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Mark Kozintsev

Age: 15 years old
Age Category: 15-16
Team: Machine Aquatics | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Machine Aquatics Potomac Valley Swimming Eastern Zone USA
Free 50 Y 28.77 15 12/04/2025 B: 28.29 (+0.48s | 1.7%) 75 650 1,000+ 1,000+
Free 100 Y 1:00.99 15 02/13/2026 B BB: 57.59 (+3.40s | 5.6%) 65 572 1,000+ 1,000+
50 Free
29.19
29.19
100 Free
31.80
1:00.99
100 Free
1:00.99
Free 200 Y 2:07.28 15 02/20/2026 B BB: 2:06.29 (+0.99s | 0.8%) 53 382 1,000+ 1,000+
50 Free
29.52
29.52
100 Free
32.39
1:01.91
100 Free
1:01.91
150 Free
32.82
1:34.73
200 Free
32.55
2:07.28
100 Free
1:05.37
Free 500 Y 5:38.91 15 02/20/2026 BB A: 5:15.79 (+23.12s | 6.8%) 28 239 1,000+ 1,000+
50 Free
30.13
30.13
100 Free
33.80
1:03.93
100 Free
1:03.93
150 Free
34.49
1:38.42
200 Free
34.82
2:13.24
100 Free
1:09.31
250 Free
34.52
2:47.76
300 Free
34.57
3:22.33
100 Free
1:09.09
350 Free
34.32
3:56.65
400 Free
34.38
4:31.03
100 Free
1:08.70
450 Free
34.16
5:05.19
500 Free
33.72
5:38.91
100 Free
1:07.88
Free 1000 Y 12:47.91 15 12/04/2025 B BB: 11:56.69 (+51.22s | 6.7%) 26 172 652 1,000+
50 Free
31.66
31.66
100 Free
35.70
1:07.36
100 Free
1:07.36
150 Free
36.68
1:44.04
200 Free
36.65
2:20.69
100 Free
1:13.33
250 Free
37.35
2:58.04
300 Free
36.78
3:34.82
100 Free
1:14.13
350 Free
37.43
4:12.25
400 Free
36.16
4:48.41
100 Free
1:13.59
450 Free
36.50
5:24.91
500 Free
37.21
6:02.12
100 Free
1:13.71
550 Free
37.86
6:39.98
600 Free
36.27
7:16.25
100 Free
1:14.13
650 Free
35.89
7:52.14
700 Free
36.54
8:28.68
100 Free
1:12.43
750 Free
37.06
9:05.74
800 Free
36.22
9:41.96
100 Free
1:13.28
850 Free
36.76
10:18.72
900 Free
36.41
10:55.13
100 Free
1:13.17
950 Free
35.37
11:30.50
1000 Free
1:17.41
12:47.91
100 Free
1:52.78
Free 1650 Y 19:51.86 15 01/03/2026 BB A: 18:22.79 (+89.07s | 7.5%) 24 110 420 1,000+
50 Free
32.11
32.11
100 Free
35.39
1:07.51
100 Free
1:07.51
150 Free
35.93
1:43.44
200 Free
36.69
2:20.13
100 Free
1:12.62
250 Free
36.34
2:56.47
300 Free
36.32
3:32.79
100 Free
1:12.66
350 Free
36.57
4:09.36
400 Free
36.74
4:46.10
100 Free
1:13.31
450 Free
36.30
5:22.40
500 Free
36.12
5:58.52
100 Free
1:12.42
550 Free
36.25
6:34.77
600 Free
36.41
7:11.18
100 Free
1:12.66
650 Free
35.72
7:46.90
700 Free
36.54
8:23.44
100 Free
1:12.26
750 Free
36.81
9:00.25
800 Free
36.96
9:37.21
100 Free
1:13.77
850 Free
36.39
10:13.60
900 Free
36.23
10:49.83
100 Free
1:12.62
950 Free
36.29
11:26.12
1000 Free
36.07
12:02.19
100 Free
1:12.36
1050 Free
36.68
12:38.87
1100 Free
36.67
13:15.54
100 Free
1:13.35
1150 Free
36.67
13:52.21
1200 Free
36.29
14:28.50
