Swimmer profile
Liam O'Brien
Male13-14Spy SwimmingMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.05
32.77
▲ 2.28
32.04
▲ 0.73
30.36
▲ 1.68
100 Free LCM
1:20.92
1:13.15
▲ 7.77
—
—
200 Free LCM
—
2:39.98
—
2:29.56
▲ 10.42
50 Back LCM
42.92
—
—
—
50 Breast LCM
41.92
41.26
▲ 0.66
40.96
▲ 0.30
36.90
▲ 4.06
100 Breast LCM
1:37.85
1:34.60
▲ 3.25
1:31.12
▲ 3.48
1:22.17
▲ 8.95
200 Breast LCM
3:31.60
3:19.52
▲ 12.08
—
3:03.45
▲ 16.07
50 Fly LCM
—
38.75
—
34.21
▲ 4.54
100 Fly LCM
—
—
1:24.36
—
200 IM LCM
3:08.24
3:03.28
▲ 4.96
2:53.29
▲ 9.99
2:46.34
▲ 6.95
400 IM LCM
—
6:23.55
—
—
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.