Swimmer profile
Ally O'Brien
FemaleOpen / SeniorAtlantis SwimmingMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
47.17
37.75
▲ 9.42
32.95
▲ 4.80
32.01
▲ 0.94
29.13
▲ 2.88
27.83
▲ 1.30
26.29
▲ 1.54
25.66
▲ 0.63
25.62
▲ 0.04
25.45
▲ 0.17
25.16
▲ 0.29
23.79
▲ 1.37
100 Free SCY
1:47.48
1:32.36
▲ 15.12
1:18.67
▲ 13.69
1:12.78
▲ 5.89
1:05.80
▲ 6.98
1:01.69
▲ 4.11
58.55
▲ 3.14
—
56.17
▲ 2.38
55.32
▲ 0.85
54.43
▲ 0.89
56.14
▼ 1.71
200 Free SCY
—
3:14.76
2:55.45
▲ 19.31
2:46.67
▲ 8.78
—
2:15.64
▲ 31.03
2:09.88
▲ 5.76
—
2:01.82
▲ 8.06
2:01.63
▲ 0.19
2:03.07
▼ 1.44
1:56.33
▲ 6.74
500 Free SCY
—
—
—
7:27.09
6:51.30
▲ 35.79
6:25.69
▲ 25.61
—
5:53.76
▲ 31.93
—
—
5:16.63
▲ 37.13
5:13.88
▲ 2.75
50 Back SCY
59.99
46.14
▲ 13.85
39.30
▲ 6.84
37.96
▲ 1.34
35.39
▲ 2.57
—
—
—
—
—
—
—
100 Back SCY
—
1:41.17
1:28.94
▲ 12.23
1:21.34
▲ 7.60
1:14.64
▲ 6.70
1:14.99
▼ 0.35
1:08.62
▲ 6.37
—
1:05.71
▲ 2.91
1:07.95
▼ 2.24
1:02.03
▲ 5.92
—
200 Back SCY
—
—
—
3:00.12
—
—
2:26.55
▲ 33.57
2:26.61
▼ 0.06
2:26.53
▲ 0.08
—
—
—
50 Breast SCY
—
57.38
45.69
▲ 11.69
43.00
▲ 2.69
38.34
▲ 4.66
36.96
▲ 1.38
—
—
—
—
—
—
100 Breast SCY
—
—
1:50.73
1:38.76
▲ 11.97
1:22.77
▲ 15.99
1:15.67
▲ 7.10
1:15.48
▲ 0.19
1:09.47
▲ 6.01
1:08.72
▲ 0.75
1:08.52
▲ 0.20
1:06.22
▲ 2.30
1:08.10
▼ 1.88
200 Breast SCY
—
—
—
—
2:55.07
2:46.09
▲ 8.98
2:44.36
▲ 1.73
2:32.74
▲ 11.62
2:28.50
▲ 4.24
2:30.21
▼ 1.71
2:25.29
▲ 4.92
2:26.47
▼ 1.18
50 Fly SCY
1:17.24
49.10
▲ 28.14
36.49
▲ 12.61
34.43
▲ 2.06
31.19
▲ 3.24
32.32
▼ 1.13
29.46
▲ 2.86
—
—
—
—
—
100 Fly SCY
—
—
1:30.66
1:18.77
▲ 11.89
1:13.42
▲ 5.35
1:09.70
▲ 3.72
1:05.87
▲ 3.83
1:01.41
▲ 4.46
1:01.81
▼ 0.40
1:01.52
▲ 0.29
59.51
▲ 2.01
—
200 Fly SCY
—
—
—
—
2:49.38
—
—
2:23.60
▲ 25.78
2:19.79
▲ 3.81
—
—
—
100 IM SCY
—
1:48.21
1:28.84
▲ 19.37
1:25.81
▲ 3.03
1:16.14
▲ 9.67
1:13.55
▲ 2.59
—
1:03.87
▲ 9.68
—
—
1:04.48
▼ 0.61
1:02.31
▲ 2.17
200 IM SCY
—
3:41.99
3:06.48
▲ 35.51
2:56.01
▲ 10.47
2:53.21
▲ 2.80
2:37.79
▲ 15.42
2:31.10
▲ 6.69
2:15.16
▲ 15.94
2:15.94
▼ 0.78
—
2:15.22
▲ 0.72
2:14.65
▲ 0.57
400 IM SCY
—
—
—
—
—
—
—
—
4:46.03
4:44.34
▲ 1.69
4:49.41
▼ 5.07
4:55.83
▼ 6.42
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.