Swimmer profile
Gwynn Postlewait
Female15-16Newport Swim TeamOR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
47.58
40.10
▲ 7.48
34.99
▲ 5.11
32.10
▲ 2.89
31.02
▲ 1.08
29.71
▲ 1.31
29.27
▲ 0.44
100 Free LCM
1:49.83
1:31.70
▲ 18.13
1:16.69
▲ 15.01
1:10.28
▲ 6.41
1:06.53
▲ 3.75
1:07.16
▼ 0.63
1:03.63
▲ 3.53
200 Free LCM
—
3:17.55
2:43.49
▲ 34.06
2:34.31
▲ 9.18
2:28.55
▲ 5.76
2:28.35
▲ 0.20
2:23.44
▲ 4.91
400 Free LCM
—
—
5:39.89
5:28.11
▲ 11.78
5:16.40
▲ 11.71
5:25.59
▼ 9.19
5:22.31
▲ 3.28
800 Free LCM
—
—
—
—
11:21.74
—
—
50 Back LCM
52.03
48.62
▲ 3.41
42.50
▲ 6.12
38.94
▲ 3.56
—
36.89
▲ 2.05
—
100 Back LCM
—
1:36.37
1:30.44
▲ 5.93
1:25.31
▲ 5.13
—
1:20.65
▲ 4.66
1:21.57
▼ 0.92
200 Back LCM
—
—
—
3:01.11
—
2:56.79
▲ 4.32
—
50 Breast LCM
53.18
51.34
▲ 1.84
41.95
▲ 9.39
38.66
▲ 3.29
—
38.26
▲ 0.40
36.22
▲ 2.04
100 Breast LCM
1:53.65
1:57.57
▼ 3.92
1:35.00
▲ 22.57
1:24.21
▲ 10.79
1:23.32
▲ 0.89
1:20.14
▲ 3.18
1:19.96
▲ 0.18
200 Breast LCM
—
—
3:25.89
3:08.38
▲ 17.51
3:00.61
▲ 7.77
2:58.28
▲ 2.33
2:54.68
▲ 3.60
50 Fly LCM
—
—
44.51
39.02
▲ 5.49
—
35.17
▲ 3.85
—
200 IM LCM
—
—
—
2:58.91
2:47.85
▲ 11.06
2:46.20
▲ 1.65
2:48.75
▼ 2.55
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.