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Kouki Kubo

Age: 13 years old
Age Category: 13-14
Team: Waterloo Swimming | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Waterloo Swimming South Texas Swimming Southern Zone USA
Free 50 Y 25.71 13 10/16/2026 BB A: 25.59 (+0.12s | 0.5%) Rankings Rankings Rankings Rankings
Free 100 Y 56.61 Analysis 13 10/02/2026 BB A: 55.69 (+0.92s | 1.6%) Rankings Rankings Rankings Rankings
50 Free
26.35
26.35
100 Free
30.26
56.61
100 Free
56.61
Free 200 Y 2:19.26 Analysis 13 02/06/2026 B BB: 2:12.29 (+6.97s | 5.0%) Rankings Rankings Rankings Rankings
50 Free
31.88
31.88
100 Free
36.67
1:08.55
100 Free
1:08.55
150 Free
36.45
1:45.00
200 Free
34.26
2:19.26
100 Free
1:10.71
Free 500 Y 6:55.07 Analysis 13 02/02/2025 B: 6:25.69 (+29.38s | 7.1%) Rankings Rankings Rankings Rankings
Back 50 Y 32.93 13 02/06/2026 B BB: 31.29 (+1.64s | 5.0%) Rankings Rankings Rankings Rankings
Back 200 Y 3:00.83 Analysis 13 09/28/2024 B: 2:34.69 (+26.14s | 14.5%) Rankings Rankings Rankings Rankings
50 Back
41.85
41.85
100 Back
46.63
1:28.48
100 Back
1:28.48
150 Back
47.24
2:15.72
200 Back
45.11
3:00.83
100 Back
1:32.35
Breast 50 Y 32.31 13 10/02/2026 A AA: 31.69 (+0.62s | 1.9%) Rankings Rankings Rankings Rankings
Breast 100 Y 1:12.02 Analysis 13 10/16/2026 BB A: 1:08.99 (+3.03s | 4.2%) Rankings Rankings Rankings Rankings
50 Breast
33.40
33.40
100 Breast
38.62
1:12.02
100 Breast
1:12.02
Breast 200 Y 2:44.99 Analysis 13 10/16/2026 B BB: 2:42.39 (+2.60s | 1.6%) Rankings Rankings Rankings Rankings
50 Breast
36.64
36.64
100 Breast
41.43
1:18.07
100 Breast
1:18.07
150 Breast
44.25
2:02.32
200 Breast
42.67
2:44.99
100 Breast
1:26.92
Fly 50 Y 29.58 13 10/02/2026 BB A: 28.39 (+1.19s | 4.0%) Rankings Rankings Rankings Rankings
Fly 100 Y 1:22.41 Analysis 13 11/16/2024 B: 1:10.49 (+11.92s | 14.5%) Rankings Rankings Rankings Rankings
50 Fly
37.49
37.49
100 Fly
44.92
1:22.41
100 Fly
1:22.41
IM 200 Y 2:37.49 Analysis 13 12/05/2025 B BB: 2:26.69 (+10.80s | 6.9%) Rankings Rankings Rankings Rankings
50 Fly
32.97
32.97
100 Back
42.27
1:15.24
100 IM
1:15.24
150 Breast
44.54
1:59.78
200 Free
37.71
2:37.49
100 IM
1:22.25
IM 400 Y 6:20.37 Analysis 13 12/07/2024 B: 5:37.69 (+42.68s | 11.2%) Rankings Rankings Rankings Rankings

Long course distance

Event Time Age Date Standard Next Standard Waterloo Swimming South Texas Swimming Southern Zone USA
Free 50 M 29.22 13 07/09/2026 A AA: 28.19 (+1.03s | 3.5%) Rankings Rankings Rankings Rankings
Free 100 M 1:05.31 Analysis 13 07/09/2026 BB A: 1:04.39 (+0.92s | 1.4%) Rankings Rankings Rankings Rankings
Free 200 M 2:34.16 Analysis 13 06/06/2026 B BB: 2:32.29 (+1.87s | 1.2%) Rankings Rankings Rankings Rankings
50 Free
34.18
34.18
100 Free
39.51
1:13.69
100 Free
1:13.69
150 Free
40.79
1:54.48
200 Free
39.68
2:34.16
100 Free
1:20.47
Free 400 M 5:41.00 Analysis 13 05/15/2026 B BB: 5:23.49 (+17.51s | 5.1%) Rankings Rankings Rankings Rankings
Back 50 M 39.36 13 06/13/2025 B BB: 36.69 (+2.67s | 6.8%) Rankings Rankings Rankings Rankings
Breast 50 M 35.49 13 07/09/2026 AA AAA: 34.59 (+0.90s | 2.5%) Rankings Rankings Rankings Rankings
Breast 100 M 1:22.24 Analysis 13 07/09/2026 BB A: 1:20.39 (+1.85s | 2.2%) Rankings Rankings Rankings Rankings
Breast 200 M 3:18.47 Analysis 13 05/15/2026 B BB: 3:08.29 (+10.18s | 5.1%) Rankings Rankings Rankings Rankings
Fly 50 M 32.93 13 06/19/2026 BB A: 31.89 (+1.04s | 3.2%) Rankings Rankings Rankings Rankings
Fly 100 M 1:32.92 Analysis 13 05/16/2025 B: 1:20.29 (+12.63s | 13.6%) Rankings Rankings Rankings Rankings
50 Fly
42.24
42.24
100 Fly
50.68
1:32.92
100 Fly
1:32.92
IM 200 M 2:55.73 Analysis 13 04/24/2026 B BB: 2:49.79 (+5.94s | 3.4%) Rankings Rankings Rankings Rankings

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