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Katherine O'Brien

Age: 14 years old
Age Category: 13-14
Team: Long Island Aquatic Club | Metropolitan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Long Island Aquatic Club Metropolitan Swimming Eastern Zone USA
Free 50 Y 27.17 14 02/20/2026 A AA: 26.69 (+0.48s | 1.8%) 16 113 715 1,000+
Free 100 Y 58.66 14 12/11/2025 A AA: 58.29 (+0.37s | 0.6%) 20 108 616 1,000+
50 Free
28.21
28.21
100 Free
30.45
58.66
100 Free
58.66
Free 200 Y 2:08.15 14 02/20/2026 A AA: 2:06.19 (+1.96s | 1.5%) 23 88 548 1,000+
50 Free
28.90
28.90
100 Free
32.35
1:01.25
100 Free
1:01.25
150 Free
33.45
1:34.70
200 Free
33.45
2:08.15
100 Free
1:06.90
Free 500 Y 5:42.77 14 02/20/2026 A AA: 5:38.59 (+4.18s | 1.2%) 22 79 457 1,000+
50 Free
29.53
29.53
100 Free
33.00
1:02.53
100 Free
1:02.53
150 Free
34.41
1:36.94
200 Free
35.32
2:12.26
100 Free
1:09.73
250 Free
35.11
2:47.37
300 Free
35.22
3:22.59
100 Free
1:10.33
350 Free
35.38
3:57.97
400 Free
35.64
4:33.61
100 Free
1:11.02
450 Free
34.96
5:08.57
500 Free
34.20
5:42.77
100 Free
1:09.16
Back 50 Y 31.00 14 10/04/2025 11 43 433 1,000+
Back 100 Y 1:05.77 14 02/20/2026 A AA: 1:03.19 (+2.58s | 3.9%) 13 73 486 1,000+
50 Back
32.03
32.03
100 Back
33.74
1:05.77
100 Back
1:05.77
Back 200 Y 2:22.56 14 02/20/2026 A AA: 2:16.69 (+5.87s | 4.1%) 17 85 479 1,000+
50 Back
33.46
33.46
100 Back
35.96
1:09.42
100 Back
1:09.42
150 Back
36.87
1:46.29
200 Back
36.27
2:22.56
100 Back
1:13.14
Breast 50 Y 40.36 14 12/11/2025 21 134 1,000+ 1,000+
Breast 100 Y 1:25.64 14 12/11/2025 B BB: 1:22.29 (+3.35s | 3.9%) 25 240 1,000+ 1,000+
50 Breast
40.47
40.47
100 Breast
45.17
1:25.64
100 Breast
1:25.64
Fly 50 Y 30.85 14 12/11/2025 13 75 763 1,000+
Fly 100 Y 1:09.64 14 12/11/2025 BB A: 1:05.89 (+3.75s | 5.4%) 23 133 837 1,000+
50 Fly
32.29
32.29
100 Fly
37.34
1:09.64
100 Fly
1:09.64
IM 200 Y 2:30.95 14 12/11/2025 BB A: 2:27.19 (+3.76s | 2.5%) 25 148 889 1,000+
50 Fly
31.65
31.65
100 Back
36.76
1:08.41
100 IM
1:08.41
150 Breast
48.31
1:56.72
200 Free
34.23
2:30.95
100 IM
1:22.54

Long course distance

Event Time Age Date Standard Next Standard Long Island Aquatic Club Metropolitan Swimming Eastern Zone USA

Above are the fastest times that Katherine O'Brien 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.