Swimmer profile
Brennen Oneil
MaleOpen / SeniorFASTCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
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
35.84
33.28
▲ 2.56
29.32
▲ 3.96
29.14
▲ 0.18
25.71
▲ 3.43
23.88
▲ 1.83
22.90
▲ 0.98
22.68
▲ 0.22
22.09
▲ 0.59
21.47
▲ 0.62
21.76
▼ 0.29
100 Free SCY
1:17.62
1:11.39
▲ 6.23
1:02.92
▲ 8.47
1:00.35
▲ 2.57
58.58
▲ 1.77
53.86
▲ 4.72
50.19
▲ 3.67
49.50
▲ 0.69
46.32
▲ 3.18
46.54
▼ 0.22
47.90
▼ 1.36
200 Free SCY
2:59.70
2:32.45
▲ 27.25
2:10.37
▲ 22.08
2:06.81
▲ 3.56
1:59.95
▲ 6.86
1:54.37
▲ 5.58
1:49.62
▲ 4.75
1:46.25
▲ 3.37
1:43.23
▲ 3.02
1:40.70
▲ 2.53
1:44.25
▼ 3.55
500 Free SCY
—
6:31.18
5:41.14
▲ 50.04
5:27.12
▲ 14.02
5:13.42
▲ 13.70
5:08.54
▲ 4.88
4:46.08
▲ 22.46
4:37.63
▲ 8.45
4:36.24
▲ 1.39
4:39.76
▼ 3.52
4:40.64
▼ 0.88
1000 Free SCY
—
—
—
—
11:04.89
—
9:45.41
▲ 79.48
9:29.85
▲ 15.56
9:35.83
▼ 5.98
9:29.83
▲ 6.00
9:18.81
▲ 11.02
1650 Free SCY
—
—
21:34.85
18:53.45
▲ 161.40
17:35.20
▲ 78.25
17:59.16
▼ 23.96
16:19.90
▲ 99.26
15:50.42
▲ 29.48
15:37.23
▲ 13.19
—
—
50 Back SCY
45.26
39.44
▲ 5.82
35.75
▲ 3.69
32.60
▲ 3.15
30.92
▲ 1.68
—
25.30
▲ 5.62
24.85
▲ 0.45
24.87
▼ 0.02
23.18
▲ 1.69
23.47
▼ 0.29
100 Back SCY
1:33.45
1:24.01
▲ 9.44
1:13.04
▲ 10.97
1:08.60
▲ 4.44
1:06.92
▲ 1.68
59.57
▲ 7.35
54.01
▲ 5.56
51.78
▲ 2.23
50.30
▲ 1.48
49.78
▲ 0.52
49.37
▲ 0.41
200 Back SCY
—
—
2:41.49
2:25.32
▲ 16.17
2:29.53
▼ 4.21
2:13.26
▲ 16.27
1:57.63
▲ 15.63
1:53.99
▲ 3.64
1:49.81
▲ 4.18
1:46.07
▲ 3.74
1:49.30
▼ 3.23
50 Breast SCY
48.11
46.25
▲ 1.86
41.11
▲ 5.14
40.53
▲ 0.58
34.02
▲ 6.51
—
30.11
▲ 3.91
28.72
▲ 1.39
28.13
▲ 0.59
27.38
▲ 0.75
—
100 Breast SCY
1:48.21
1:37.83
▲ 10.38
1:29.50
▲ 8.33
1:29.61
▼ 0.11
1:19.22
▲ 10.39
1:07.74
▲ 11.48
1:03.49
▲ 4.25
1:01.82
▲ 1.67
1:00.65
▲ 1.17
58.50
▲ 2.15
57.47
▲ 1.03
200 Breast SCY
—
3:35.72
3:13.68
▲ 22.04
—
2:50.45
▲ 23.23
2:35.40
▲ 15.05
2:16.33
▲ 19.07
2:13.66
▲ 2.67
2:05.53
▲ 8.13
2:02.54
▲ 2.99
2:03.70
▼ 1.16
50 Fly SCY
53.66
39.72
▲ 13.94
33.09
▲ 6.63
30.62
▲ 2.47
28.03
▲ 2.59
—
25.59
▲ 2.44
24.18
▲ 1.41
23.89
▲ 0.29
23.04
▲ 0.85
—
100 Fly SCY
—
1:33.64
1:22.92
▲ 10.72
1:08.93
▲ 13.99
1:01.17
▲ 7.76
57.24
▲ 3.93
56.34
▲ 0.90
53.32
▲ 3.02
50.42
▲ 2.90
51.84
▼ 1.42
49.89
▲ 1.95
200 Fly SCY
—
—
—
2:25.24
2:15.18
▲ 10.06
2:07.83
▲ 7.35
2:02.01
▲ 5.82
1:59.37
▲ 2.64
1:57.32
▲ 2.05
1:57.44
▼ 0.12
1:54.34
▲ 3.10
100 IM SCY
1:38.60
1:22.57
▲ 16.03
1:12.78
▲ 9.79
1:11.27
▲ 1.51
1:04.09
▲ 7.18
1:02.06
▲ 2.03
—
—
53.72
▲ 8.34
53.79
▼ 0.07
53.00
▲ 0.79
200 IM SCY
3:20.91
2:50.71
▲ 30.20
2:32.58
▲ 18.13
2:25.77
▲ 6.81
2:17.83
▲ 7.94
2:05.47
▲ 12.36
1:55.52
▲ 9.95
1:52.51
▲ 3.01
1:49.13
▲ 3.38
1:48.05
▲ 1.08
1:49.74
▼ 1.69
400 IM SCY
—
—
5:38.94
5:04.99
▲ 33.95
4:55.60
▲ 9.39
4:29.13
▲ 26.47
4:08.33
▲ 20.80
3:58.74
▲ 9.59
3:58.92
▼ 0.18
3:51.83
▲ 7.09
3:51.67
▲ 0.16
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.