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Thomas Grieser

Age: 11 years old
Age Category: 11-12
Team: Castle Rock Swimming | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Castle Rock Swimming Colorado Swimming Western Zone USA
Free 50 Y 31.07 11 02/14/2026 B BB: 30.49 (+0.58s | 1.9%) 6 158 1,000+ 1,000+
Free 100 Y 1:07.09 11 03/06/2026 B BB: 1:06.39 (+0.70s | 1.0%) 3 116 1,000+ 1,000+
50 Free
31.87
31.87
100 Free
35.22
1:07.09
100 Free
1:07.09
Free 200 Y 2:30.77 11 03/06/2026 B BB: 2:24.89 (+5.88s | 3.9%) 5 117 998 1,000+
50 Free
34.12
34.12
100 Free
39.10
1:13.22
100 Free
1:13.22
150 Free
39.01
1:52.23
200 Free
38.54
2:30.77
100 Free
1:17.55
Free 500 Y 6:45.69 11 03/06/2026 B BB: 6:29.99 (+15.70s | 3.9%) 5 84 739 1,000+
50 Free
35.40
35.40
100 Free
40.62
1:16.02
100 Free
1:16.02
150 Free
41.16
1:57.18
200 Free
41.03
2:38.21
100 Free
1:22.19
250 Free
41.85
3:20.06
300 Free
41.09
4:01.15
100 Free
1:22.94
350 Free
41.71
4:42.86
400 Free
42.42
5:25.28
100 Free
1:24.13
450 Free
41.89
6:07.17
500 Free
38.52
6:45.69
100 Free
1:20.41
Back 50 Y 33.98 11 02/20/2026 BB A: 32.69 (+1.29s | 3.8%) 3 70 593 1,000+
Back 100 Y 1:13.13 11 02/20/2026 BB A: 1:09.29 (+3.84s | 5.3%) 3 63 549 1,000+
50 Back
35.00
35.00
100 Back
38.13
1:13.13
100 Back
1:13.13
Back 200 Y 2:40.32 11 01/16/2026 BB A: 2:28.19 (+12.13s | 7.6%) 2 48 339 1,000+
50 Back
37.71
37.71
100 Back
41.71
1:19.42
100 Back
1:19.42
150 Back
41.85
2:01.27
200 Back
39.05
2:40.32
100 Back
1:20.90
Breast 50 Y 40.18 11 03/06/2026 B BB: 40.09 (+0.09s | 0.2%) 4 92 847 1,000+
Breast 100 Y 1:29.39 11 03/06/2026 B BB: 1:25.49 (+3.90s | 4.4%) 2 96 941 1,000+
50 Breast
41.25
41.25
100 Breast
48.14
1:29.39
100 Breast
1:29.39
Fly 50 Y 35.94 11 02/14/2026 B BB: 34.19 (+1.75s | 4.9%) 4 126 1,000+ 1,000+
Fly 100 Y 1:21.82 11 03/06/2026 B BB: 1:16.09 (+5.73s | 7.0%) 3 82 847 1,000+
50 Fly
36.12
36.12
100 Fly
45.70
1:21.82
100 Fly
1:21.82
IM 100 Y 1:19.73 11 01/16/2026 B BB: 1:15.89 (+3.84s | 4.8%) 4 134 1,000+ 1,000+
50 IM
38.17
38.17
100 IM
41.56
1:19.73
100 IM
1:19.73
IM 200 Y 2:45.10 11 03/06/2026 BB A: 2:32.29 (+12.81s | 7.8%) 3 70 757 1,000+
50 Fly
36.80
36.80
100 Back
42.91
1:19.71
100 IM
1:19.71
150 Breast
47.58
2:07.29
200 Free
37.81
2:45.10
100 IM
1:25.39

Long course distance

Event Time Age Date Standard Next Standard Castle Rock Swimming Colorado Swimming Western Zone USA
Free 50 M 38.41 11 07/11/2025 B: 37.39 (+1.02s | 2.7%) 5 135 1,000+ 1,000+
Free 100 M 1:26.76 11 06/20/2025 B: 1:22.09 (+4.67s | 5.4%) 5 126 1,000+ 1,000+
50 Free
39.87
39.87
100 Free
46.89
1:26.76
100 Free
1:26.76
Free 200 M 3:15.83 10 05/16/2025 B: 2:59.19 (+16.64s | 8.5%) 6 118 960 1,000+
50 Free
44.74
44.74
100 Free
50.95
1:35.69
100 Free
1:35.69
150 Free
51.69
2:27.38
200 Free
48.45
3:15.83
100 Free
1:40.14
Free 400 M 6:44.55 11 06/27/2025 B: 6:21.09 (+23.46s | 5.8%) 3 58 452 987
50 Free
42.57
42.57
100 Free
49.88
1:32.45
100 Free
1:32.45
150 Free
52.36
2:24.81
200 Free
52.49
3:17.30
100 Free
1:44.85
250 Free
50.03
4:07.33
300 Free
53.66
5:00.99
100 Free
1:43.69
350 Free
52.40
5:53.39
400 Free
51.16
6:44.55
100 Free
1:43.56
Back 50 M 42.81 10 04/25/2025 B BB: 41.09 (+1.72s | 4.0%) 2 85 692 1,000+
Back 100 M 1:36.33 10 04/25/2025 B BB: 1:29.59 (+6.74s | 7.0%) 6 101 812 1,000+
50 Back
47.29
47.29
100 Back
49.04
1:36.33
100 Back
1:36.33
Back 200 M 3:22.97 11 06/27/2025 B BB: 3:08.49 (+14.48s | 7.1%) 3 59 256 456
50 Back
48.41
48.41
100 Back
52.48
1:40.89
100 Back
1:40.89
150 Back
51.68
2:32.57
200 Back
50.40
3:22.97
100 Back
1:42.08
Breast 50 M 49.70 11 06/27/2025 B BB: 45.89 (+3.81s | 7.7%) 2 87 719 1,000+
Breast 100 M 1:51.99 11 06/27/2025 B: 1:47.79 (+4.20s | 3.8%) 3 97 817 1,000+
50 Breast
52.33
52.33
100 Breast
59.66
1:51.99
100 Breast
1:51.99
Fly 50 M 45.42 11 06/27/2025 B: 41.99 (+3.43s | 7.6%) 3 103 888 1,000+
Fly 100 M 1:50.54 10 06/06/2025 B: 1:35.09 (+15.45s | 14.0%) 2 69 640 1,000+
50 Fly
51.18
51.18
100 Fly
59.36
1:50.54
100 Fly
1:50.54
IM 200 M 3:30.15 11 06/27/2025 B: 3:24.39 (+5.76s | 2.7%) 3 85 728 1,000+
50 Fly
52.66
52.66
100 Back
52.63
1:45.29
100 IM
1:45.29
150 Breast
1:00.08
2:45.37
200 Free
44.78
3:30.15
100 IM
1:44.86

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