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Dexter Grenke

Age: 15 years old
Age Category: 15-16
Team: Nation's Capital Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Nation's Capital Swim Club Potomac Valley Swimming Eastern Zone USA
Free 50 Y 24.46 15 12/04/2025 BB A: 24.19 (+0.27s | 1.1%) 70 298 1,000+ 1,000+
Free 100 Y 51.84 Analysis 15 03/26/2026 A AA: 50.99 (+0.85s | 1.6%) 50 188 740 1,000+
50 Free
25.18
25.18
100 Free
26.66
51.84
100 Free
51.84
Free 200 Y 1:51.48 Analysis 15 03/26/2026 AA AAA: 1:46.89 (+4.59s | 4.1%) 45 125 493 1,000+
50 Free
26.09
26.09
100 Free
28.03
54.12
100 Free
54.12
150 Free
28.58
1:22.70
200 Free
28.78
1:51.48
100 Free
57.36
Free 500 Y 4:56.74 Analysis 15 03/26/2026 AA AAA: 4:49.49 (+7.25s | 2.4%) 24 61 269 970
50 Free
26.19
26.19
100 Free
28.21
54.40
100 Free
54.40
150 Free
29.49
1:23.89
200 Free
29.98
1:53.87
100 Free
59.47
250 Free
30.23
2:24.10
300 Free
30.37
2:54.47
100 Free
1:00.60
350 Free
30.37
3:24.84
400 Free
30.99
3:55.83
100 Free
1:01.36
450 Free
31.12
4:26.95
500 Free
29.79
4:56.74
100 Free
1:00.91
Free 1000 Y 10:15.29 Analysis 15 03/05/2026 AA AAA: 10:06.39 (+8.90s | 1.4%) 22 49 189 637
50 Free
27.27
27.27
100 Free
29.26
56.53
100 Free
56.53
150 Free
30.53
1:27.06
200 Free
31.10
1:58.16
100 Free
1:01.63
250 Free
30.75
2:28.91
300 Free
30.94
2:59.85
100 Free
1:01.69
350 Free
30.42
3:30.27
400 Free
31.13
4:01.40
100 Free
1:01.55
450 Free
31.02
4:32.42
500 Free
31.18
5:03.60
100 Free
1:02.20
550 Free
30.98
5:34.58
600 Free
31.33
6:05.91
100 Free
1:02.31
650 Free
32.05
6:37.96
700 Free
31.51
7:09.47
100 Free
1:03.56
750 Free
31.22
7:40.69
800 Free
31.96
8:12.65
100 Free
1:03.18
850 Free
31.15
8:43.80
900 Free
31.43
9:15.23
100 Free
1:02.58
950 Free
30.18
9:45.41
1000 Free
29.88
10:15.29
100 Free
1:00.06
Free 1650 Y 17:13.93 Analysis 15 03/26/2026 AA AAA: 16:50.89 (+23.04s | 2.2%) 11 33 156 541
50 Free
27.20
27.20
100 Free
30.04
57.24
100 Free
57.24
150 Free
30.44
1:27.68
200 Free
30.79
1:58.47
100 Free
1:01.23
250 Free
30.74
2:29.21
300 Free
30.58
2:59.79
100 Free
1:01.32
350 Free
31.26
3:31.05
400 Free
31.55
4:02.60
100 Free
1:02.81
450 Free
30.58
4:33.18
500 Free
31.04
5:04.22
100 Free
1:01.62
550 Free
31.40
5:35.62
600 Free
31.43
6:07.05
100 Free
1:02.83
650 Free
31.67
6:38.72
700 Free
31.39
7:10.11
100 Free
1:03.06
750 Free
31.40
7:41.51
800 Free
31.72
8:13.23
100 Free
1:03.12
850 Free
31.20
8:44.43
900 Free
31.01
9:15.44
100 Free
1:02.21
950 Free
31.03
9:46.47
1000 Free
31.69
10:18.16
100 Free
1:02.72
1050 Free
32.11
10:50.27
1100 Free
31.80
11:22.07
100 Free
1:03.91
1150 Free
32.35
11:54.42
1200 Free
32.27
12:26.69
100 Free
1:04.62
1250 Free
31.94
12:58.63
1300 Free
32.65
13:31.28
100 Free
1:04.59
1350 Free
31.95
14:03.23
1400 Free
32.58
14:35.81
100 Free
1:04.53
1450 Free
31.73
15:07.54
1500 Free
32.63
15:40.17
100 Free
1:04.36
1550 Free
32.12
16:12.29
1600 Free
31.03
16:43.32
100 Free
1:03.15
1650 Free
30.61
17:13.93
Back 50 Y 34.48 15 01/07/2023 73 347 1,000+ 1,000+
Back 100 Y 57.94 Analysis 15 03/05/2026 BB A: 57.89 (+0.05s | 0.1%) 43 133 503 1,000+
50 Back
27.70
27.70
100 Back
30.24
57.94
100 Back
57.94
Back 200 Y 2:03.89 Analysis 15 03/05/2026 A AA: 2:01.29 (+2.60s | 2.1%) 37 87 349 1,000+
50 Back
29.12
29.12
100 Back
30.89
1:00.01
100 Back
1:00.01
150 Back
31.65
1:31.66
200 Back
32.23
2:03.89
100 Back
1:03.88
Breast 100 Y 1:23.75 Analysis 15 01/06/2024 B: 1:16.89 (+6.86s | 8.2%) 103 523 1,000+ 1,000+
50 Breast
39.34
39.34
100 Breast
44.41
1:23.75
100 Breast
1:23.75
Breast 200 Y 3:18.38 Analysis 15 01/07/2023 B: 2:47.09 (+31.29s | 15.8%) 80 365 1,000+ 1,000+
50 Breast
44.28
44.28
100 Breast
50.16
1:34.44
100 Breast
1:34.44
150 Breast
51.95
2:26.39
200 Breast
51.99
3:18.38
100 Breast
1:43.94
Fly 50 Y 27.51 15 10/10/2025 40 223 741 1,000+
Fly 100 Y 1:02.47 Analysis 15 10/10/2025 B BB: 1:02.39 (+0.08s | 0.1%) 87 333 1,000+ 1,000+
50 Fly
28.98
28.98
100 Fly
33.49
1:02.47
100 Fly
1:02.47
Fly 200 Y 2:48.26 Analysis 15 01/06/2024 B: 2:30.19 (+18.07s | 10.7%) 71 219 893 1,000+
50 Fly
34.20
34.20
100 Fly
41.81
1:16.01
100 Fly
1:16.01
150 Fly
46.34
2:02.35
200 Fly
45.91
2:48.26
100 Fly
1:32.25
IM 200 Y 2:12.95 Analysis 15 11/21/2025 BB A: 2:09.39 (+3.56s | 2.7%) 69 241 888 1,000+
50 Fly
28.92
28.92
100 Back
32.75
1:01.67
100 IM
1:01.67
150 Breast
42.08
1:43.75
200 Free
29.20
2:12.95
100 IM
1:11.28

