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Matthew Ko

Age: 18 years old
Age Category: 17-18
Team: Irvine Novaquatics | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Irvine Novaquatics Southern California Swimming Western Zone USA
Free 50 Y 21.90 18 11/07/2024 AA AAA: 21.69 (+0.21s | 1.0%) 16 72 332 1,000+
Free 100 Y 47.66 Analysis 18 12/19/2024 AA AAA: 47.39 (+0.27s | 0.6%) 17 79 314 1,000+
50 Free
22.90
22.90
100 Free
24.76
47.66
100 Free
47.66
Free 200 Y 1:48.70 Analysis 18 12/09/2022 AA AAA: 1:44.99 (+3.71s | 3.4%) 31 165 641 1,000+
50 Free
25.54
25.54
100 Free
27.68
53.22
100 Free
53.22
150 Free
28.10
1:21.32
200 Free
27.38
1:48.70
100 Free
55.48
Free 1000 Y 9:42.52 Analysis 18 03/02/2023 AAA AAAA: 9:30.19 (+12.33s | 2.1%) 6 32 105 283
50 Free
25.96
25.96
100 Free
28.43
54.39
100 Free
54.39
150 Free
28.99
1:23.38
200 Free
28.98
1:52.36
100 Free
57.97
250 Free
29.06
2:21.42
300 Free
29.24
2:50.66
100 Free
58.30
350 Free
29.46
3:20.12
400 Free
29.70
3:49.82
100 Free
59.16
450 Free
29.51
4:19.33
500 Free
29.54
4:48.87
100 Free
59.05
550 Free
29.66
5:18.53
600 Free
29.81
5:48.34
100 Free
59.47
650 Free
29.56
6:17.90
700 Free
29.81
6:47.71
100 Free
59.37
750 Free
29.48
7:17.19
800 Free
29.41
7:46.60
100 Free
58.89
850 Free
29.22
8:15.82
900 Free
29.53
8:45.35
100 Free
58.75
950 Free
29.43
9:14.78
1000 Free
27.74
9:42.52
100 Free
57.17
Free 1650 Y 16:18.06 Analysis 18 12/16/2022 AAA AAAA: 15:51.79 (+26.27s | 2.7%) 8 35 92 237
50 Free
26.50
26.50
100 Free
29.06
55.56
100 Free
55.56
150 Free
29.67
1:25.23
200 Free
29.50
1:54.73
100 Free
59.17
250 Free
29.77
2:24.50
300 Free
29.74
2:54.24
100 Free
59.51
350 Free
29.69
3:23.93
400 Free
29.90
3:53.83
100 Free
59.59
450 Free
29.46
4:23.29
500 Free
29.85
4:53.14
100 Free
59.31
550 Free
29.73
5:22.87
600 Free
29.27
5:52.14
100 Free
59.00
650 Free
29.73
6:21.87
700 Free
30.03
6:51.90
100 Free
59.76
750 Free
29.77
7:21.67
800 Free
29.84
7:51.51
100 Free
59.61
850 Free
29.98
8:21.49
900 Free
29.94
8:51.43
100 Free
59.92
950 Free
29.93
9:21.36
1000 Free
29.48
9:50.84
100 Free
59.41
1050 Free
29.69
10:20.53
1100 Free
29.82
10:50.35
100 Free
59.51
1150 Free
30.07
11:20.42
1200 Free
30.11
11:50.53
100 Free
1:00.18
1250 Free
29.86
12:20.39
1300 Free
29.98
12:50.37
100 Free
59.84
1350 Free
29.99
13:20.36
1400 Free
29.91
13:50.27
100 Free
59.90
1450 Free
30.47
14:20.74
1500 Free
29.88
14:50.62
100 Free
1:00.35
1550 Free
29.99
15:20.61
1600 Free
29.36
15:49.97
100 Free
59.35
1650 Free
28.09
16:18.06
Back 50 Y 24.04 18 01/16/2026 9 23 98 285
Back 100 Y 54.43 Analysis 18 01/14/2023 A AA: 53.59 (+0.84s | 1.5%) 17 82 376 1,000+
50 Back
26.35
26.35
100 Back
28.08
54.43
100 Back
54.43
Back 200 Y 1:51.29 Analysis 18 01/16/2026 AAA AAAA: 1:47.89 (+3.40s | 3.1%) 9 23 79 256
50 Back
