Swimmer profile
William Mulgrew
MaleOpen / SeniorShawmut Aquatic ClubNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
46.83
38.66
▲ 8.17
35.08
▲ 3.58
29.12
▲ 5.96
28.10
▲ 1.02
26.78
▲ 1.32
26.65
▲ 0.13
25.96
▲ 0.69
—
100 Free LCM
—
—
1:18.75
59.62
▲ 19.13
58.09
▲ 1.53
57.17
▲ 0.92
55.08
▲ 2.09
54.25
▲ 0.83
—
200 Free LCM
3:37.54
—
2:48.91
▲ 48.63
2:08.26
▲ 40.65
1:59.06
▲ 9.20
1:54.93
▲ 4.13
1:54.47
▲ 0.46
1:54.49
▼ 0.02
—
400 Free LCM
—
—
—
4:26.30
4:10.25
▲ 16.05
3:58.56
▲ 11.69
3:53.16
▲ 5.40
3:55.17
▼ 2.01
3:51.28
▲ 3.89
800 Free LCM
—
—
—
9:19.21
8:28.63
▲ 50.58
8:07.97
▲ 20.66
7:57.71
▲ 10.26
7:51.99
▲ 5.72
7:53.34
▼ 1.35
1500 Free LCM
—
—
—
17:17.08
16:11.06
▲ 66.02
15:29.82
▲ 41.24
15:12.63
▲ 17.19
15:05.97
▲ 6.66
15:05.30
▲ 0.67
50 Back LCM
—
—
36.59
—
—
—
—
—
—
100 Back LCM
1:51.26
1:31.94
▲ 19.32
1:25.26
▲ 6.68
1:04.57
▲ 20.69
1:03.42
▲ 1.15
1:01.41
▲ 2.01
59.66
▲ 1.75
1:00.51
▼ 0.85
58.51
▲ 2.00
200 Back LCM
—
3:14.16
3:08.56
▲ 5.60
2:18.01
▲ 50.55
2:11.82
▲ 6.19
2:05.37
▲ 6.45
2:06.37
▼ 1.00
2:06.62
▼ 0.25
—
100 Breast LCM
—
—
1:41.39
—
1:20.79
▲ 20.60
1:18.15
▲ 2.64
—
1:18.49
▼ 0.34
—
200 Breast LCM
—
—
—
—
2:52.47
2:51.05
▲ 1.42
2:46.20
▲ 4.85
—
—
50 Fly LCM
—
—
42.63
—
—
—
—
—
—
100 Fly LCM
—
—
—
1:08.88
1:07.06
▲ 1.82
1:04.47
▲ 2.59
—
59.81
▲ 4.66
—
200 Fly LCM
—
—
—
—
—
2:22.30
—
2:17.05
▲ 5.25
—
200 IM LCM
—
—
—
2:22.67
2:24.47
▼ 1.80
2:19.73
▲ 4.74
—
2:09.35
▲ 10.38
—
400 IM LCM
—
—
—
4:59.41
4:49.68
▲ 9.73
4:37.39
▲ 12.29
4:26.72
▲ 10.67
4:31.38
▼ 4.66
—
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.