100 Free
1:12.96
1250 Free
36.57
15:05.07
1300 Free
36.15
15:41.22
100 Free
1:12.72
1350 Free
36.94
16:18.16
1400 Free
35.73
16:53.89
100 Free
1:12.67
1450 Free
36.20
17:30.09
1500 Free
36.01
18:06.10
100 Free
1:12.21
1550 Free
35.63
18:41.73
1600 Free
35.54
19:17.27
100 Free
1:11.17
1650 Free
34.59
19:51.86
Back 100 Y 1:13.08 15 12/04/2025 B: 1:07.49 (+5.59s | 7.6%) 56 476 1,000+ 1,000+
50 Back
35.67
35.67
100 Back
37.41
1:13.08
100 Back
1:13.08
Back 200 Y 2:28.30 15 02/20/2026 B: 2:27.59 (+0.71s | 0.5%) 42 273 1,000+ 1,000+
50 Back
36.05
36.05
100 Back
37.60
1:13.65
100 Back
1:13.65
150 Back
38.12
1:51.77
200 Back
36.53
2:28.30
100 Back
1:14.65
Breast 50 Y 33.93 15 02/20/2026 23 208 761 1,000+
Breast 100 Y 1:14.01 15 02/20/2026 B BB: 1:11.39 (+2.62s | 3.5%) 38 334 1,000+ 1,000+
50 Breast
34.88
34.88
100 Breast
39.13
1:14.01
100 Breast
1:14.01
Breast 200 Y 2:37.63 15 02/13/2026 B BB: 2:35.19 (+2.44s | 1.5%) 30 207 764 1,000+
50 Breast
17.67
17.67
100 Breast
18.16
35.83
100 Breast
35.83
200 Breast
2:01.80
2:37.63
100 Breast
2:01.80
Fly 100 Y 1:19.24 15 12/04/2025 B: 1:07.19 (+12.05s | 15.2%) 54 486 1,000+ 1,000+
50 Fly
36.27
36.27
100 Fly
42.97
1:19.24
100 Fly
1:19.24
Fly 200 Y 2:56.57 15 02/20/2026 B: 2:30.19 (+26.38s | 14.9%) 30 208 900 1,000+
50 Fly
38.19
38.19
100 Fly
45.03
1:23.22
100 Fly
1:23.22
150 Fly
46.87
2:10.09
200 Fly
46.48
2:56.57
100 Fly
1:33.35
IM 200 Y 2:26.35 15 02/20/2026 B BB: 2:20.19 (+6.16s | 4.2%) 45 372 1,000+ 1,000+
50 Fly
34.70
34.70
100 Back
38.96
1:13.66
100 IM
1:13.66
150 Breast
40.16
1:53.82
200 Free
32.53
2:26.35
100 IM
1:12.69
IM 400 Y 5:20.68 15 10/10/2025 B BB: 4:59.19 (+21.49s | 6.7%) 32 210 894 1,000+
50 Fly
4:10.52
4:10.52
50 Fly
4:10.52
100 Back
35.40
4:45.92
50 Back
35.40
150 Breast
34.76
5:20.68
50 Breast
34.76

Long course distance

Event Time Age Date Standard Next Standard Machine Aquatics Potomac Valley Swimming Eastern Zone USA
Free 100 M 1:20.52 13 04/26/2024 B: 1:11.79 (+8.73s | 10.8%) 16 129 579 1,000+
Back 100 M 1:26.74 13 04/26/2024 B: 1:19.39 (+7.35s | 8.5%) 17 103 446 1,000+
Breast 200 M 3:26.72 13 04/26/2024 B: 3:14.49 (+12.23s | 5.9%) 9 56 286 1,000+
Fly 100 M 1:42.56 13 04/26/2024 B: 1:16.79 (+25.77s | 25.1%) 17 122 475 1,000+

Above are the fastest times that Mark Kozintsev has achieved in his swimming career. For each event, you can find Mark's best time, the corresponding time standard, as well as how much faster Mark needs to be to reach the next level. The last columns provide Mark rankings at the team and LSC levels. These rankings are based on the Mark'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.