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Brennan Williams

Age: 18 years old
Age Category: 17-18
Team: Univ. of Denver Hilltoppers | Colorado Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Univ. of Denver Hilltoppers Colorado Swimming Western Zone USA
Free 50 Y 22.72 18 12/13/2024 A AA: 22.59 (+0.13s | 0.6%) 9 85 746 1,000+
Free 100 Y 49.88 Analysis 18 12/13/2024 A AA: 49.59 (+0.29s | 0.6%) 11 94 902 1,000+
50 Free
23.89
23.89
100 Free
25.99
49.88
100 Free
49.88
Free 200 Y 1:50.56 Analysis 18 11/01/2024 A AA: 1:49.69 (+0.87s | 0.8%) 10 87 848 1,000+
50 Free
25.08
25.08
100 Free
27.79
52.87
100 Free
52.87
150 Free
28.67
1:21.54
200 Free
29.02
1:50.56
100 Free
57.69
Free 500 Y 5:15.77 Analysis 18 02/21/2025 BB A: 5:11.39 (+4.38s | 1.4%) 11 92 887 1,000+
50 Free
27.76
27.76
100 Free
30.52
58.28
100 Free
58.28
150 Free
31.41
1:29.69
200 Free
32.13
2:01.82
100 Free
1:03.54
250 Free
32.57
2:34.39
300 Free
32.43
3:06.82
100 Free
1:05.00
350 Free
32.85
3:39.67
400 Free
32.67
4:12.34
100 Free
1:05.52
450 Free
32.14
4:44.48
500 Free
31.29
5:15.77
100 Free
1:03.43
Back 50 Y 26.95 18 01/09/2026 BB A: 26.39 (+0.56s | 2.1%) 4 51 552 1,000+
Back 100 Y 56.47 Analysis 18 04/30/2026 BB A: 55.89 (+0.58s | 1.0%) 10 73 605 1,000+
50 Back
27.45
27.45
100 Back
29.02
56.47
100 Back
56.47
Back 200 Y 2:05.44 Analysis 18 01/09/2026 BB A: 2:03.29 (+2.15s | 1.7%) 6 58 533 1,000+
50 Back
30.83
30.83
100 Back
32.03
1:02.86
100 Back
1:02.86
150 Back
31.35
1:34.21
200 Back
31.23
2:05.44
100 Back
1:02.58
Breast 50 Y 30.02 18 01/09/2026 A AA: 29.09 (+0.93s | 3.1%) 2 36 483 1,000+
Breast 100 Y 1:10.94 Analysis 18 12/02/2022 B BB: 1:09.39 (+1.55s | 2.2%) 15 175 1,000+ 1,000+
50 Breast
33.54
33.54
100 Breast
37.40
1:10.94
100 Breast
1:10.94
Breast 200 Y 2:22.52 Analysis 18 12/13/2024 BB A: 2:19.09 (+3.43s | 2.4%) 9 67 618 1,000+
50 Breast
31.87
31.87
100 Breast
36.50
1:08.37
100 Breast
1:08.37
150 Breast
37.41
1:45.78
200 Breast
36.74
2:22.52
100 Breast
1:14.15
Fly 50 Y 25.37 18 01/09/2026 A AA: 25.09 (+0.28s | 1.1%) 2 45 558 1,000+
Fly 100 Y 54.98 Analysis 18 03/27/2025 A AA: 53.69 (+1.29s | 2.3%) 7 77 764 1,000+
50 Fly
25.68
25.68
100 Fly
29.30
54.98
100 Fly
54.98
Fly 200 Y 2:00.38 Analysis 18 07/22/2026 A AA: 2:00.29 (+0.09s | 0.1%) 2 21 329 1,000+
50 Fly
25.69
25.69
100 Fly
29.61
55.30
100 Fly
55.30
150 Fly
31.05
1:26.35
200 Fly
34.03
2:00.38
100 Fly
1:05.08
IM 200 Y 1:59.93 Analysis 18 05/08/2026 AA AAA: 1:55.89 (+4.04s | 3.4%) 5 52 449 1,000+
50 Fly
25.58
25.58
100 Back
30.37
55.95
100 IM
55.95
150 Breast
35.20
1:31.15
200 Free
28.78
1:59.93
100 IM
1:03.98
IM 400 Y 4:17.99 Analysis 18 07/22/2026 AA AAA: 4:09.39 (+8.60s | 3.3%) 5 27 306 925
50 Fly
26.31
26.31
100 Fly
30.43
56.74
100 Fly
56.74
150 Back
33.98
1:30.72
200 Back
32.82
2:03.54
100 Back
1:06.80
250 Breast
36.98
2:40.52
300 Breast
37.73
3:18.25
100 Breast
1:14.71
350 Free
30.46
3:48.71
400 Free
29.28
4:17.99
100 Free
59.74