26.06
26.06
100 Back
28.24
54.30
100 Back
54.30
150 Back
28.52
1:22.82
200 Back
28.47
1:51.29
100 Back
56.99
Breast 50 Y 33.82 18 04/04/2019 17 134 857 1,000+
Breast 100 Y 56.70 Analysis 18 12/10/2025 AAA AAAA: 55.99 (+0.71s | 1.3%) 5 22 85 222
50 Breast
26.49
26.49
100 Breast
30.21
56.70
100 Breast
56.70
Breast 200 Y 2:03.34 Analysis 18 12/10/2025 AAA AAAA: 2:01.69 (+1.65s | 1.3%) 4 14 58 168
50 Breast
27.99
27.99
100 Breast
31.02
59.01
100 Breast
59.01
150 Breast
32.06
1:31.07
200 Breast
32.27
2:03.34
100 Breast
1:04.33
Fly 100 Y 51.99 Analysis 18 12/06/2023 AA AAA: 51.39 (+0.60s | 1.2%) 17 68 289 893
50 Fly
24.17
24.17
100 Fly
27.82
51.99
100 Fly
51.99
Fly 200 Y 1:53.95 Analysis 18 12/19/2024 AAA AAAA: 1:49.79 (+4.16s | 3.7%) 10 36 124 383
50 Fly
24.56
24.56
100 Fly
28.43
52.99
100 Fly
52.99
150 Fly
29.86
1:22.85
200 Fly
31.10
1:53.95
100 Fly
1:00.96
IM 200 Y 1:51.38 Analysis 18 11/06/2025 AAA AAAA: 1:50.59 (+0.79s | 0.7%) 5 14 63 185
100 Back
52.65
52.65
100 IM
52.65
150 Breast
32.04
1:24.69
200 Free
26.69
1:51.38
100 IM
58.73
IM 400 Y 3:59.53 Analysis 18 11/06/2025 AAA AAAA: 3:57.99 (+1.54s | 0.6%) 5 17 54 168
50 Fly
24.60
24.60
100 Fly
29.15
53.75
100 Fly
53.75
150 Back
31.94
1:25.69
200 Back
31.47
1:57.16
100 Back
1:03.41
250 Breast
32.91
2:30.07
300 Breast
33.55
3:03.62
100 Breast
1:06.46
350 Free
28.42
3:32.04
400 Free
27.48
3:59.53
100 Free
55.91

Long course distance

Event Time Age Date Standard Next Standard Irvine Novaquatics Southern California Swimming Western Zone USA
Free 50 M 26.58 18 01/11/2024 A AA: 26.19 (+0.39s | 1.5%) 33 225 734 1,000+
Free 100 M 58.64 Analysis 18 07/07/2022 A AA: 57.39 (+1.25s | 2.1%) 41 284 883 1,000+
50 Free
28.04
28.04
100 Free
30.60
58.64
100 Free
58.64
Free 200 M 2:00.21 Analysis 18 06/16/2023 AA AAA: 2:00.09 (+0.12s | 0.1%) 21 75 184 437
50 Free
28.85
28.85
100 Free
30.55
59.40
100 Free
59.40
150 Free
30.91
1:30.31
200 Free
29.90
2:00.21
100 Free
1:00.81
Free 400 M 4:18.40 Analysis 18 07/07/2022 AA AAA: 4:16.49 (+1.91s | 0.7%) 14 64 155 348
50 Free
29.77
29.77
100 Free
32.19
1:01.96
100 Free
1:01.96
150 Free
33.20
1:35.16
200 Free
33.34
2:08.50
100 Free
1:06.54
250 Free
33.57
2:42.07
300 Free
32.98
3:15.05
100 Free
1:06.55
350 Free
32.53
3:47.58
400 Free
30.82
4:18.40
100 Free
1:03.35
Free 800 M 8:56.08 Analysis 18 01/14/2023 AA AAA: 8:52.69 (+3.39s | 0.6%) 13 45 102 233
50 Free
29.79
29.79
100 Free
32.64
1:02.43
100 Free
1:02.43
150 Free
33.45
1:35.88
200 Free
33.87
2:09.75
100 Free
1:07.32
250 Free
33.86
2:43.61
300 Free
34.25
3:17.86
100 Free
1:08.11
350 Free
34.18
3:52.04
400 Free
34.34
4:26.38
100 Free
1:08.52
450 Free
34.50
5:00.88
500 Free
33.80
5:34.68
100 Free
1:08.30
550 Free
34.07
6:08.75
600 Free
34.10
6:42.85
100 Free
1:08.17
650 Free
34.03
7:16.88
700 Free
34.01
