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Katherine Johnson

Age: 12 years old
Age Category: 11-12
Team: Area Tallahassee Aquatic Club | Florida Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Area Tallahassee Aquatic Club Florida Swimming Southern Zone USA
Free 50 Y 29.53 12 01/30/2026 BB A: 29.29 (+0.24s | 0.8%) 5 158 656 1,000+
Free 100 Y 1:02.17 Analysis 12 07/25/2026 A AA: 1:01.39 (+0.78s | 1.3%) 4 72 282 1,000+
Free 200 Y 2:22.33 Analysis 12 01/30/2026 BB A: 2:19.29 (+3.04s | 2.1%) 4 116 490 1,000+
50 Free
31.94
31.94
100 Free
35.83
1:07.77
100 Free
1:07.77
150 Free
37.80
1:45.57
200 Free
36.76
2:22.33
100 Free
1:14.56
Free 500 Y 6:20.73 Analysis 12 01/30/2026 BB A: 6:14.49 (+6.24s | 1.6%) 6 101 402 1,000+
50 Free
30.11
30.11
100 Free
21.52
51.63
100 Free
51.63
150 Free
20.86
1:12.49
200 Free
39.21
1:51.70
100 Free
1:00.07
250 Free
38.45
2:30.15
300 Free
38.10
3:08.25
100 Free
1:16.55
350 Free
39.10
3:47.35
400 Free
38.01
4:25.36
100 Free
1:17.11
450 Free
38.99
5:04.35
500 Free
1:16.38
6:20.73
100 Free
1:55.37
Back 50 Y 33.77 12 07/25/2026 BB A: 33.19 (+0.58s | 1.7%) 3 89 422 1,000+
Back 100 Y 1:13.09 Analysis 12 07/25/2026 BB A: 1:12.99 (+0.10s | 0.1%) 4 77 393 1,000+
Back 200 Y 2:41.11 Analysis 12 07/25/2025 BB A: 2:33.89 (+7.22s | 4.5%) 3 52 256 1,000+
50 Back
39.44
39.44
100 Back
41.53
1:20.97
100 Back
1:20.97
150 Back
41.59
2:02.56
200 Back
38.55
2:41.11
100 Back
1:20.14
Breast 50 Y 42.89 12 11/01/2025 B BB: 40.89 (+2.00s | 4.7%) 7 277 1,000+ 1,000+
25 Breast
20.19
20.19
50 Breast
22.70
42.89
50 Breast
42.89
Breast 100 Y 1:33.22 Analysis 12 11/01/2025 B BB: 1:29.29 (+3.93s | 4.2%) 6 246 1,000+ 1,000+
25 Breast
21.46
21.46
50 Breast
23.86
45.32
50 Breast
45.32
75 Breast
24.30
1:09.62
100 Breast
23.60
1:33.22
50 Breast
47.90
Fly 50 Y 31.30 12 03/05/2026 A AA: 30.29 (+1.01s | 3.2%) 3 63 286 1,000+
Fly 100 Y 1:05.69 Analysis 12 07/25/2026 AA AAA: 1:05.19 (+0.50s | 0.8%) 2 10 51 318
Fly 200 Y 2:29.12 Analysis 12 07/25/2026 AA AAA: 2:24.09 (+5.03s | 3.4%) 3 10 30 119
IM 100 Y 1:11.81 Analysis 12 07/25/2026 A AA: 1:09.99 (+1.82s | 2.5%) 3 51 253 967
IM 200 Y 2:31.88 Analysis 12 03/05/2026 A AA: 2:30.99 (+0.89s | 0.6%) 2 40 171 766
50 Fly
31.72
31.72
100 Back
40.12
1:11.84
100 IM
1:11.84
150 Breast
46.24
1:58.08
200 Free
33.80
2:31.88
100 IM
1:20.04
IM 400 Y 5:25.68 Analysis 12 01/30/2026 A AA: 5:21.79 (+3.89s | 1.2%) 1 7 78 326
50 Fly
34.35
34.35
100 Fly
39.01
1:13.36
100 Fly
1:13.36
150 Back
42.64
1:56.00
200 Back
42.42
2:38.42
100 Back
1:25.06
250 Breast
47.39
3:25.81
300 Breast
47.30
4:13.11
100 Breast
1:34.69
350 Free
38.10
4:51.21
400 Free
34.47
5:25.68
100 Free
1:12.57

Long course distance

Event Time Age Date Standard Next Standard Area Tallahassee Aquatic Club Florida Swimming Southern Zone USA
Free 50 M 33.80 12 04/11/2026 BB A: 33.19 (+0.61s | 1.8%) 4 187 837 1,000+
Free 100 M 1:15.46 Analysis 12 06/05/2026 BB A: 1:13.39 (+2.07s | 2.7%) 6 193 837 1,000+
50 Free
37.02
37.02
100 Free
38.44
1:15.46
100 Free
1:15.46
Free 200 M 2:38.86 Analysis 12 06/26/2026 A AA: 2:33.09 (+5.77s | 3.6%) 6 122 538 1,000+
Free 400 M 5:35.47 Analysis 12 05/02/2026 A AA: 5:22.79 (+12.68s | 3.8%) 5 112 436 1,000+
Back 50 M 38.66 12 06/26/2026 BB A: 38.39 (+0.27s | 0.7%) 3 95 519 1,000+
Back 100 M 1:22.30 Analysis 12 06/26/2026 A AA: 1:20.79 (+1.51s | 1.8%) 4 73 382 1,000+
Breast 50 M 48.11 12 06/26/2026 B BB: 46.19 (+1.92s | 4.0%) 6 224 984 1,000+
Breast 100 M 1:44.11 Analysis 12 06/26/2026 B BB: 1:42.19 (+1.92s | 1.8%) 5 197 885 1,000+
Fly 50 M 33.18 12 07/09/2026 AA AAA: 32.89 (+0.29s | 0.9%) 3 23 132 362
Fly 100 M 1:10.82 Analysis 12 07/09/2026 AAA AAAA: 1:10.79 (+0.03s | 0.0%) 1 5 17 63
50 Fly
33.78
33.78
100 Fly
37.04
1:10.82
100 Fly
1:10.82
Fly 200 M 2:45.49 Analysis 12 07/09/2026 AAA AAAA: 2:38.29 (+7.20s | 4.4%) 1 5 23 66
50 Fly
37.38
37.38
100 Fly
42.10
1:19.48
100 Fly
1:19.48
150 Fly
44.05
2:03.53
200 Fly
41.96
2:45.49
100 Fly
1:26.01
IM 200 M 2:55.20 Analysis 12 06/26/2026 A AA: 2:52.99 (+2.21s | 1.3%) 4 65 311 853

Above are the fastest times that Katherine Johnson 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.