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Koki Yamamoto

Age: 16 years old
Age Category: 15-16
Team: Dads Club Swim Team | Gulf Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Dads Club Swim Team Gulf Swimming Southern Zone USA
Free 50 Y 24.49 16 02/28/2025 BB A: 24.19 (+0.30s | 1.2%) 9 135 1,000+ 1,000+
Free 100 Y 54.00 Analysis 16 12/05/2024 BB A: 53.19 (+0.81s | 1.5%) 11 161 1,000+ 1,000+
50 Free
26.32
26.32
100 Free
27.68
54.00
100 Free
54.00
Free 200 Y 1:53.69 Analysis 16 01/10/2025 A AA: 1:51.79 (+1.90s | 1.7%) 6 68 720 1,000+
50 Free
26.58
26.58
100 Free
28.44
55.02
100 Free
55.02
150 Free
29.40
1:24.42
200 Free
29.27
1:53.69
100 Free
58.67
Free 500 Y 5:07.18 Analysis 16 12/05/2024 A AA: 5:02.69 (+4.49s | 1.5%) 4 50 489 1,000+
50 Free
28.01
28.01
100 Free
30.61
58.62
100 Free
58.62
150 Free
30.64
1:29.26
200 Free
31.20
2:00.46
100 Free
1:01.84
250 Free
31.51
2:31.97
300 Free
31.40
3:03.37
100 Free
1:02.91
350 Free
31.34
3:34.71
400 Free
30.98
4:05.69
100 Free
1:02.32
450 Free
31.37
4:37.06
500 Free
30.12
5:07.18
100 Free
1:01.49
Back 100 Y 1:03.47 Analysis 16 11/02/2024 B BB: 1:02.69 (+0.78s | 1.2%) 8 153 1,000+ 1,000+
50 Back
31.50
31.50
100 Back
31.97
1:03.47
100 Back
1:03.47
Breast 100 Y 59.84 Analysis 16 12/05/2024 AAA AAAA: 57.69 (+2.15s | 3.6%) 1 7 90 364
50 Breast
28.47
28.47
100 Breast
31.37
59.84
100 Breast
59.84
Breast 200 Y 2:12.89 Analysis 16 02/28/2025 AA AAA: 2:11.29 (+1.60s | 1.2%) 2 13 119 453
50 Breast
29.98
29.98
100 Breast
33.38
1:03.36
100 Breast
1:03.36
150 Breast
35.41
1:38.77
200 Breast
34.12
2:12.89
100 Breast
1:09.53
Fly 100 Y 55.59 Analysis 16 02/28/2025 A AA: 55.19 (+0.40s | 0.7%) 5 40 434 1,000+
50 Fly
26.44
26.44
100 Fly
29.15
55.59
100 Fly
55.59
IM 200 Y 2:01.38 Analysis 16 02/28/2025 AA AAA: 1:58.59 (+2.79s | 2.3%) 4 23 258 884
50 Fly
26.51
26.51
100 Back
32.46
58.97
100 IM
58.97
150 Breast
33.39
1:32.36
200 Free
29.02
2:01.38
100 IM
1:02.41
IM 400 Y 4:16.82 Analysis 16 02/28/2025 AA AAA: 4:13.19 (+3.63s | 1.4%) 2 12 150 512

Long course distance

Event Time Age Date Standard Next Standard Dads Club Swim Team Gulf Swimming Southern Zone USA
Breast 100 M 1:07.60 Analysis 16 07/10/2025 AAA AAAA: 1:07.09 (+0.51s | 0.8%) 1 3 28 60
50 Breast
32.47
32.47
100 Breast
35.13
1:07.60
100 Breast
1:07.60
Breast 200 M 2:29.55 Analysis 16 07/10/2025 AAA AAAA: 2:25.89 (+3.66s | 2.4%) 1 2 30 94
50 Breast
34.30
34.30
100 Breast
38.28
1:12.58
100 Breast
1:12.58
150 Breast
38.51
1:51.09
200 Breast
38.46
2:29.55
100 Breast
1:16.97
Fly 200 M 2:14.29 Analysis 16 07/10/2025 AAA AAAA: 2:08.79 (+5.50s | 4.1%) 2 4 34 123
50 Fly
30.58
30.58
100 Fly
33.89
1:04.47
100 Fly
1:04.47
150 Fly
35.14
1:39.61
200 Fly
34.68
2:14.29
100 Fly
1:09.82
IM 400 M 4:52.84 Analysis 16 07/10/2025 AAA AAAA: 4:41.09 (+11.75s | 4.0%) 2 7 55 175
50 Fly
30.43
30.43
100 Fly
34.76
1:05.19
100 Fly
1:05.19
150 Back
40.39
1:45.58
200 Back
39.31
2:24.89
100 Back
1:19.70
250 Breast
41.00
3:05.89
300 Breast
41.26
3:47.15
100 Breast
1:22.26
350 Free
33.65
4:20.80
400 Free
32.04
4:52.84
100 Free
1:05.69

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