26.09
100 Back
26.78
52.87
100 Back
52.87
Back 200 Y 1:56.81 16 10/27/2023 AA AAA: 1:53.09 (+3.72s | 3.2%) 27 5
50 Back
27.97
27.97
100 Back
29.82
57.79
100 Back
57.79
150 Back
29.58
1:27.37
200 Back
29.44
1:56.81
100 Back
59.02
Breast 100 Y 1:03.70 18 10/31/2025 A AA: 1:01.39 (+2.31s | 3.6%) 79 13
50 Breast
30.22
30.22
100 Breast
33.48
1:03.70
100 Breast
1:03.70
Breast 200 Y 2:26.11 15 01/20/2023 BB A: 2:19.09 (+7.02s | 4.8%) 83 20
50 Breast
32.33
32.33
100 Breast
36.93
1:09.26
100 Breast
1:09.26
150 Breast
38.53
1:47.79
200 Breast
38.32
2:26.11
100 Breast
1:16.85
Fly 100 Y 55.26 18 10/31/2025 A AA: 53.69 (+1.57s | 2.8%) 109 17
50 Fly
26.05
26.05
100 Fly
29.21
55.26
100 Fly
55.26
IM 200 Y 2:02.18 16 10/27/2023 A AA: 2:01.09 (+1.09s | 0.9%) 71 11
50 Fly
26.45
26.45
100 Back
30.72
57.17
100 IM
57.17
150 Breast
36.14
1:33.31
200 Free
28.87
2:02.18
100 IM
1:05.01
IM 400 Y 4:22.49 16 03/21/2024 A AA: 4:20.69 (+1.80s | 0.7%) 42 8
50 Fly
27.36
27.36
100 Fly
31.82
59.18
100 Fly
59.18
150 Back
33.80
1:32.98
200 Back
33.40
2:06.38
100 Back
1:07.20
250 Breast
38.08
2:44.46
300 Breast
38.58
3:23.04
100 Breast
1:16.66
350 Free
30.29
3:53.33
400 Free
29.16
4:22.49
100 Free
59.45

Long course distance

Event Time Age Date Standard Next Standard Potomac Valley Swimming Rockville Montgomery Swim Club
Free 50 M 26.90 16 01/13/2024 A AA: 26.19 (+0.71s | 2.6%) 73 15
Free 200 M 2:10.42 16 05/16/2024 A AA: 2:05.59 (+4.83s | 3.7%) 67 12
50 Free
30.51
30.51
100 Free
32.91
1:03.42
100 Free
1:03.42
150 Free
33.48
1:36.90
200 Free
33.52
2:10.42
100 Free
1:07.00
Free 400 M 4:47.38 16 05/16/2024 BB A: 4:39.79 (+7.59s | 2.6%) 58 11
50 Free
31.48
31.48
100 Free
36.08
1:07.56
100 Free
1:07.56
150 Free
36.01
1:43.57
200 Free
36.83
2:20.40
100 Free
1:12.84
250 Free
36.69
2:57.09
300 Free
37.33
3:34.42
100 Free
1:14.02
350 Free
36.97
4:11.39
400 Free
35.99
4:47.38
100 Free
1:12.96
Back 100 M 1:03.18 16 01/13/2024 AA AAA: 1:00.89 (+2.29s | 3.6%) 23 6
50 Back
30.96
30.96
100 Back
32.22
1:03.18
100 Back
1:03.18
550 Back
-32.-52
30.66
600 Back
32.52
1:03.18
100 Back
0.00
Back 200 M 2:18.05 16 05/16/2024 AA AAA: 2:12.89 (+5.16s | 3.7%) 21 6
50 Back
32.65
32.65
100 Back
35.57
1:08.23
100 Back
1:08.23
150 Back
34.96
1:43.19
200 Back
34.86
2:18.05
100 Back
1:09.82
Breast 100 M 1:19.05 16 05/16/2024 BB A: 1:14.39 (+4.66s | 5.9%) 47 7
50 Breast
37.44
37.44
100 Breast
41.61
1:19.05
100 Breast
1:19.05
IM 200 M 2:21.65 16 05/16/2024 A AA: 2:21.19 (+0.46s | 0.3%) 28 7
50 Fly
30.28
30.28
100 Back
36.59
1:06.87
100 IM
1:06.87
150 Breast
42.66
1:49.53
200 Free
32.12
2:21.65
100 IM
1:14.78
IM 400 M 5:11.08 16 01/13/2024 A AA: 5:01.89 (+9.19s | 3.0%) 28 7
50 Fly
32.15
32.15
100 Fly
37.14
1:09.29
100 Fly
1:09.29
150 Back
40.26
1:49.55
200 Back
38.94
2:28.49
100 Back
1:19.20
250 Breast
45.39
3:13.88
300 Breast
45.70
3:59.58
100 Breast
1:31.09
350 Free
36.37
4:35.95
400 Free
35.13
5:11.08
100 Free
1:11.50

Above are the fastest times that John Duma has achieved in his swimming career. For each event, you can find John's best time, the corresponding time standard, as well as how much faster John needs to be to reach the next level. The last columns provide John rankings at the team and LSC levels. These rankings are based on the John's personal best, his current age category, and team; and are calculated from all the meets results.

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.