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Isshin Yokoyama

Age: 14 years old
Age Category: 13-14
Team: Wave Aquatics | Pacific Northwest Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Wave Aquatics Pacific Northwest Swimming Western Zone USA
Free 50 Y 24.43 14 03/19/2026 AA AAA: 23.49 (+0.94s | 3.8%) 3 45 362 1,000+
Free 100 Y 53.66 Analysis 14 03/19/2026 A AA: 53.39 (+0.27s | 0.5%) 5 51 367 1,000+
Free 200 Y 2:04.87 Analysis 14 12/12/2025 BB A: 2:02.19 (+2.68s | 2.1%) 9 96 763 1,000+
50 Free
27.40
27.40
100 Free
32.36
59.76
100 Free
59.76
150 Free
33.11
1:32.87
200 Free
32.00
2:04.87
100 Free
1:05.11
Free 500 Y 5:40.21 Analysis 14 02/27/2026 BB A: 5:30.59 (+9.62s | 2.8%) 5 97 679 1,000+
50 Free
28.87
28.87
100 Free
32.53
1:01.40
100 Free
1:01.40
150 Free
34.20
1:35.60
200 Free
34.88
2:10.48
100 Free
1:09.08
250 Free
35.01
2:45.49
300 Free
35.17
3:20.66
100 Free
1:10.18
350 Free
35.10
3:55.76
400 Free
35.04
4:30.80
100 Free
1:10.14
450 Free
35.21
5:06.01
500 Free
34.20
5:40.21
100 Free
1:09.41
Free 1000 Y 12:27.25 Analysis 14 02/07/2025 B BB: 12:20.99 (+6.26s | 0.8%) 2 32 355 1,000+
Free 1650 Y 20:31.52 Analysis 14 02/07/2025 BB A: 19:11.09 (+80.43s | 6.5%) 3 54 358 1,000+
50 Free
31.56
31.56
100 Free
35.23
1:06.79
100 Free
1:06.79
150 Free
36.99
1:43.78
200 Free
37.21
2:20.99
100 Free
1:14.20
250 Free
37.30
2:58.29
300 Free
37.89
3:36.18
100 Free
1:15.19
350 Free
38.30
4:14.48
400 Free
38.33
4:52.81
100 Free
1:16.63
450 Free
37.57
5:30.38
500 Free
37.67
6:08.05
100 Free
1:15.24
550 Free
37.95
6:46.00
600 Free
38.05
7:24.05
100 Free
1:16.00
650 Free
38.54
8:02.59
700 Free
37.69
8:40.28
100 Free
1:16.23
750 Free
37.90
9:18.18
800 Free
38.15
9:56.33
100 Free
1:16.05
850 Free
37.51
10:33.84
900 Free
38.13
11:11.97
100 Free
1:15.64
950 Free
37.62
11:49.59
1000 Free
37.66
12:27.25
100 Free
1:15.28
1050 Free
37.53
13:04.78
1100 Free
37.97
13:42.75
100 Free
1:15.50
1150 Free
37.76
14:20.51
1200 Free
37.38
14:57.89
100 Free
1:15.14
1250 Free
37.46
15:35.35
1300 Free
37.73
16:13.08
100 Free
1:15.19
1350 Free
36.98
16:50.06
1400 Free
37.35
17:27.41
100 Free
1:14.33
1450 Free
38.21
18:05.62
1500 Free
37.23
18:42.85
100 Free
1:15.44
1550 Free
37.62
19:20.47
1600 Free
36.07
19:56.54
100 Free
1:13.69
1650 Free
34.98
20:31.52
Back 50 Y 29.11 14 03/28/2026 6 60 330 1,000+
Back 100 Y 1:04.88 Analysis 14 02/08/2025 BB A: 1:01.09 (+3.79s | 5.8%) 10 107 666 1,000+
50 Back
31.62
31.62
100 Back
33.26
1:04.88
100 Back
1:04.88
Back 200 Y 2:19.46 Analysis 14 10/04/2025 BB A: 2:12.59 (+6.87s | 4.9%) 7 82 505 1,000+
50 Back
32.50
32.50
100 Back
35.24
1:07.74
100 Back
1:07.74
150 Back
36.04
1:43.78
200 Back
35.68
2:19.46
100 Back
1:11.72
Breast 50 Y 32.51 14 12/12/2025 9 55 373 1,000+
Breast 100 Y 1:11.79 Analysis 14 02/27/2026 BB A: 1:08.99 (+2.80s | 3.9%) 13 78 574 1,000+
50 Breast
33.45
33.45
100 Breast
38.34
1:11.79
100 Breast
1:11.79
Breast 200 Y 2:40.63 Analysis 14 01/25/2025 BB A: 2:29.89 (+10.74s | 6.7%) 15 104 624 1,000+
50 Breast
36.77
36.77
100 Breast
40.96
1:17.73
100 Breast
1:17.73
150 Breast
41.43
1:59.16
200 Breast
41.47
2:40.63
100 Breast
1:22.90
Fly 50 Y 26.82 14 03/28/2026 3 37 249 778
Fly 100 Y 1:01.95 Analysis 14 03/28/2026 BB A: 1:00.39 (+1.56s | 2.5%) 9 71 511 1,000+
50 Fly
28.61
28.61
100 Fly
33.34
1:01.95
100 Fly
1:01.95
Fly 200 Y 2:40.83 Analysis 14 01/25/2025 B: 2:36.79 (+4.04s | 2.5%) 13 114 630 1,000+
50 Fly
34.39
34.39
100 Fly
41.84
1:16.23
100 Fly
1:16.23
150 Fly
43.62
1:59.85
200 Fly
40.98
2:40.83
100 Fly
1:24.60
IM 200 Y 2:20.41 Analysis 14 10/04/2025 BB A: 2:15.39 (+5.02s | 3.6%) 12 101 701 1,000+
50 Fly
29.18
29.18
100 Back
35.86
1:05.04
100 IM
1:05.04
150 Breast
41.76
1:46.80
200 Free
33.61
2:20.41
100 IM
1:15.37
IM 400 Y 5:09.13 Analysis 14 02/21/2025 BB A: 4:49.49 (+19.64s | 6.4%) 12 96 592 1,000+
50 Fly
32.88
32.88
100 Fly
40.75
1:13.63
100 Fly
1:13.63
150 Back
38.66
1:52.29
200 Back
38.78
2:31.07
100 Back
1:17.44
250 Breast
43.98
3:15.05
300 Breast
44.00
3:59.05
100 Breast
1:27.98
350 Free
35.41
4:34.46
400 Free
34.67
5:09.13
100 Free
1:10.08

