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Stefan Kazakov

Age: 12 years old
Age Category: 11-12
Team: Jbarracudas Swim Team | San Diego-Imperial Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Jbarracudas Swim Team San Diego-Imperial Swimming Western Zone USA
Free 50 Y 26.96 12 03/06/2026 AA AAA: 25.79 (+1.17s | 4.3%) 1 9 269 1,000+
Free 100 Y 59.54 Analysis 12 03/06/2026 A AA: 58.69 (+0.85s | 1.4%) 1 10 246 1,000+
50 Free
28.49
28.49
100 Free
31.05
59.54
100 Free
59.54
Free 200 Y 2:13.13 Analysis 12 02/21/2026 A AA: 2:08.19 (+4.94s | 3.7%) 2 11 243 1,000+
50 Free
30.09
30.09
100 Free
34.46
1:04.55
100 Free
1:04.55
150 Free
35.37
1:39.92
200 Free
33.21
2:13.13
100 Free
1:08.58
Free 500 Y 6:14.62 Analysis 12 02/21/2026 BB A: 5:59.99 (+14.63s | 3.9%) 4 25 370 1,000+
50 Free
33.20
33.20
100 Free
37.68
1:10.88
100 Free
1:10.88
150 Free
38.93
1:49.81
200 Free
39.39
2:29.20
100 Free
1:18.32
250 Free
39.34
3:08.54
300 Free
39.54
3:48.08
100 Free
1:18.88
350 Free
38.96
4:27.04
400 Free
38.18
5:05.22
100 Free
1:17.14
450 Free
36.26
5:41.48
500 Free
33.14
6:14.62
100 Free
1:09.40
Back 50 Y 31.50 12 03/06/2026 A AA: 31.19 (+0.31s | 1.0%) 1 9 176 702
Back 100 Y 1:11.84 Analysis 12 12/19/2025 BB A: 1:09.29 (+2.55s | 3.5%) 1 11 377 1,000+
50 Back
35.07
35.07
100 Back
36.77
1:11.84
100 Back
1:11.84
Breast 50 Y 41.21 12 02/21/2026 B BB: 40.09 (+1.12s | 2.7%) 7 43 809 1,000+
Breast 100 Y 1:41.61 Analysis 12 02/07/2025 B: 1:32.59 (+9.02s | 8.9%) 11 87 1,000+ 1,000+
50 Breast
47.90
47.90
100 Breast
53.71
1:41.61
100 Breast
1:41.61
Fly 50 Y 29.95 12 03/06/2026 A AA: 29.69 (+0.26s | 0.9%) 1 9 142 535
Fly 100 Y 1:22.23 Analysis 12 10/12/2024 B BB: 1:16.09 (+6.14s | 7.5%) 3 41 761 1,000+
IM 100 Y 1:14.49 Analysis 12 12/05/2025 BB A: 1:09.99 (+4.50s | 6.0%) 3 28 480 1,000+
50 IM
33.35
33.35
100 IM
41.14
1:14.49
100 IM
1:14.49
IM 200 Y 2:42.17 Analysis 12 03/06/2026 BB A: 2:32.29 (+9.88s | 6.1%) 3 29 530 1,000+
50 Fly
35.04
35.04
100 Back
41.52
1:16.56
100 IM
1:16.56
150 Breast
52.08
2:08.64
200 Free
33.53
2:42.17
100 IM
1:25.61

Long course distance

Event Time Age Date Standard Next Standard Jbarracudas Swim Team San Diego-Imperial Swimming Western Zone USA
Free 50 M 29.00 12 06/19/2026 AAA AAAA: 28.09 (+0.91s | 3.1%) 1 3 42 118
Free 100 M 1:04.89 Analysis 12 06/19/2026 AA AAA: 1:04.49 (+0.40s | 0.6%) 1 5 64 185
50 Free
30.93
30.93
100 Free
33.96
1:04.89
100 Free
1:04.89
Free 400 M 5:36.63 Analysis 12 04/24/2026 BB A: 5:26.69 (+9.94s | 3.0%) 2 22 317 940
50 Free
35.09
35.09
100 Free
42.99
1:18.08
100 Free
1:18.08
150 Free
43.57
2:01.65
200 Free
43.92
2:45.57
100 Free
1:27.49
250 Free
44.77
3:30.34
300 Free
45.07
4:15.41
100 Free
1:29.84
400 Free
1:21.22
5:36.63
100 Free
1:21.22
Back 50 M 35.81 12 06/19/2026 AA AAA: 34.29 (+1.52s | 4.2%) 2 6 117 373
Back 100 M 1:19.69 Analysis 12 06/19/2026 A AA: 1:18.09 (+1.60s | 2.0%) 2 8 175 531
50 Back
39.77
39.77
100 Back
39.92
1:19.69
100 Back
1:19.69
Back 200 M 2:56.32 Analysis 12 04/24/2026 BB A: 2:53.99 (+2.33s | 1.3%) 1 4 140 469
50 Back
41.74
41.74
100 Back
45.96
1:27.70
100 Back
1:27.70
150 Back
46.10
2:13.80
200 Back
42.52
2:56.32
100 Back
1:28.62
Breast 50 M 53.67 12 06/20/2025 B: 49.79 (+3.88s | 7.2%) 13 94 1,000+ 1,000+
Fly 50 M 33.28 12 06/19/2026 AA AAA: 31.99 (+1.29s | 3.9%) 2 11 119 366
Fly 100 M 1:31.60 Analysis 12 04/24/2026 B BB: 1:27.29 (+4.31s | 4.7%) 4 34 540 1,000+
50 Fly
41.12
41.12
100 Fly
50.48
1:31.60
100 Fly
1:31.60
Fly 200 M 3:39.51 Analysis 12 04/24/2026 B: 3:24.79 (+14.72s | 6.7%) 1 13 145 374
50 Fly
44.66
44.66
100 Fly
56.96
1:41.62
100 Fly
1:41.62
150 Fly
1:00.97
2:42.59
200 Fly
56.92
3:39.51
100 Fly
1:57.89
IM 200 M 2:54.38 Analysis 12 06/19/2026 BB A: 2:53.69 (+0.69s | 0.4%) 2 17 270 773
50 Fly
38.70
38.70
100 Back
44.85
1:23.55
100 IM
1:23.55
150 Breast
56.16
2:19.71
200 Free
34.67
2:54.38
100 IM
1:30.83

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