Swimmer profile
Heather O'Brien
FemaleOpen / SeniorBeach Cities SwimmingSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
—
31.52
30.31
▲ 1.21
29.41
▲ 0.90
28.36
▲ 1.05
28.95
▼ 0.59
100 Free LCM
—
1:09.60
1:04.28
▲ 5.32
1:03.04
▲ 1.24
1:01.63
▲ 1.41
1:02.54
▼ 0.91
200 Free LCM
—
—
2:20.85
2:15.37
▲ 5.48
2:13.08
▲ 2.29
2:13.64
▼ 0.56
400 Free LCM
—
—
4:55.34
4:46.23
▲ 9.11
4:42.74
▲ 3.49
4:42.96
▼ 0.22
800 Free LCM
—
—
—
10:08.90
10:00.92
▲ 7.98
—
1500 Free LCM
—
—
—
19:18.99
19:10.15
▲ 8.84
—
50 Back LCM
47.98
—
—
—
—
—
100 Back LCM
—
1:19.31
—
—
1:13.76
▲ 5.55
1:15.89
▼ 2.13
200 Back LCM
—
—
2:45.90
—
—
—
50 Breast LCM
56.99
—
—
—
—
—
100 Breast LCM
—
1:36.90
1:32.47
▲ 4.43
—
—
—
200 Breast LCM
—
—
—
—
3:12.25
—
50 Fly LCM
—
—
—
—
—
31.14
100 Fly LCM
—
—
1:13.52
1:10.75
▲ 2.77
1:09.10
▲ 1.65
1:10.11
▼ 1.01
200 IM LCM
—
2:51.51
2:46.88
▲ 4.63
—
2:34.24
▲ 12.64
—
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.