7:50.89
100 Free
1:08.04
750 Free
33.45
8:24.34
800 Free
31.74
8:56.08
100 Free
1:05.19
Free 1500 M 17:01.08 Analysis 18 07/06/2023 AAA AAAA: 16:19.39 (+41.69s | 4.1%) 9 29 76 155
50 Free
30.47
30.47
100 Free
33.12
1:03.59
100 Free
1:03.59
150 Free
33.55
1:37.14
200 Free
33.56
2:10.70
100 Free
1:07.11
250 Free
33.89
2:44.59
300 Free
33.89
3:18.48
100 Free
1:07.78
350 Free
34.12
3:52.60
400 Free
34.37
4:26.97
100 Free
1:08.49
450 Free
34.45
5:01.42
500 Free
34.18
5:35.60
100 Free
1:08.63
550 Free
34.33
6:09.93
600 Free
34.38
6:44.31
100 Free
1:08.71
650 Free
34.32
7:18.63
700 Free
34.49
7:53.12
100 Free
1:08.81
750 Free
34.34
8:27.46
800 Free
34.81
9:02.27
100 Free
1:09.15
850 Free
34.58
9:36.85
900 Free
34.67
10:11.52
100 Free
1:09.25
950 Free
34.71
10:46.23
1000 Free
35.02
11:21.25
100 Free
1:09.73
1050 Free
34.59
11:55.84
1100 Free
34.58
12:30.42
100 Free
1:09.17
1150 Free
34.64
13:05.06
1200 Free
34.53
13:39.59
100 Free
1:09.17
1250 Free
34.08
14:13.67
1300 Free
34.01
14:47.68
100 Free
1:08.09
1350 Free
33.86
15:21.54
1400 Free
33.66
15:55.20
100 Free
1:07.52
1450 Free
33.87
16:29.07
1500 Free
32.01
17:01.08
100 Free
1:05.88
Back 50 M 28.46 18 01/16/2026 3 18 75 169
Back 100 M 1:00.85 Analysis 18 06/12/2025 AAA AAAA: 58.19 (+2.66s | 4.4%) 10 30 93 240
50 Back
29.81
29.81
100 Back
31.04
1:00.85
100 Back
1:00.85
Back 200 M 2:11.26 Analysis 18 01/16/2026 AAA AAAA: 2:06.89 (+4.37s | 3.3%) 8 18 49 142
50 Back
30.80
30.80
100 Back
33.16
1:03.96
100 Back
1:03.96
150 Back
34.05
1:38.01
200 Back
33.25
2:11.26
100 Back
1:07.30
Breast 100 M 1:06.73 Analysis 18 11/17/2023 AAA AAAA: 1:05.09 (+1.64s | 2.5%) 6 19 62 136
50 Breast
31.29
31.29
100 Breast
35.44
1:06.73
100 Breast
1:06.73
Breast 200 M 2:23.76 Analysis 18 07/11/2025 AAA AAAA: 2:21.89 (+1.87s | 1.3%) 4 13 35 79
50 Breast
32.13
32.13
100 Breast
36.03
1:08.16
100 Breast
1:08.16
150 Breast
37.58
1:45.74
200 Breast
38.02
2:23.76
100 Breast
1:15.60
Fly 100 M 58.79 Analysis 18 07/11/2025 AA AAA: 58.69 (+0.10s | 0.2%) 14 59 138 301
Fly 200 M 1:55.24 Analysis 18 11/17/2023 AAAA 1 2 2 10
50 Fly
25.17
25.17
100 Fly
29.15
54.32
100 Fly
54.32
150 Fly
30.44
1:24.76
200 Fly
30.48
1:55.24
100 Fly
1:00.92
IM 200 M 2:09.83 Analysis 18 06/12/2025 AAA AAAA: 2:08.99 (+0.84s | 0.6%) 5 14 31 95
50 Fly
27.50
27.50
100 Back
34.39
1:01.89
100 IM
1:01.89
150 Breast
36.85
1:38.74
200 Free
31.09
2:09.83
100 IM
1:07.94
IM 400 M 4:37.05 Analysis 18 06/12/2025 AAA AAAA: 4:35.69 (+1.36s | 0.5%) 8 17 25 72
50 Fly
27.91
27.91
100 Fly
32.63
1:00.54
100 Fly
1:00.54
150 Back
38.26
1:38.80
200 Back
36.84
2:15.64
100 Back
1:15.10
250 Breast
37.69
2:53.33
300 Breast
39.34
3:32.67
100 Breast
1:17.03
350 Free
32.92
4:05.59
400 Free
31.46
4:37.05
100 Free
1:04.38

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