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Greyson Calliham

Age: 12 years old
Age Category: 11-12
Team: Loveland Swim Club | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Loveland Swim Club Colorado Swimming Western Zone USA
Free 50 Y 31.12 12 03/06/2026 B BB: 30.49 (+0.63s | 2.0%) 4 155 1,000+ 1,000+
25 Free
15.06
15.06
50 Free
16.06
31.12
50 Free
31.12
Free 100 Y 1:09.00 Analysis 12 01/16/2026 B BB: 1:06.39 (+2.61s | 3.8%) 3 122 1,000+ 1,000+
50 Free
32.97
32.97
100 Free
36.03
1:09.00
100 Free
1:09.00
Free 200 Y 2:32.46 Analysis 12 03/07/2025 B BB: 2:24.89 (+7.57s | 5.0%) 1 107 981 1,000+
50 Free
33.93
33.93
100 Free
38.62
1:12.55
100 Free
1:12.55
150 Free
39.72
1:52.27
200 Free
40.19
2:32.46
100 Free
1:19.91
Free 500 Y 6:33.29 Analysis 12 01/16/2026 B BB: 6:29.99 (+3.30s | 0.8%) 1 59 603 1,000+
50 Free
33.85
33.85
100 Free
37.94
1:11.79
100 Free
1:11.79
150 Free
39.33
1:51.12
200 Free
38.98
2:30.10
100 Free
1:18.31
250 Free
39.72
3:09.82
300 Free
41.18
3:51.00
100 Free
1:20.90
350 Free
41.24
4:32.24
400 Free
41.84
5:14.08
100 Free
1:23.08
450 Free
40.25
5:54.33
500 Free
38.96
6:33.29
100 Free
1:19.21
Back 50 Y 35.23 12 03/06/2026 BB A: 32.69 (+2.54s | 7.2%) 3 97 762 1,000+
25 Back
17.53
17.53
50 Back
17.70
35.23
50 Back
35.23
Back 100 Y 1:16.16 Analysis 12 03/06/2026 B BB: 1:15.69 (+0.47s | 0.6%) 1 84 738 1,000+
25 Back
17.50
17.50
50 Back
19.19
36.69
50 Back
36.69
75 Back
19.95
56.64
100 Back
19.52
1:16.16
50 Back
39.47
Breast 50 Y 43.49 12 05/17/2025 B BB: 40.09 (+3.40s | 7.8%) 2 149 1,000+ 1,000+
Breast 100 Y 1:30.23 Analysis 12 03/07/2025 B BB: 1:25.49 (+4.74s | 5.3%) 1 101 913 1,000+
50 Breast
43.41
43.41
100 Breast
46.82
1:30.23
100 Breast
1:30.23
Breast 200 Y 3:22.05 Analysis 12 03/07/2025 B: 3:16.39 (+5.66s | 2.8%) 1 69 536 1,000+
50 Breast
44.97
44.97
100 Breast
52.34
1:37.31
100 Breast
1:37.31
150 Breast
52.76
2:30.07
200 Breast
51.98
3:22.05
100 Breast
1:44.74
Fly 50 Y 34.24 12 03/06/2026 B BB: 34.19 (+0.05s | 0.1%) 1 84 755 1,000+
25 Fly
15.75
15.75
50 Fly
18.49
34.24
50 Fly
34.24
Fly 100 Y 1:23.55 Analysis 12 03/06/2026 B: 1:22.89 (+0.66s | 0.8%) 1 82 887 1,000+
25 Fly
17.83
17.83
50 Fly
20.75
38.58
50 Fly
38.58
75 Fly
22.89
1:01.47
100 Fly
22.08
1:23.55
50 Fly
44.97
IM 100 Y 1:21.52 Analysis 12 05/17/2025 B BB: 1:15.89 (+5.63s | 6.9%) 2 140 1,000+ 1,000+
50 IM
38.14
38.14
100 IM
43.38
1:21.52
100 IM
1:21.52
IM 200 Y 2:56.87 Analysis 12 03/07/2025 B BB: 2:45.79 (+11.08s | 6.3%) 1 119 1,000+ 1,000+
50 Fly
39.21
39.21
100 Back
42.08
1:21.29
100 IM
1:21.29
150 Breast
53.19
2:14.48
200 Free
42.39
2:56.87
100 IM
1:35.58

Long course distance

Event Time Age Date Standard Next Standard Loveland Swim Club Colorado Swimming Western Zone USA
Free 50 M 36.45 12 06/28/2025 B BB: 34.79 (+1.66s | 4.6%) 1 87 780 1,000+
Free 100 M 1:21.14 Analysis 12 04/25/2025 B BB: 1:16.19 (+4.95s | 6.1%) 1 65 683 1,000+
50 Free
39.42
39.42
100 Free
41.72
1:21.14
100 Free
1:21.14
Free 200 M 2:52.27 Analysis 12 06/28/2025 B BB: 2:46.39 (+5.88s | 3.4%) 1 44 471 944
Back 50 M 44.17 12 06/28/2025 B BB: 41.09 (+3.08s | 7.0%) 1 96 767 1,000+
Back 100 M 1:34.34 Analysis 12 07/11/2025 B BB: 1:29.59 (+4.75s | 5.0%) 1 76 628 1,000+
50 Back
45.82
45.82
100 Back
48.52
1:34.34
100 Back
1:34.34
Breast 50 M 50.23 12 04/25/2025 B: 49.79 (+0.44s | 0.9%) 1 83 674 1,000+
Breast 100 M 1:47.07 Analysis 12 06/06/2025 B BB: 1:39.59 (+7.48s | 7.0%) 1 65 545 974
50 Breast
52.52
52.52
100 Breast
54.55
1:47.07
100 Breast
1:47.07
Breast 200 M 3:55.49 Analysis 12 06/28/2025 B: 3:47.89 (+7.60s | 3.2%) 1 50 202 361
Fly 50 M 43.71 12 07/11/2025 B: 41.99 (+1.72s | 3.9%) 1 86 726 1,000+
Fly 100 M 1:47.54 Analysis 12 06/28/2025 B: 1:35.09 (+12.45s | 11.6%) 1 62 557 1,000+
IM 200 M 3:20.69 Analysis 12 06/06/2025 B BB: 3:08.99 (+11.70s | 5.8%) 1 55 540 1,000+
50 Fly
43.57
43.57
100 Back
50.05
1:33.62
100 IM
1:33.62
150 Breast
1:00.56
2:34.18
200 Free
46.51
3:20.69
100 IM
1:47.07
IM 400 M 7:20.41 Analysis 12 06/28/2025 B: 7:17.89 (+2.52s | 0.6%) 1 25 124 196

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