Long course distance

Event Time Age Date Standard Next Standard Nation's Capital Swim Club Potomac Valley Swimming Eastern Zone USA
Free 100 M 59.59 Analysis 15 01/03/2026 A AA: 58.99 (+0.60s | 1.0%) 21 47 193 1,000+
50 Free
28.13
28.13
100 Free
31.46
59.59
100 Free
59.59
Free 200 M 2:10.96 Analysis 15 01/03/2026 A AA: 2:08.69 (+2.27s | 1.7%) 24 43 173 1,000+
50 Free
29.83
29.83
100 Free
32.88
1:02.71
100 Free
1:02.71
150 Free
33.93
1:36.64
200 Free
34.32
2:10.96
100 Free
1:08.25
Free 400 M 4:35.97 Analysis 15 01/03/2026 A AA: 4:34.39 (+1.58s | 0.6%) 12 21 111 745
50 Free
31.23
31.23
100 Free
33.74
1:04.97
100 Free
1:04.97
150 Free
36.04
1:41.01
200 Free
34.44
2:15.45
100 Free
1:10.48
250 Free
36.02
2:51.47
300 Free
34.78
3:26.25
100 Free
1:10.80
350 Free
36.36
4:02.61
400 Free
33.36
4:35.97
100 Free
1:09.72
Back 100 M 1:10.91 Analysis 15 01/03/2026 BB A: 1:07.99 (+2.92s | 4.1%) 23 45 192 1,000+
Back 200 M 2:28.93 Analysis 15 01/03/2026 BB A: 2:27.69 (+1.24s | 0.8%) 15 28 128 759
50 Back
35.24
35.24
100 Back
38.42
1:13.66
100 Back
1:13.66
150 Back
37.35
1:51.01
200 Back
37.92
2:28.93
100 Back
1:15.27
Fly 100 M 1:09.64 Analysis 15 01/03/2026 BB A: 1:05.79 (+3.85s | 5.5%) 32 65 229 1,000+
50 Fly
32.08
32.08
100 Fly
37.56
1:09.64
100 Fly
1:09.64

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