Swimmer profile
Sam O'Brien
Female17-18Multnomah Athletic ClubOR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
57.85
50.26
▲ 7.59
48.24
▲ 2.02
43.10
▲ 5.14
31.70
▲ 11.40
32.16
▼ 0.46
31.58
▲ 0.58
31.19
▲ 0.39
31.73
▼ 0.54
100 Free LCM
2:13.74
1:56.77
▲ 16.97
1:53.71
▲ 3.06
1:42.97
▲ 10.74
1:15.20
▲ 27.77
1:12.86
▲ 2.34
1:10.76
▲ 2.10
1:07.05
▲ 3.71
1:09.96
▼ 2.91
200 Free LCM
—
—
4:00.12
—
—
2:45.19
▲ 74.93
—
2:29.39
▲ 15.80
2:31.10
▼ 1.71
400 Free LCM
—
—
—
—
5:57.39
5:46.08
▲ 11.31
5:23.80
▲ 22.28
5:15.46
▲ 8.34
5:29.46
▼ 14.00
800 Free LCM
—
—
—
—
—
11:53.93
11:45.47
▲ 8.46
10:46.36
▲ 59.11
11:23.04
▼ 36.68
1500 Free LCM
—
—
—
—
—
22:34.56
22:28.92
▲ 5.64
20:50.21
▲ 98.71
—
50 Back LCM
57.85
57.04
▲ 0.81
54.09
▲ 2.95
52.24
▲ 1.85
—
—
—
—
41.19
▲ 11.05
100 Back LCM
2:07.34
2:00.62
▲ 6.72
1:57.33
▲ 3.29
—
1:27.81
▲ 29.52
1:26.47
▲ 1.34
1:23.94
▲ 2.53
1:21.46
▲ 2.48
1:32.36
▼ 10.90
200 Back LCM
—
—
—
—
—
2:58.51
2:57.33
▲ 1.18
2:59.94
▼ 2.61
—
50 Breast LCM
—
1:14.42
1:08.69
▲ 5.73
1:02.88
▲ 5.81
—
—
—
41.19
▲ 21.69
41.08
▲ 0.11
100 Breast LCM
—
—
2:36.89
2:21.93
▲ 14.96
1:44.87
▲ 37.06
1:32.50
▲ 12.37
—
1:26.70
▲ 5.80
1:26.43
▲ 0.27
200 Breast LCM
—
—
—
—
—
3:26.46
3:21.44
▲ 5.02
3:09.13
▲ 12.31
3:05.35
▲ 3.78
50 Fly LCM
—
1:14.87
1:11.57
▲ 3.30
59.40
▲ 12.17
—
—
—
32.92
▲ 26.48
35.29
▼ 2.37
100 Fly LCM
—
—
—
—
1:47.61
—
1:30.61
▲ 17.00
1:24.39
▲ 6.22
1:27.13
▼ 2.74
200 IM LCM
—
—
—
4:18.81
3:09.16
▲ 69.65
3:07.03
▲ 2.13
2:54.42
▲ 12.61
2:45.58
▲ 8.84
—
400 IM LCM
—
—
—
—
—
6:34.65
6:26.39
▲ 8.26
5:54.92
▲ 31.47
6:06.84
▼ 11.92
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.