Long course distance

Event Time Age Date Standard Next Standard Univ. of Denver Hilltoppers Colorado Swimming Western Zone USA
Free 50 M 25.71 18 05/17/2025 AA AAA: 25.09 (+0.62s | 2.4%) 8 47 498 1,000+
Free 100 M 57.55 Analysis 18 06/26/2026 A AA: 57.39 (+0.16s | 0.3%) 9 77 768 1,000+
50 Free
27.81
27.81
100 Free
29.74
57.55
100 Free
57.55
Free 200 M 2:09.92 Analysis 18 06/26/2026 A AA: 2:05.59 (+4.33s | 3.3%) 9 75 791 1,000+
50 Free
28.89
28.89
100 Free
32.21
1:01.10
100 Free
1:01.10
150 Free
34.20
1:35.30
200 Free
34.62
2:09.92
100 Free
1:08.82
Back 100 M 1:05.27 Analysis 18 06/12/2026 A AA: 1:03.69 (+1.58s | 2.4%) 7 45 405 1,000+
50 Back
32.15
32.15
100 Back
33.12
1:05.27
100 Back
1:05.27
Back 200 M 2:16.65 Analysis 18 07/16/2026 AA AAA: 2:12.89 (+3.76s | 2.8%) 3 16 157 447
50 Back
32.33
32.33
100 Back
34.39
1:06.72
100 Back
1:06.72
150 Back
35.11
1:41.83
200 Back
34.82
2:16.65
100 Back
1:09.93
Breast 100 M 1:23.46 Analysis 18 06/27/2025 B BB: 1:20.59 (+2.87s | 3.4%) 11 126 1,000+ 1,000+
50 Breast
38.35
38.35
100 Breast
45.11
1:23.46
100 Breast
1:23.46
Breast 200 M 2:49.88 Analysis 18 06/27/2025 BB A: 2:42.19 (+7.69s | 4.5%) 9 63 563 1,000+
50 Breast
36.23
36.23
100 Breast
43.18
1:19.41
100 Breast
1:19.41
150 Breast
44.88
2:04.29
200 Breast
45.59
2:49.88
100 Breast
1:30.47
Fly 50 M 28.28 18 07/17/2025 AA AAA: 27.19 (+1.09s | 3.9%) 7 59 467 1,000+
Fly 100 M 1:02.11 Analysis 18 07/17/2025 A AA: 1:01.29 (+0.82s | 1.3%) 6 46 524 1,000+
50 Fly
28.80
28.80
100 Fly
33.31
1:02.11
100 Fly
1:02.11
Fly 200 M 2:17.62 Analysis 18 07/16/2026 A AA: 2:17.19 (+0.43s | 0.3%) 2 16 233 601
50 Fly
29.88
29.88
100 Fly
34.19
1:04.07
100 Fly
1:04.07
150 Fly
36.31
1:40.38
200 Fly
37.24
2:17.62
100 Fly
1:13.55
IM 200 M 2:19.83 Analysis 18 07/16/2026 AA AAA: 2:15.09 (+4.74s | 3.4%) 6 37 391 961
50 Fly
28.80
28.80
100 Back
36.47
1:05.27
100 IM
1:05.27
150 Breast
42.41
1:47.68
200 Free
32.15
2:19.83
100 IM
1:14.56
IM 400 M 4:52.88 Analysis 18 07/16/2026 AA AAA: 4:48.79 (+4.09s | 1.4%) 3 15 171 446
50 Fly
29.46
29.46
100 Fly
34.63
1:04.09
100 Fly
1:04.09
150 Back
38.97
1:43.06
200 Back
37.54
2:20.60
100 Back
1:16.51
250 Breast
42.45
3:03.05
300 Breast
43.80
3:46.85
100 Breast
1:26.25
350 Free
33.04
4:19.89
400 Free
32.99
4:52.88
100 Free
1:06.03

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