Swimmer profile
Kate O'Brien
Female15-16Kentucky AquaticsKY · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
33.45
31.56
▲ 1.89
29.77
▲ 1.79
30.05
▼ 0.28
29.18
▲ 0.87
29.57
▼ 0.39
100 Free LCM
1:16.68
1:11.88
▲ 4.80
1:06.28
▲ 5.60
1:09.12
▼ 2.84
1:06.40
▲ 2.72
1:08.38
▼ 1.98
200 Free LCM
2:44.00
2:32.65
▲ 11.35
2:26.19
▲ 6.46
2:28.32
▼ 2.13
2:25.23
▲ 3.09
2:31.92
▼ 6.69
400 Free LCM
—
5:30.43
—
5:08.92
▲ 21.51
—
—
800 Free LCM
—
—
—
10:28.78
10:25.40
▲ 3.38
—
50 Back LCM
38.41
36.21
▲ 2.20
35.02
▲ 1.19
35.00
▲ 0.02
33.55
▲ 1.45
33.04
▲ 0.51
100 Back LCM
1:23.25
1:19.04
▲ 4.21
1:13.57
▲ 5.47
1:14.29
▼ 0.72
1:12.73
▲ 1.56
1:12.34
▲ 0.39
200 Back LCM
—
2:49.52
2:37.44
▲ 12.08
2:38.32
▼ 0.88
2:33.73
▲ 4.59
2:36.59
▼ 2.86
50 Breast LCM
52.68
46.14
▲ 6.54
—
—
—
—
100 Breast LCM
1:52.05
1:42.01
▲ 10.04
1:26.15
▲ 15.86
1:30.38
▼ 4.23
1:30.14
▲ 0.24
1:30.52
▼ 0.38
200 Breast LCM
—
—
3:09.56
3:08.29
▲ 1.27
—
—
50 Fly LCM
38.77
34.54
▲ 4.23
—
32.41
▲ 2.13
—
—
100 Fly LCM
1:41.04
1:22.08
▲ 18.96
1:14.90
▲ 7.18
1:17.26
▼ 2.36
—
1:20.43
▼ 3.17
200 IM LCM
—
2:58.51
2:41.09
▲ 17.42
2:37.88
▲ 3.21
2:41.42
▼ 3.54
—
400 IM LCM
—
—
—
5:40.20
—
—
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.