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Katherine Porter

Age: 17 years old
Age Category: 17-18
Team: Commonwealth Swimming | New England Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Commonwealth Swimming New England Swimming Eastern Zone USA
Free 50 Y 24.35 17 12/18/2025 AAA AAAA: 23.49 (+0.86s | 3.5%) 4 16 111 618
Free 100 Y 53.19 Analysis 17 02/26/2026 AAA AAAA: 51.09 (+2.10s | 3.9%) 6 23 155 758
50 Free
25.45
25.45
100 Free
27.74
53.19
100 Free
53.19
Free 200 Y 1:56.23 Analysis 17 12/18/2025 AA AAA: 1:55.69 (+0.54s | 0.5%) 11 35 226 885
50 Free
27.68
27.68
100 Free
29.39
57.07
100 Free
57.07
150 Free
29.27
1:26.34
200 Free
29.89
1:56.23
100 Free
59.16
Free 500 Y 5:24.90 Analysis 17 11/15/2025 AA AAA: 5:11.59 (+13.31s | 4.1%) 8 48 338 1,000+
50 Free
29.20
29.20
100 Free
32.50
1:01.70
100 Free
1:01.70
150 Free
33.15
1:34.85
200 Free
33.46
2:08.31
100 Free
1:06.61
250 Free
32.99
2:41.30
300 Free
33.78
3:15.08
100 Free
1:06.77
350 Free
32.41
3:47.49
400 Free
33.10
4:20.59
100 Free
1:05.51
450 Free
32.12
4:52.71
500 Free
32.19
5:24.90
100 Free
1:04.31
Back 50 Y 32.53 17 01/09/2026 B BB: 32.19 (+0.34s | 1.0%) 24 134 657 1,000+
Back 100 Y 1:08.84 Analysis 17 10/04/2025 B BB: 1:08.09 (+0.75s | 1.1%) 26 173 910 1,000+
50 Back
33.44
33.44
100 Back
35.40
1:08.84
100 Back
1:08.84
Back 200 Y 2:30.78 Analysis 17 01/09/2026 B BB: 2:27.39 (+3.39s | 2.2%) 22 140 780 1,000+
50 Back
36.39
36.39
100 Back
38.84
1:15.23
100 Back
1:15.23
150 Back
38.44
1:53.67
200 Back
37.11
2:30.78
100 Back
1:15.55
Breast 50 Y 32.21 17 11/15/2025 AA AAA: 31.69 (+0.52s | 1.6%) 5 27 136 476
Breast 100 Y 1:10.88 Analysis 17 02/26/2026 A AA: 1:09.69 (+1.19s | 1.7%) 9 46 314 1,000+
50 Breast
33.33
33.33
100 Breast
37.55
1:10.88
100 Breast
1:10.88
Fly 50 Y 28.10 17 11/15/2025 AA AAA: 27.09 (+1.01s | 3.6%) 11 57 304 1,000+
Fly 100 Y 1:09.00 Analysis 17 10/04/2025 B BB: 1:08.29 (+0.71s | 1.0%) 26 165 934 1,000+
50 Fly
31.55
31.55
100 Fly
37.45
1:09.00
100 Fly
1:09.00
Fly 200 Y 2:37.74 Analysis 17 11/15/2025 B BB: 2:31.19 (+6.55s | 4.2%) 14 101 545 1,000+
50 Fly
34.23
34.23
100 Fly
39.77
1:14.00
100 Fly
1:14.00
150 Fly
41.78
1:55.78
200 Fly
41.96
2:37.74
100 Fly
1:23.74
IM 200 Y 2:24.86 Analysis 17 10/25/2025 BB A: 2:20.19 (+4.67s | 3.2%) 18 117 715 1,000+
50 Fly
31.45
31.45
100 Back
38.34
1:09.79
100 IM
1:09.79
150 Breast
41.87
1:51.66
200 Free
33.20
2:24.86
100 IM
1:15.07

Long course distance

Event Time Age Date Standard Next Standard Commonwealth Swimming New England Swimming Eastern Zone USA
Free 50 M 28.40 17 07/23/2026 AA AAA: 28.19 (+0.21s | 0.7%) 3 23 126 768
Free 100 M 1:03.08 Analysis 17 07/09/2026 AA AAA: 1:01.09 (+1.99s | 3.2%) 13 43 234 1,000+
50 Free
30.19
30.19
100 Free
32.89
1:03.08
100 Free
1:03.08
Free 200 M 2:15.37 Analysis 17 07/23/2026 AA AAA: 2:11.69 (+3.68s | 2.7%) 10 30 156 893
Free 400 M 5:05.03 Analysis 17 06/12/2026 BB A: 5:02.99 (+2.04s | 0.7%) 10 51 272 1,000+
50 Free
32.65
32.65
100 Free
37.88
1:10.53
100 Free
1:10.53
150 Free
39.25
1:49.78
200 Free
40.10
2:29.88
100 Free
1:19.35
250 Free
39.58
3:09.46
300 Free
38.54
3:48.00
100 Free
1:18.12
350 Free
39.15
4:27.15
400 Free
37.88
5:05.03
100 Free
1:17.03
Back 50 M 38.13 17 05/16/2026 B BB: 38.09 (+0.04s | 0.1%) 20 82 327 1,000+
Back 100 M 1:23.12 Analysis 17 04/11/2026 B BB: 1:19.79 (+3.33s | 4.0%) 21 111 522 1,000+
50 Back
40.09
40.09
100 Back
43.03
1:23.12
100 Back
1:23.12
Breast 50 M 37.95 17 07/09/2026 A AA: 37.49 (+0.46s | 1.2%) 5 25 105 615
Breast 100 M 1:26.71 Analysis 17 07/23/2026 BB A: 1:23.59 (+3.12s | 3.6%) 7 44 251 1,000+
50 Breast
40.02
40.02
100 Breast
46.69
1:26.71
100 Breast
1:26.71
Fly 50 M 33.20 17 05/01/2026 BB A: 32.89 (+0.31s | 0.9%) 18 73 284 1,000+
Fly 100 M 1:25.22 Analysis 17 04/11/2026 B: 1:23.59 (+1.63s | 1.9%) 19 114 512 1,000+
50 Fly
39.33
39.33
100 Fly
45.89
1:25.22
100 Fly
1:25.22
IM 200 M 2:51.96 Analysis 17 05/01/2026 BB A: 2:42.29 (+9.67s | 5.6%) 14 84 450 1,000+
50 Fly
35.05
35.05
100 Back
48.19
1:23.24
100 IM
1:23.24
150 Breast
49.94
2:13.18
200 Free
38.78
2:51.96
100 IM
1:28.72
IM 400 M 6:18.58 Analysis 17 04/11/2026 B BB: 6:11.69 (+6.89s | 1.8%) 5 48 295 1,000+
50 Fly
40.25
40.25
100 Fly
48.50
1:28.75
100 Fly
1:28.75
150 Back
51.80
2:20.55
200 Back
51.42
3:11.97
100 Back
1:43.22
250 Breast
52.04
4:04.01
300 Breast
53.10
4:57.11
100 Breast
1:45.14
350 Free
40.51
5:37.62
400 Free
40.96
6:18.58
100 Free
1:21.47

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