Swimmer profile
Will O'Brien
Male17-18Aquawolves SwimmingCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
39.89
33.70
▲ 6.19
—
27.64
▲ 6.06
27.15
▲ 0.49
26.30
▲ 0.85
100 Free LCM
1:31.78
—
1:10.36
▲ 21.42
1:03.22
▲ 7.14
59.41
▲ 3.81
59.57
▼ 0.16
200 Free LCM
—
—
2:40.34
2:26.82
▲ 13.52
2:21.34
▲ 5.48
—
400 Free LCM
—
—
—
5:24.54
5:04.66
▲ 19.88
—
50 Back LCM
47.66
—
37.76
▲ 9.90
—
31.86
▲ 5.90
30.15
▲ 1.71
100 Back LCM
1:50.44
—
1:17.82
▲ 32.62
1:10.54
▲ 7.28
1:08.34
▲ 2.20
1:06.11
▲ 2.23
200 Back LCM
—
—
2:54.60
2:31.32
▲ 23.28
2:30.99
▲ 0.33
—
50 Breast LCM
58.45
—
45.00
▲ 13.45
—
37.99
▲ 7.01
36.66
▲ 1.33
100 Breast LCM
2:06.48
1:44.17
▲ 22.31
1:38.57
▲ 5.60
1:27.40
▲ 11.17
1:21.12
▲ 6.28
1:17.04
▲ 4.08
200 Breast LCM
—
—
—
2:54.53
2:53.23
▲ 1.30
2:56.91
▼ 3.68
50 Fly LCM
55.92
—
37.50
▲ 18.42
—
—
—
100 Fly LCM
—
—
1:27.67
1:18.37
▲ 9.30
1:11.27
▲ 7.10
1:05.31
▲ 5.96
200 IM LCM
4:04.82
—
—
2:39.81
▲ 85.01
2:31.72
▲ 8.09
2:33.41
▼ 1.69
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.