Swimmer profile
David O'Brien
Male13-14Whitewaters SwimmingNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.90
34.58
▲ 5.32
34.59
▼ 0.01
31.59
▲ 3.00
29.88
▲ 1.71
100 Free LCM
1:27.92
1:16.65
▲ 11.27
1:14.27
▲ 2.38
1:08.42
▲ 5.85
—
200 Free LCM
—
2:56.09
2:51.45
▲ 4.64
2:26.11
▲ 25.34
2:18.82
▲ 7.29
400 Free LCM
—
5:58.23
—
5:11.63
▲ 46.60
4:54.46
▲ 17.17
50 Back LCM
45.59
40.83
▲ 4.76
37.95
▲ 2.88
35.77
▲ 2.18
32.03
▲ 3.74
100 Back LCM
1:36.69
1:23.80
▲ 12.89
1:20.29
▲ 3.51
1:15.11
▲ 5.18
1:14.20
▲ 0.91
200 Back LCM
—
—
2:57.68
2:41.49
▲ 16.19
2:32.90
▲ 8.59
50 Breast LCM
53.85
47.20
▲ 6.65
44.52
▲ 2.68
43.57
▲ 0.95
40.72
▲ 2.85
100 Breast LCM
1:55.98
1:47.65
▲ 8.33
1:40.58
▲ 7.07
1:33.80
▲ 6.78
—
50 Fly LCM
44.54
38.75
▲ 5.79
38.84
▼ 0.09
33.80
▲ 5.04
32.05
▲ 1.75
100 Fly LCM
—
1:34.62
1:30.28
▲ 4.34
1:19.32
▲ 10.96
—
200 IM LCM
—
3:06.82
3:02.27
▲ 4.55
2:46.49
▲ 15.78
2:33.98
▲ 12.51
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.