Swimmer profile
Lucy O'Brien
Female13-14Crawfish AquaticsLA · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
35.98
34.54
▲ 1.44
34.25
▲ 0.29
100 Free LCM
1:20.72
1:14.47
▲ 6.25
—
200 Free LCM
2:48.67
2:39.68
▲ 8.99
2:44.78
▼ 5.10
400 Free LCM
5:50.53
5:32.54
▲ 17.99
—
50 Back LCM
41.77
39.23
▲ 2.54
39.37
▼ 0.14
100 Back LCM
1:34.21
1:26.56
▲ 7.65
1:25.53
▲ 1.03
200 Back LCM
—
—
3:00.58
50 Breast LCM
50.58
47.89
▲ 2.69
—
100 Breast LCM
—
1:45.18
—
50 Fly LCM
39.16
36.72
▲ 2.44
36.69
▲ 0.03
100 Fly LCM
1:36.46
1:25.87
▲ 10.59
1:25.93
▼ 0.06
200 IM LCM
3:15.48
3:04.29
▲ 11.19
3:07.37
▼ 3.08
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.