Swimmer profile
Ian O'Neil
MaleOpen / SeniorUniv of Denver HilltoppersCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
33.57
31.87
▲ 1.70
30.95
▲ 0.92
26.85
▲ 4.10
26.76
▲ 0.09
26.39
▲ 0.37
26.43
▼ 0.04
25.86
▲ 0.57
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100 Free LCM
1:15.48
1:09.79
▲ 5.69
1:04.15
▲ 5.64
59.37
▲ 4.78
58.68
▲ 0.69
57.37
▲ 1.31
54.97
▲ 2.40
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200 Free LCM
2:42.20
2:31.26
▲ 10.94
2:24.01
▲ 7.25
2:07.87
▲ 16.14
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—
—
2:03.39
▲ 4.48
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400 Free LCM
5:47.49
5:15.45
▲ 32.04
—
4:24.26
▲ 51.19
4:38.58
▼ 14.32
4:33.30
▲ 5.28
4:21.83
▲ 11.47
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800 Free LCM
—
10:57.96
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—
—
—
—
—
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50 Back LCM
—
38.50
—
—
—
—
—
29.66
▲ 8.84
30.61
▼ 0.95
100 Back LCM
1:30.81
1:22.63
▲ 8.18
1:19.19
▲ 3.44
—
1:09.37
▲ 9.82
1:08.74
▲ 0.63
1:04.09
▲ 4.65
1:03.41
▲ 0.68
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200 Back LCM
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2:58.48
2:39.37
▲ 19.11
—
2:29.81
▲ 9.56
—
2:30.53
▼ 0.72
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50 Breast LCM
49.85
45.45
▲ 4.40
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—
—
—
—
—
35.31
▲ 10.14
100 Breast LCM
1:45.93
1:37.66
▲ 8.27
1:20.99
▲ 16.67
1:16.74
▲ 4.25
1:10.62
▲ 6.12
1:13.04
▼ 2.42
1:11.83
▲ 1.21
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200 Breast LCM
3:43.30
—
2:52.62
▲ 50.68
2:36.21
▲ 16.41
2:31.42
▲ 4.79
2:39.99
▼ 8.57
2:51.60
▼ 11.61
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50 Fly LCM
37.59
33.15
▲ 4.44
—
—
27.71
▲ 5.44
—
27.39
▲ 0.32
26.72
▲ 0.67
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100 Fly LCM
1:24.53
1:15.94
▲ 8.59
1:06.04
▲ 9.90
1:00.42
▲ 5.62
59.48
▲ 0.94
58.37
▲ 1.11
58.07
▲ 0.30
58.52
▼ 0.45
58.49
▲ 0.03
200 Fly LCM
3:06.77
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2:24.73
▲ 42.04
2:09.36
▲ 15.37
2:06.30
▲ 3.06
2:04.28
▲ 2.02
2:05.39
▼ 1.11
2:09.21
▼ 3.82
2:11.56
▼ 2.35
200 IM LCM
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2:53.35
2:33.53
▲ 19.82
2:19.19
▲ 14.34
2:14.79
▲ 4.40
2:11.58
▲ 3.21
2:10.47
▲ 1.11
2:22.47
▼ 12.00
2:20.35
▲ 2.12
400 IM LCM
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5:20.04
4:51.54
▲ 28.50
4:38.93
▲ 12.61
4:36.00
▲ 2.93
4:35.62
▲ 0.38
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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.