Swimmer profile
Luka O'Brien
Male10 & UnderThe Woodlands Swim TeamGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
39.09
35.76
▲ 3.33
32.57
▲ 3.19
100 Free LCM
1:25.81
1:16.81
▲ 9.00
1:10.81
▲ 6.00
200 Free LCM
3:10.96
2:38.77
▲ 32.19
2:32.02
▲ 6.75
400 Free LCM
—
5:43.95
5:20.60
▲ 23.35
50 Back LCM
49.13
42.96
▲ 6.17
41.56
▲ 1.40
100 Back LCM
1:41.94
1:30.75
▲ 11.19
1:25.19
▲ 5.56
50 Breast LCM
—
52.93
—
100 Breast LCM
2:06.64
1:52.51
▲ 14.13
1:34.67
▲ 17.84
50 Fly LCM
41.53
37.61
▲ 3.92
35.56
▲ 2.05
100 Fly LCM
1:53.15
1:25.25
▲ 27.90
1:16.06
▲ 9.19
200 IM LCM
3:40.31
3:04.64
▲ 35.67
2:54.02
▲ 10.62
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.