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Matthew Ko

Age: 10 years old
Age Category: 10 & under
Team: Aspire Aquatics of Colorado | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Aspire Aquatics of Colorado Colorado Swimming Western Zone USA
Free 25 Y 17.17 10 01/05/2025 2 43 236 858
Free 50 Y 32.03 10 02/27/2026 BB A: 31.09 (+0.94s | 2.9%) 3 25 341 1,000+
Free 100 Y 1:11.41 Analysis 10 01/16/2026 BB A: 1:09.79 (+1.62s | 2.3%) 2 21 309 1,000+
50 Free
33.91
33.91
100 Free
37.50
1:11.41
100 Free
1:11.41
Free 200 Y 2:37.34 Analysis 10 01/16/2026 BB A: 2:31.59 (+5.75s | 3.7%) 1 17 226 994
50 Free
34.62
34.62
100 Free
42.56
1:17.18
100 Free
1:17.18
150 Free
41.26
1:58.44
200 Free
38.90
2:37.34
100 Free
1:20.16
Free 500 Y 7:20.11 Analysis 10 01/16/2026 BB A: 6:43.39 (+36.72s | 8.3%) 1 8 179 912
50 Free
36.94
36.94
100 Free
44.47
1:21.41
100 Free
1:21.41
150 Free
44.33
2:05.74
200 Free
45.46
2:51.20
100 Free
1:29.79
250 Free
47.07
3:38.27
300 Free
43.41
4:21.68
100 Free
1:30.48
350 Free
45.69
5:07.37
400 Free
46.43
5:53.80
100 Free
1:32.12
450 Free
45.19
6:38.99
500 Free
41.12
7:20.11
100 Free
1:26.31
Back 25 Y 20.16 10 11/23/2024 1 23 127 433
Back 50 Y 41.60 10 03/07/2025 BB A: 37.59 (+4.01s | 9.6%) 4 70 591 1,000+
Back 100 Y 1:34.45 Analysis 10 03/07/2025 B BB: 1:30.09 (+4.36s | 4.6%) 3 85 648 1,000+
Breast 25 Y 22.31 10 11/23/2024 2 17 95 282
Breast 50 Y 40.54 10 02/27/2026 A AA: 40.19 (+0.35s | 0.9%) 1 4 90 311
Breast 100 Y 1:31.47 Analysis 10 01/16/2026 BB A: 1:30.59 (+0.88s | 1.0%) 1 12 188 775
50 Breast
42.51
42.51
100 Breast
48.96
1:31.47
100 Breast
1:31.47
Fly 25 Y 21.23 10 11/23/2024 4 47 295 1,000+
Fly 50 Y 37.51 10 01/04/2026 BB A: 35.99 (+1.52s | 4.1%) 3 28 274 976
IM 100 Y 1:24.33 Analysis 10 02/27/2026 BB A: 1:19.69 (+4.64s | 5.5%) 2 19 281 1,000+
50 IM
41.99
41.99
100 IM
42.34
1:24.33
100 IM
1:24.33
IM 200 Y 2:56.21 Analysis 10 02/27/2026 BB A: 2:53.49 (+2.72s | 1.5%) 1 14 204 826
50 Fly
42.18
42.18
100 Back
46.88
1:29.06
100 IM
1:29.06
150 Breast
48.75
2:17.81
200 Free
38.40
2:56.21
100 IM
1:27.15

Long course distance

Event Time Age Date Standard Next Standard Aspire Aquatics of Colorado Colorado Swimming Western Zone USA
Free 50 M 36.87 10 04/24/2026 BB A: 35.69 (+1.18s | 3.2%) 3 18 196 537
Free 100 M 1:20.31 Analysis 10 05/15/2026 BB A: 1:20.19 (+0.12s | 0.1%) 1 8 131 351
Free 200 M 2:57.92 Analysis 10 04/24/2026 BB A: 2:53.39 (+4.53s | 2.5%) 2 7 123 356
50 Free
39.52
39.52
100 Free
47.92
1:27.44
100 Free
1:27.44
150 Free
46.08
2:13.52
200 Free
44.40
2:57.92
100 Free
1:30.48
Free 400 M 6:18.38 Analysis 10 05/15/2026 BB A: 6:06.59 (+11.79s | 3.1%) 1 4 58 195
50 Free
41.47
41.47
100 Free
48.20
1:29.67
100 Free
1:29.67
150 Free
48.94
2:18.61
200 Free
48.18
3:06.79
100 Free
1:37.12
250 Free
48.97
3:55.76
300 Free
49.78
4:45.54
100 Free
1:38.75
350 Free
47.98
5:33.52
400 Free
44.86
6:18.38
100 Free
1:32.84
Back 50 M 44.31 10 04/24/2026 BB A: 43.09 (+1.22s | 2.8%) 2 16 197 533
Back 100 M 1:42.56 Analysis 10 05/15/2026 BB A: 1:32.29 (+10.27s | 10.0%) 3 38 327 859
Back 200 M 3:40.95 Analysis 10 06/27/2025 1 4 11 53
50 Back
53.05
53.05
100 Back
57.96
1:51.01
100 Back
1:51.01
150 Back
55.72
2:46.73
200 Back
54.22
3:40.95
100 Back
1:49.94
Breast 50 M 46.83 10 04/24/2026 A AA: 45.79 (+1.04s | 2.2%) 1 5 55 141
Breast 100 M 1:40.22 Analysis 10 04/24/2026 AA AAA: 1:36.29 (+3.93s | 3.9%) 1 2 41 102
50 Breast
46.21
46.21
100 Breast
54.01
1:40.22
100 Breast
1:40.22
Breast 200 M 3:40.71 Analysis 10 04/24/2026 1 3 7 23
50 Breast
48.05
48.05
100 Breast
59.47
1:47.52
100 Breast
1:47.52
150 Breast
56.94
2:44.46
200 Breast
56.25
3:40.71
100 Breast
1:53.19
Fly 50 M 46.22 10 04/24/2026 BB A: 40.59 (+5.63s | 12.2%) 4 30 319 774
Fly 100 M 2:20.80 Analysis 10 05/16/2025 B: 2:09.49 (+11.31s | 8.0%) 4 38 335 821
IM 200 M 3:30.98 Analysis 10 05/15/2026 BB A: 3:17.89 (+13.09s | 6.2%) 3 22 202 498

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.