Swimmer profile
Grant O'Beirne
Male13-14Plymouth-Canton CruisersMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.19
36.41
▲ 8.78
32.75
▲ 3.66
29.71
▲ 3.04
27.73
▲ 1.98
100 Free LCM
—
1:19.91
1:10.75
▲ 9.16
1:04.93
▲ 5.82
59.22
▲ 5.71
200 Free LCM
—
3:04.47
2:33.51
▲ 30.96
2:19.72
▲ 13.79
2:10.18
▲ 9.54
400 Free LCM
—
6:22.61
5:23.53
▲ 59.08
4:56.30
▲ 27.23
4:38.16
▲ 18.14
800 Free LCM
—
—
11:02.34
10:11.76
▲ 50.58
9:45.70
▲ 26.06
1500 Free LCM
—
—
21:50.92
—
18:28.64
▲ 202.28
50 Back LCM
—
43.55
38.41
▲ 5.14
35.26
▲ 3.15
33.07
▲ 2.19
100 Back LCM
1:53.64
1:33.23
▲ 20.41
1:22.00
▲ 11.23
1:14.16
▲ 7.84
1:11.47
▲ 2.69
200 Back LCM
—
3:23.56
2:54.82
▲ 28.74
2:39.79
▲ 15.03
2:28.70
▲ 11.09
50 Breast LCM
1:11.71
53.77
▲ 17.94
46.79
▲ 6.98
43.81
▲ 2.98
—
100 Breast LCM
—
2:00.62
1:42.65
▲ 17.97
1:32.91
▲ 9.74
—
200 Breast LCM
—
—
—
3:18.09
—
50 Fly LCM
—
45.04
37.01
▲ 8.03
34.65
▲ 2.36
30.11
▲ 4.54
100 Fly LCM
—
1:52.71
1:27.91
▲ 24.80
—
—
200 IM LCM
—
3:36.04
3:04.26
▲ 31.78
2:44.57
▲ 19.69
2:33.86
▲ 10.71
400 IM LCM
—
—
—
5:55.18
—
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.