Swimmer profile
Marissa Sampson
Female17-18Tri-city Channel CatsIE · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.12
37.89
▲ 7.23
35.91
▲ 1.98
31.60
▲ 4.31
31.51
▲ 0.09
31.83
▼ 0.32
32.65
▼ 0.82
31.94
▲ 0.71
32.32
▼ 0.38
100 Free LCM
—
1:25.24
1:21.84
▲ 3.40
1:10.58
▲ 11.26
1:08.52
▲ 2.06
1:08.15
▲ 0.37
1:07.17
▲ 0.98
1:10.46
▼ 3.29
1:11.64
▼ 1.18
200 Free LCM
—
—
2:51.69
2:35.41
▲ 16.28
2:25.20
▲ 10.21
—
—
2:29.78
▼ 4.58
—
400 Free LCM
—
—
—
—
5:18.87
4:58.36
▲ 20.51
5:16.42
▼ 18.06
5:13.45
▲ 2.97
—
800 Free LCM
—
—
—
—
—
10:14.37
10:56.85
▼ 42.48
—
—
50 Back LCM
—
46.63
46.99
▼ 0.36
—
—
—
41.57
▲ 5.42
41.66
▼ 0.09
—
100 Back LCM
1:54.67
1:43.86
▲ 10.81
1:36.28
▲ 7.58
1:29.87
▲ 6.41
1:21.99
▲ 7.88
1:19.14
▲ 2.85
1:25.06
▼ 5.92
—
—
200 Back LCM
—
—
—
3:06.07
2:58.15
▲ 7.92
—
—
—
—
50 Breast LCM
1:03.86
57.37
▲ 6.49
49.17
▲ 8.20
45.46
▲ 3.71
—
—
—
44.37
▲ 1.09
44.58
▼ 0.21
100 Breast LCM
2:16.03
1:58.91
▲ 17.12
1:49.65
▲ 9.26
1:36.42
▲ 13.23
—
1:40.15
▼ 3.73
—
—
1:37.68
▲ 2.47
200 Breast LCM
—
—
—
3:21.93
3:14.53
▲ 7.40
—
3:16.07
▼ 1.54
3:17.55
▼ 1.48
—
50 Fly LCM
—
—
43.35
38.08
▲ 5.27
34.53
▲ 3.55
—
34.84
▼ 0.31
—
35.34
▼ 0.50
100 Fly LCM
2:12.80
1:51.49
▲ 21.31
1:36.13
▲ 15.36
—
—
1:21.44
▲ 14.69
—
1:23.02
▼ 1.58
—
200 IM LCM
—
—
3:25.80
3:00.42
▲ 25.38
2:44.95
▲ 15.47
2:49.25
▼ 4.30
2:49.33
▼ 0.08
2:50.98
▼ 1.65
—
400 IM LCM
—
—
—
6:32.39
5:54.24
▲ 38.15
6:17.21
▼ 22.97
—
—
—
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.