Kouki Kubo

Age: 12 years old
Age Category: 11-12
Team: Waterloo Swimming | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard South Texas Swimming Waterloo Swimming
Free 50 Y 29.29 12 11/07/2025 BB A: 28.09 (+1.20s | 4.1%) 90 11
Free 100 Y 1:04.32 12 10/17/2025 BB A: 1:01.29 (+3.03s | 4.7%) 80 9
50 Free
30.96
30.96
100 Free
33.36
1:04.32
100 Free
1:04.32
Free 200 Y 2:26.55 12 09/27/2025 B BB: 2:24.89 (+1.66s | 1.1%) 88 10
50 Free
33.52
33.52
100 Free
38.18
1:11.70
100 Free
1:11.70
150 Free
38.70
1:50.40
200 Free
36.15
2:26.55
100 Free
1:14.85
Free 500 Y 6:55.07 11 02/02/2025 B BB: 6:29.99 (+25.08s | 6.0%) 87 11
Back 50 Y 34.33 12 09/27/2025 BB A: 32.69 (+1.64s | 4.8%) 70 11
Back 200 Y 3:00.83 11 09/28/2024 B: 2:52.89 (+7.94s | 4.4%) 74 12
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 35.69 12 11/07/2025 A AA: 34.99 (+0.70s | 2.0%) 24 5
Breast 100 Y 1:21.19 12 10/17/2025 BB A: 1:18.39 (+2.80s | 3.4%) 40 5
50 Breast
38.07
38.07
100 Breast
43.12
1:21.19
100 Breast
1:21.19
Breast 200 Y 3:14.48 11 10/18/2024 B BB: 3:02.39 (+12.09s | 6.2%) 61 10
50 Breast
44.03
44.03
100 Breast
48.80
1:32.83
100 Breast
1:32.83
150 Breast
51.13
2:23.96
200 Breast
50.52
3:14.48
100 Breast
1:41.65
Fly 50 Y 32.62 12 10/17/2025 BB A: 31.19 (+1.43s | 4.4%) 78 12
Fly 100 Y 1:22.41 11 11/16/2024 B BB: 1:16.09 (+6.32s | 7.7%) 94 12
50 Fly
37.49
37.49
100 Fly
44.92
1:22.41
100 Fly
1:22.41
IM 100 Y 1:12.81 12 09/27/2025 BB A: 1:09.99 (+2.82s | 3.9%) 54 8
50 IM
33.45
33.45
100 IM
39.36
1:12.81
100 IM
1:12.81
IM 200 Y 2:45.20 12 10/17/2025 BB A: 2:32.29 (+12.91s | 7.8%) 89 13
50 Fly
34.36
34.36
100 Back
46.84
1:21.20
100 IM
1:21.20
150 Breast
46.54
2:07.74
200 Free
37.46
2:45.20
100 IM
1:24.00
IM 400 Y 6:20.37 11 12/07/2024 B: 6:17.09 (+3.28s | 0.9%) 48 10

Long course distance

Event Time Age Date Standard Next Standard South Texas Swimming Waterloo Swimming
Free 50 M 35.15 12 05/09/2025 B BB: 34.79 (+0.36s | 1.0%) 101 14
Free 100 M 1:20.80 12 05/09/2025 B BB: 1:16.19 (+4.61s | 5.7%) 108 15
Free 200 M 2:58.80 12 05/09/2025 B BB: 2:46.39 (+12.41s | 6.9%) 88 12
Back 50 M 39.36 12 06/13/2025 BB A: 37.69 (+1.67s | 4.2%) 54 9
Breast 50 M 42.25 12 05/16/2025 BB A: 41.99 (+0.26s | 0.6%) 30 5
Breast 100 M 1:38.23 12 05/16/2025 BB A: 1:31.29 (+6.94s | 7.1%) 41 7
50 Breast
45.67
45.67
100 Breast
52.56
1:38.23
100 Breast
1:38.23
Fly 50 M 40.10 11 04/27/2025 B BB: 38.69 (+1.41s | 3.5%) 84 12
Fly 100 M 1:32.92 12 05/16/2025 B BB: 1:27.29 (+5.63s | 6.1%) 65 10
50 Fly
42.24
42.24
100 Fly
50.68
1:32.92
100 Fly
1:32.92

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.