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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%) Rankings Rankings Rankings Rankings
Free 100 Y 1:02.17 Analysis 12 07/25/2026 A AA: 1:01.39 (+0.78s | 1.3%) Rankings Rankings Rankings Rankings
Free 200 Y 2:16.63 Analysis 12 09/25/2026 A AA: 2:13.49 (+3.14s | 2.3%) Rankings Rankings Rankings Rankings
Free 500 Y 5:59.75 Analysis 12 09/25/2026 A AA: 5:58.89 (+0.86s | 0.2%) Rankings Rankings Rankings Rankings
25 Free
3:19.86
3:19.86
50 Free
18.33
3:38.19
50 Free
3:38.19
75 Free
18.13
3:56.32
100 Free
17.91
4:14.23
50 Free
36.04
125 Free
17.95
4:32.18
150 Free
18.23
4:50.41
50 Free
36.18
175 Free
17.87
5:08.28
200 Free
17.51
5:25.79
50 Free
35.38
225 Free
17.35
5:43.14
250 Free
16.61
5:59.75
50 Free
33.96
Back 50 Y 33.77 12 07/25/2026 BB A: 33.19 (+0.58s | 1.7%) Rankings Rankings Rankings Rankings
Back 100 Y 1:13.09 Analysis 12 07/25/2026 BB A: 1:12.99 (+0.10s | 0.1%) Rankings Rankings Rankings Rankings
Back 200 Y 2:41.11 Analysis 12 07/25/2025 BB A: 2:33.89 (+7.22s | 4.5%) Rankings Rankings Rankings Rankings
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 42.08 12 09/25/2026 B BB: 40.89 (+1.19s | 2.8%) Rankings Rankings Rankings Rankings
25 Breast
19.64
19.64
50 Breast
22.44
42.08
50 Breast
42.08
Breast 100 Y 1:28.07 Analysis 12 09/25/2026 BB A: 1:22.19 (+5.88s | 6.7%) Rankings Rankings Rankings Rankings
25 Breast
19.46
19.46
50 Breast
22.59
42.05
50 Breast
42.05
75 Breast
23.31
1:05.36
100 Breast
22.71
1:28.07
50 Breast
46.02
Fly 50 Y 30.42 12 10/17/2026 A AA: 30.29 (+0.13s | 0.4%) Rankings Rankings Rankings Rankings
Fly 100 Y 1:05.69 Analysis 12 07/25/2026 AA AAA: 1:05.19 (+0.50s | 0.8%) Rankings Rankings Rankings Rankings
Fly 200 Y 2:29.12 Analysis 12 07/25/2026 AA AAA: 2:24.09 (+5.03s | 3.4%) Rankings Rankings Rankings Rankings
IM 100 Y 1:11.81 Analysis 12 07/25/2026 A AA: 1:09.99 (+1.82s | 2.5%) Rankings Rankings Rankings Rankings
IM 200 Y 2:31.34 Analysis 12 09/25/2026 A AA: 2:30.99 (+0.35s | 0.2%) Rankings Rankings Rankings Rankings
50 Back
31.77
31.77
50 IM
31.77
75 Breast
20.06
51.83
100 Free
19.49
1:11.32
50 IM
39.55
125 Free
23.77
1:35.09
150 Free
23.02
1:58.11
50 IM
46.79
175 Free
17.11
2:15.22
200 Free
16.12
2:31.34
50 IM
33.23
IM 400 Y 5:25.68 Analysis 12 01/30/2026 A AA: 5:21.79 (+3.89s | 1.2%) Rankings Rankings Rankings Rankings
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%) Rankings Rankings Rankings Rankings
Free 100 M 1:15.46 Analysis 12 06/05/2026 BB A: 1:13.39 (+2.07s | 2.7%) Rankings Rankings Rankings Rankings
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%) Rankings Rankings Rankings Rankings
Free 400 M 5:35.47 Analysis 12 05/02/2026 A AA: 5:22.79 (+12.68s | 3.8%) Rankings Rankings Rankings Rankings
Back 50 M 38.66 12 06/26/2026 BB A: 38.39 (+0.27s | 0.7%) Rankings Rankings Rankings Rankings
Back 100 M 1:22.30 Analysis 12 06/26/2026 A AA: 1:20.79 (+1.51s | 1.8%) Rankings Rankings Rankings Rankings
Breast 50 M 48.11 12 06/26/2026 B BB: 46.19 (+1.92s | 4.0%) Rankings Rankings Rankings Rankings
Breast 100 M 1:44.11 Analysis 12 06/26/2026 B BB: 1:42.19 (+1.92s | 1.8%) Rankings Rankings Rankings Rankings
Fly 50 M 33.18 12 07/09/2026 AA AAA: 32.89 (+0.29s | 0.9%) Rankings Rankings Rankings Rankings
Fly 100 M 1:10.82 Analysis 12 07/09/2026 AAA AAAA: 1:10.79 (+0.03s | 0.0%) Rankings Rankings Rankings Rankings
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%) Rankings Rankings Rankings Rankings
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%) Rankings Rankings Rankings Rankings

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.