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Charlotte O'Brien

Age: 12 years old
Age Category: 11-12
Team: Loyola Blakefield Aquatics | Maryland Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Loyola Blakefield Aquatics Maryland Swimming Eastern Zone USA
Free 50 Y 30.66 12 03/13/2026 BB A: 29.29 (+1.37s | 4.5%) 8 145 1,000+ 1,000+
Free 100 Y 1:08.88 Analysis 12 03/13/2026 BB A: 1:03.99 (+4.89s | 7.1%) 7 152 1,000+ 1,000+
50 Free
33.37
33.37
100 Free
35.51
1:08.88
100 Free
1:08.88
Free 500 Y 7:07.29 Analysis 12 10/03/2025 B BB: 6:45.69 (+21.60s | 5.1%) 5 115 1,000+ 1,000+
50 Free
35.02
35.02
100 Free
42.07
1:17.09
100 Free
1:17.09
150 Free
43.78
2:00.87
200 Free
44.75
2:45.62
100 Free
1:28.53
250 Free
44.09
3:29.71
300 Free
45.11
4:14.82
100 Free
1:29.20
350 Free
45.63
5:00.45
400 Free
45.10
5:45.55
100 Free
1:30.73
450 Free
43.53
6:29.08
500 Free
38.21
7:07.29
100 Free
1:21.74
Back 50 Y 36.58 12 03/13/2026 B BB: 35.99 (+0.59s | 1.6%) 5 142 1,000+ 1,000+
Back 100 Y 1:15.18 Analysis 12 03/13/2026 BB A: 1:12.99 (+2.19s | 2.9%) 4 81 781 1,000+
50 Back
37.06
37.06
100 Back
38.12
1:15.18
100 Back
1:15.18
Back 200 Y 2:45.22 Analysis 12 03/13/2026 BB A: 2:33.89 (+11.33s | 6.9%) 4 90 636 1,000+
50 Back
38.97
38.97
100 Back
42.21
1:21.18
100 Back
1:21.18
150 Back
42.92
2:04.10
200 Back
41.12
2:45.22
100 Back
1:24.04
Breast 50 Y 39.58 12 03/13/2026 BB A: 37.69 (+1.89s | 4.8%) 3 79 748 1,000+
Breast 100 Y 1:29.49 Analysis 12 03/13/2026 B BB: 1:29.29 (+0.20s | 0.2%) 5 87 1,000+ 1,000+
50 Breast
42.75
42.75
100 Breast
46.74
1:29.49
100 Breast
1:29.49
Fly 50 Y 37.51 12 12/04/2025 B: 36.89 (+0.62s | 1.7%) 6 177 1,000+ 1,000+
Fly 100 Y 1:29.91 Analysis 12 10/03/2025 B: 1:25.79 (+4.12s | 4.6%) 5 124 1,000+ 1,000+
50 Fly
39.15
39.15
100 Fly
50.76
1:29.91
100 Fly
1:29.91
IM 100 Y 1:22.21 Analysis 12 12/04/2025 B BB: 1:19.09 (+3.12s | 3.8%) 8 180 1,000+ 1,000+
50 IM
38.15
38.15
50 IM
38.15
100 IM
44.06
1:22.21
50 IM
44.06
IM 200 Y 2:59.08 Analysis 12 10/03/2025 B BB: 2:50.69 (+8.39s | 4.7%) 7 132 1,000+ 1,000+
50 Fly
38.73
38.73
100 Back
47.27
1:26.00
100 IM
1:26.00
150 Breast
51.41
2:17.41
200 Free
41.67
2:59.08
100 IM
1:33.08

Long course distance

Event Time Age Date Standard Next Standard Loyola Blakefield Aquatics Maryland Swimming Eastern Zone USA

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