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Jake Ko

Age: 16 years old
Age Category: 15-16
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 Y 22.56 16 12/20/2025 AA AAA: 22.19 (+0.37s | 1.6%) 7 62 222 748
Free 100 Y 49.58 Analysis 16 05/01/2026 AA AAA: 48.79 (+0.79s | 1.6%) 8 79 296 974
50 Free
24.31
24.31
100 Free
25.27
49.58
100 Free
49.58
Free 200 Y 1:50.30 Analysis 16 11/01/2025 AA AAA: 1:46.89 (+3.41s | 3.1%) 7 98 391 1,000+
Free 500 Y 4:58.00 Analysis 16 03/07/2026 AA AAA: 4:49.49 (+8.51s | 2.9%) 5 74 317 961
Back 50 Y 25.30 16 05/01/2026 AA AAA: 24.99 (+0.31s | 1.2%) 1 26 116 331
Back 100 Y 56.72 Analysis 16 01/24/2026 A AA: 55.49 (+1.23s | 2.2%) 5 86 331 1,000+
50 Back
27.10
27.10
100 Back
29.62
56.72
100 Back
56.72
Back 200 Y 2:07.01 Analysis 16 04/03/2025 BB A: 2:06.59 (+0.42s | 0.3%) 7 94 420 1,000+
50 Back
30.16
30.16
100 Back
32.65
1:02.81
100 Back
1:02.81
150 Back
32.61
1:35.42
200 Back
31.59
2:07.01
100 Back
1:04.20
Breast 50 Y 36.40 16 01/27/2023 B BB: 34.09 (+2.31s | 6.3%) 31 311 1,000+ 1,000+
Breast 100 Y 1:03.85 Analysis 16 01/24/2026 A AA: 1:03.19 (+0.66s | 1.0%) 11 98 373 1,000+
50 Breast
29.96
29.96
100 Breast
33.89
1:03.85
100 Breast
1:03.85
Breast 200 Y 2:19.41 Analysis 16 10/25/2025 A AA: 2:17.29 (+2.12s | 1.5%) 10 86 304 918
50 Breast
31.89
31.89
100 Breast
34.70
1:06.59
100 Breast
1:06.59
150 Breast
35.67
1:42.26
200 Breast
37.15
2:19.41
100 Breast
1:12.82
Fly 50 Y 23.47 16 07/26/2026 AAAA 3 14 33 88
Fly 100 Y 52.09 Analysis 16 02/26/2026 AAA AAAA: 50.39 (+1.70s | 3.3%) 2 29 79 239
50 Fly
24.60
24.60
100 Fly
27.49
52.09
100 Fly
52.09
Fly 200 Y 1:58.02 Analysis 16 03/07/2026 AAA AAAA: 1:52.69 (+5.33s | 4.5%) 2 34 103 298
IM 200 Y 2:00.11 Analysis 16 12/20/2025 AA AAA: 1:58.59 (+1.52s | 1.3%) 4 56 187 567
50 Fly
25.69
25.69
100 Back
30.42
56.11
100 IM
56.11
150 Breast
35.66
1:31.77
200 Free
28.34
2:00.11
100 IM
1:04.00
IM 400 Y 4:26.52 Analysis 16 10/25/2025 A AA: 4:24.69 (+1.83s | 0.7%) 4 69 275 899
50 Fly
28.08
28.08
100 Fly
31.97
1:00.05
100 Fly
1:00.05
150 Back
35.32
1:35.37
200 Back
35.42
2:10.79
100 Back
1:10.74
250 Breast
37.86
2:48.65
300 Breast
37.74
3:26.39
100 Breast
1:15.60
350 Free
29.97
3:56.36
400 Free
30.16
4:26.52
100 Free
1:00.13

Long course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 M 26.30 16 07/10/2026 AA AAA: 25.89 (+0.41s | 1.6%) 13 92 397 1,000+
Free 100 M 57.66 Analysis 16 07/10/2026 AA AAA: 56.39 (+1.27s | 2.2%) 10 88 396 1,000+
50 Free
27.92
27.92
100 Free
29.74
57.66
100 Free
57.66
Free 200 M 2:06.95 Analysis 16 06/12/2026 AA AAA: 2:03.09 (+3.86s | 3.0%) 9 84 393 1,000+
Free 400 M 4:46.17 Analysis 16 05/29/2026 A AA: 4:34.39 (+11.78s | 4.1%) 10 146 631 1,000+
50 Free
31.35
31.35
100 Free
35.76
1:07.11
100 Free
1:07.11
150 Free
36.75
1:43.86
200 Free
36.78
2:20.64
100 Free
1:13.53
250 Free
36.77
2:57.41
300 Free
37.05
3:34.46
100 Free
1:13.82
350 Free
36.12
4:10.58
400 Free
35.59
4:46.17
100 Free
1:11.71
Back 100 M 1:13.02 Analysis 16 05/25/2024 BB A: 1:07.99 (+5.03s | 6.9%) 23 199 923 1,000+
50 Back
35.45
35.45
100 Back
37.57
1:13.02
100 Back
1:13.02
Breast 100 M 1:18.30 Analysis 16 06/22/2024 BB A: 1:16.69 (+1.61s | 2.1%) 13 139 609 1,000+
Breast 200 M 2:51.96 Analysis 16 06/22/2024 BB A: 2:46.69 (+5.27s | 3.1%) 14 126 515 1,000+
Fly 50 M 27.45 16 06/25/2026 AAA AAAA: 26.79 (+0.66s | 2.4%) 5 35 127 385
Fly 100 M 59.93 Analysis 16 07/10/2026 AAA AAAA: 57.59 (+2.34s | 3.9%) 3 36 114 309
50 Fly
28.37
28.37
100 Fly
31.56
59.93
100 Fly
59.93
Fly 200 M 2:32.07 Analysis 16 04/18/2026 BB A: 2:27.19 (+4.88s | 3.2%) 9 92 382 1,000+
IM 200 M 2:23.71 Analysis 16 07/10/2026 AA AAA: 2:18.39 (+5.32s | 3.7%) 6 88 379 1,000+

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