Swimmer profile
John Gasson
Male15-16Houston HydraGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
51.05
35.24
▲ 15.81
34.12
▲ 1.12
29.96
▲ 4.16
29.99
▼ 0.03
28.51
▲ 1.48
28.15
▲ 0.36
100 Free LCM
—
1:18.55
1:13.31
▲ 5.24
1:12.32
▲ 0.99
1:05.94
▲ 6.38
1:06.69
▼ 0.75
59.82
▲ 6.87
200 Free LCM
—
2:50.53
—
2:32.89
▲ 17.64
2:27.13
▲ 5.76
2:21.39
▲ 5.74
2:11.64
▲ 9.75
400 Free LCM
—
—
5:36.33
—
—
4:43.73
▲ 52.60
4:39.09
▲ 4.64
800 Free LCM
—
—
—
—
10:35.75
10:15.70
▲ 20.05
9:33.88
▲ 41.82
1500 Free LCM
—
—
—
—
—
18:48.01
18:08.79
▲ 39.22
50 Back LCM
55.09
41.62
▲ 13.47
40.12
▲ 1.50
36.69
▲ 3.43
34.52
▲ 2.17
—
31.60
▲ 2.92
100 Back LCM
—
1:31.14
1:23.76
▲ 7.38
1:19.59
▲ 4.17
1:17.39
▲ 2.20
1:10.49
▲ 6.90
1:06.05
▲ 4.44
200 Back LCM
—
—
3:00.27
2:52.75
▲ 7.52
2:41.16
▲ 11.59
2:34.77
▲ 6.39
2:28.27
▲ 6.50
50 Breast LCM
—
52.87
—
—
41.79
▲ 11.08
—
36.87
▲ 4.92
100 Breast LCM
—
1:51.45
—
—
1:28.85
▲ 22.60
1:23.50
▲ 5.35
1:17.52
▲ 5.98
200 Breast LCM
—
—
—
—
3:10.25
3:08.25
▲ 2.00
2:49.71
▲ 18.54
50 Fly LCM
—
37.65
35.49
▲ 2.16
32.56
▲ 2.93
31.57
▲ 0.99
30.80
▲ 0.77
28.18
▲ 2.62
100 Fly LCM
—
1:28.58
1:21.05
▲ 7.53
1:15.34
▲ 5.71
1:08.49
▲ 6.85
1:05.04
▲ 3.45
1:01.88
▲ 3.16
200 Fly LCM
—
—
3:01.47
2:48.72
▲ 12.75
2:34.09
▲ 14.63
2:25.25
▲ 8.84
2:19.60
▲ 5.65
200 IM LCM
—
3:13.82
3:01.17
▲ 12.65
2:55.94
▲ 5.23
2:39.86
▲ 16.08
2:35.22
▲ 4.64
2:26.99
▲ 8.23
400 IM LCM
—
—
—
6:01.68
5:37.86
▲ 23.82
5:21.46
▲ 16.40
5:04.31
▲ 17.15
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.