Swimmer profile
Brennan Williams
Male17-18Univ of Denver HilltoppersCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
50.07
40.04
▲ 10.03
36.41
▲ 3.63
35.60
▲ 0.81
32.50
▲ 3.10
28.88
▲ 3.62
26.90
▲ 1.98
26.33
▲ 0.57
25.71
▲ 0.62
—
100 Free LCM
1:51.34
1:33.59
▲ 17.75
1:24.00
▲ 9.59
1:21.76
▲ 2.24
1:13.43
▲ 8.33
1:03.75
▲ 9.68
59.62
▲ 4.13
58.20
▲ 1.42
57.74
▲ 0.46
59.04
▼ 1.30
200 Free LCM
—
—
3:02.77
3:04.00
▼ 1.23
2:47.10
▲ 16.90
2:30.82
▲ 16.28
2:17.24
▲ 13.58
2:09.06
▲ 8.18
2:12.20
▼ 3.14
—
400 Free LCM
—
—
6:58.14
—
5:58.10
▲ 60.04
—
4:58.48
▲ 59.62
5:09.62
▼ 11.14
—
—
800 Free LCM
—
—
—
—
—
11:18.37
—
—
—
—
50 Back LCM
52.41
46.74
▲ 5.67
45.32
▲ 1.42
43.56
▲ 1.76
—
—
33.20
▲ 10.36
—
—
—
100 Back LCM
1:59.67
1:44.52
▲ 15.15
1:37.99
▲ 6.53
—
1:29.13
▲ 8.86
1:13.95
▲ 15.18
1:09.84
▲ 4.11
1:09.61
▲ 0.23
1:07.86
▲ 1.75
1:05.27
▲ 2.59
200 Back LCM
—
—
—
—
3:13.06
2:39.82
▲ 33.24
2:29.83
▲ 9.99
2:25.67
▲ 4.16
2:32.76
▼ 7.09
2:20.10
▲ 12.66
50 Breast LCM
1:11.45
59.22
▲ 12.23
52.21
▲ 7.01
50.51
▲ 1.70
—
—
38.66
▲ 11.85
—
—
—
100 Breast LCM
—
2:07.54
1:57.32
▲ 10.22
1:51.42
▲ 5.90
1:40.57
▲ 10.85
1:29.73
▲ 10.84
—
1:25.35
▲ 4.38
1:23.46
▲ 1.89
—
200 Breast LCM
—
—
—
—
3:47.73
3:14.62
▲ 33.11
—
—
2:49.88
▲ 24.74
—
50 Fly LCM
—
54.29
45.84
▲ 8.45
43.25
▲ 2.59
—
—
30.28
▲ 12.97
—
28.28
▲ 2.00
—
100 Fly LCM
—
—
1:47.99
—
1:35.26
▲ 12.73
1:11.65
▲ 23.61
1:07.03
▲ 4.62
1:04.18
▲ 2.85
1:02.11
▲ 2.07
—
200 Fly LCM
—
—
—
—
—
—
—
—
2:21.13
2:24.98
▼ 3.85
200 IM LCM
—
3:47.39
3:29.13
▲ 18.26
3:28.33
▲ 0.80
3:10.17
▲ 18.16
2:40.14
▲ 30.03
2:28.84
▲ 11.30
2:22.59
▲ 6.25
2:20.74
▲ 1.85
2:21.77
▼ 1.03
400 IM LCM
—
—
—
—
—
—
5:34.09
5:23.69
▲ 10.40
5:06.10
▲ 17.59
5:08.19
▼ 2.09
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.