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John Casto

Age: 12 years old
Age Category: 11-12
Team: Byron Center Aquatics | Michigan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Byron Center Aquatics Michigan Swimming Central Zone USA
Free 50 Y 27.67 12 01/17/2026 A AA: 26.99 (+0.68s | 2.5%) 4 85 219 1,000+
Free 100 Y 1:01.86 Analysis 12 12/05/2025 BB A: 1:01.29 (+0.57s | 0.9%) 7 94 259 1,000+
50 Free
29.88
29.88
100 Free
31.98
1:01.86
100 Free
1:01.86
Free 200 Y 2:12.72 Analysis 12 03/07/2026 A AA: 2:08.19 (+4.53s | 3.4%) 3 52 139 1,000+
50 Free
30.47
30.47
100 Free
33.71
1:04.18
100 Free
1:04.18
150 Free
35.83
1:40.01
200 Free
32.71
2:12.72
100 Free
1:08.54
Free 500 Y 5:52.54 Analysis 12 03/07/2026 A AA: 5:44.99 (+7.55s | 2.1%) 3 33 85 884
50 Free
30.64
30.64
100 Free
34.57
1:05.21
100 Free
1:05.21
150 Free
36.15
1:41.36
200 Free
35.47
2:16.83
100 Free
1:11.62
250 Free
35.52
2:52.35
300 Free
36.17
3:28.52
100 Free
1:11.69
350 Free
36.69
4:05.21
400 Free
36.86
4:42.07
100 Free
1:13.55
450 Free
36.17
5:18.24
500 Free
34.30
5:52.54
100 Free
1:10.47
Free 1000 Y 12:34.82 Analysis 12 01/17/2026 A AA: 12:05.79 (+29.03s | 3.8%) 2 22 60 319
50 Free
33.12
33.12
100 Free
37.77
1:10.89
100 Free
1:10.89
150 Free
39.05
1:49.94
200 Free
37.05
2:26.99
100 Free
1:16.10
250 Free
38.07
3:05.06
300 Free
38.13
3:43.19
100 Free
1:16.20
350 Free
37.92
4:21.11
400 Free
38.67
4:59.78
100 Free
1:16.59
450 Free
38.16
5:37.94
500 Free
38.73
6:16.67
100 Free
1:16.89
550 Free
38.14
6:54.81
600 Free
37.94
7:32.75
100 Free
1:16.08
650 Free
39.31
8:12.06
700 Free
38.01
8:50.07
100 Free
1:17.32
750 Free
39.19
9:29.26
800 Free
38.11
10:07.37
100 Free
1:17.30
850 Free
37.82
10:45.19
900 Free
38.12
11:23.31
100 Free
1:15.94
950 Free
36.26
11:59.57
1000 Free
35.25
12:34.82
100 Free
1:11.51
Back 50 Y 31.66 12 03/07/2026 A AA: 31.19 (+0.47s | 1.5%) 3 43 120 953
Back 100 Y 1:10.19 Analysis 12 03/07/2026 BB A: 1:09.29 (+0.90s | 1.3%) 5 62 168 1,000+
50 Back
34.29
34.29
100 Back
35.90
1:10.19
100 Back
1:10.19
Back 200 Y 2:32.62 Analysis 12 03/07/2026 BB A: 2:28.19 (+4.43s | 2.9%) 3 32 95 801
50 Back
35.89
35.89
100 Back
39.40
1:15.29
100 Back
1:15.29
150 Back
39.99
1:55.28
200 Back
37.33
2:32.61
100 Back
1:17.32
Breast 50 Y 33.58 12 12/13/2025 AA AAA: 33.29 (+0.29s | 0.9%) 2 10 29 259
Breast 100 Y 1:12.87 Analysis 12 03/20/2026 AA AAA: 1:11.39 (+1.48s | 2.0%) 2 21 42 473
50 Breast
33.94
33.94
100 Breast
38.93
1:12.87
100 Breast
1:12.87
Breast 200 Y 2:36.55 Analysis 12 03/20/2026 AA AAA: 2:34.39 (+2.16s | 1.4%) 2 6 14 139
50 Breast
34.98
34.98
100 Breast
39.83
1:14.81
100 Breast
1:14.81
150 Breast
41.36
1:56.17
200 Breast
40.38
2:36.55
100 Breast
1:21.74
Fly 50 Y 33.65 12 01/17/2026 BB A: 31.19 (+2.46s | 7.3%) 7 116 351 1,000+
IM 100 Y 1:07.81 Analysis 12 03/20/2026 A AA: 1:06.99 (+0.82s | 1.2%) 3 19 65 586
50 IM
31.67
31.67
100 IM
36.14
1:07.81
100 IM
1:07.81
IM 200 Y 2:34.26 Analysis 12 01/17/2026 BB A: 2:32.29 (+1.97s | 1.3%) 4 56 143 1,000+
50 Fly
36.36
36.36
100 Back
40.06
1:16.42
100 IM
1:16.42
150 Breast
44.24
2:00.66
200 Free
33.60
2:34.26
100 IM
1:17.84

Long course distance

Event Time Age Date Standard Next Standard Byron Center Aquatics Michigan Swimming Central Zone USA
Free 50 M 33.83 12 08/08/2024 BB A: 32.09 (+1.74s | 5.1%) 1 5 118 844
Free 100 M 1:16.64 Analysis 12 08/08/2024 B BB: 1:16.19 (+0.45s | 0.6%) 1 5 138 985
50 Free
36.26
36.26
100 Free
40.38
1:16.64
100 Free
1:16.64
Breast 100 M 1:35.68 Analysis 12 08/08/2024 BB A: 1:31.29 (+4.39s | 4.6%) 1 1 35 374
50 Breast
44.86
44.86
100 Breast
50.82
1:35.68
100 Breast
1:35.68
IM 200 M 3:10.89 Analysis 12 08/08/2024 B BB: 3:08.99 (+1.90s | 1.0%) 1 2 93 793
50 Fly
42.71
42.71
100 Back
48.62
1:31.33
100 IM
1:31.33
150 Breast
54.94
2:26.27
200 Free
44.62
3:10.89
100 IM
1:39.56

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