Long course distance

Event Time Age Date Standard Next Standard Wave Aquatics Pacific Northwest Swimming Western Zone USA
Free 50 M 28.09 14 05/01/2026 AA AAA: 26.89 (+1.20s | 4.3%) 4 31 202 442
Free 100 M 1:02.95 Analysis 14 05/01/2026 A AA: 1:01.69 (+1.26s | 2.0%) 6 41 312 670
Free 200 M 2:24.45 Analysis 14 05/01/2026 BB A: 2:20.59 (+3.86s | 2.7%) 5 67 541 1,000+
Free 1500 M 21:14.75 Analysis 14 05/02/2025 BB A: 19:46.79 (+87.96s | 6.9%) 3 34 205 380
Back 50 M 35.13 14 05/02/2025 8 59 362 749
Back 100 M 1:15.31 Analysis 14 05/31/2025 BB A: 1:11.69 (+3.62s | 4.8%) 8 59 400 802
Breast 50 M 37.83 14 06/26/2025 8 37 215 453
Breast 100 M 1:24.25 Analysis 14 07/17/2025 BB A: 1:20.39 (+3.86s | 4.6%) 11 51 374 700
Fly 50 M 30.44 14 05/01/2026 2 19 113 255
Fly 100 M 1:13.64 Analysis 14 05/01/2026 BB A: 1:08.89 (+4.75s | 6.5%) 8 58 425 822
Fly 200 M 3:03.43 Analysis 14 06/26/2025 B: 2:59.69 (+3.74s | 2.0%) 7 60 293 582
IM 200 M 2:41.87 Analysis 14 05/31/2025 BB A: 2:36.69 (+5.18s | 3.2%) 8 62 449 842
IM 400 M 5:52.36 Analysis 14 05/31/2025 BB A: 5:34.89 (+17.47s | 5.0%) 8 56 302 558

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