Jake Ko

Age: 15 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 Pacific Swimming Palo Alto Stanford Aquatics
Free 50 Y 23.38 15 11/01/2025 A AA: 23.19 (+0.19s | 0.8%) 144 13
Free 100 Y 51.03 15 11/01/2025 A AA: 50.99 (+0.04s | 0.1%) 167 20
Free 200 Y 1:50.30 15 11/01/2025 AA AAA: 1:46.89 (+3.41s | 3.1%) 107 8
Free 500 Y 5:18.54 14 10/04/2024 BB A: 5:15.79 (+2.75s | 0.9%) 206 17
Back 100 Y 57.43 15 10/25/2025 A AA: 55.49 (+1.94s | 3.4%) 102 10
50 Back
27.77
27.77
100 Back
29.66
57.43
100 Back
57.43
Back 200 Y 2:07.01 14 04/03/2025 BB A: 2:06.59 (+0.42s | 0.3%) 101 8
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 100 Y 1:04.83 15 11/01/2025 A AA: 1:03.19 (+1.64s | 2.5%) 131 13
Breast 200 Y 2:19.41 15 10/25/2025 A AA: 2:17.29 (+2.12s | 1.5%) 88 7
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 100 Y 54.28 15 11/01/2025 AA AAA: 52.79 (+1.49s | 2.7%) 81 12
Fly 200 Y 2:03.75 14 04/03/2025 A AA: 2:03.39 (+0.36s | 0.3%) 70 7
50 Fly
27.18
27.18
100 Fly
31.26
58.44
100 Fly
58.44
150 Fly
31.85
1:30.29
200 Fly
33.46
2:03.75
100 Fly
1:05.31
IM 200 Y 2:04.89 14 03/14/2025 A AA: 2:03.99 (+0.90s | 0.7%) 110 8
50 Fly
27.22
27.22
100 Back
32.31
59.53
100 IM
59.53
150 Breast
36.50
1:36.03
200 Free
28.86
2:04.89
100 IM
1:05.36
IM 400 Y 4:26.52 15 10/25/2025 A AA: 4:24.69 (+1.83s | 0.7%) 84 5
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 Pacific Swimming Palo Alto Stanford Aquatics
Free 50 M 26.94 15 07/19/2025 AA AAA: 25.89 (+1.05s | 3.9%) 147 9
Free 100 M 59.93 14 07/12/2024 A AA: 58.99 (+0.94s | 1.6%) 215 17
Free 200 M 2:16.37 14 05/23/2025 BB A: 2:14.29 (+2.08s | 1.5%) 237 19
100 Free
1:05.36
1:05.36
100 Free
1:05.36
200 Free
1:11.01
2:16.37
100 Free
1:11.01
Free 400 M 5:00.69 13 07/15/2023 BB A: 4:46.39 (+14.30s | 4.8%) 222 16
100 Free
1:10.99
1:10.99
100 Free
1:10.99
200 Free
1:15.82
2:26.81
100 Free
1:15.82
300 Free
1:16.57
3:43.38
100 Free
1:16.57
400 Free
1:17.31
5:00.69
100 Free
1:17.31
Back 100 M 1:13.02 13 05/25/2024 BB A: 1:07.99 (+5.03s | 6.9%) 208 15
50 Back
35.45
35.45
100 Back
37.57
1:13.02
100 Back
1:13.02
Breast 100 M 1:18.30 14 06/22/2024 BB A: 1:16.69 (+1.61s | 2.1%) 147 9
Breast 200 M 2:51.96 14 06/22/2024 BB A: 2:46.69 (+5.27s | 3.1%) 129 7
Fly 100 M 1:03.05 15 07/31/2025 AA AAA: 1:00.29 (+2.76s | 4.4%) 79 9
Fly 200 M 2:37.36 15 07/19/2025 BB A: 2:27.19 (+10.17s | 6.5%) 101 10
IM 200 M 2:25.80 15 07/19/2025 A AA: 2:24.69 (+1.11s | 0.8%) 118 6

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.