Swimmer profile
Marissa Chu
Female11-12Phoenix Aquatic Club USA LLCMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
36.73
34.36
▲ 2.37
33.41
▲ 0.95
32.46
▲ 0.95
100 Free LCM
1:22.14
1:15.75
▲ 6.39
1:11.83
▲ 3.92
1:10.13
▲ 1.70
200 Free LCM
3:11.07
2:43.48
▲ 27.59
2:37.34
▲ 6.14
2:30.60
▲ 6.74
400 Free LCM
—
5:43.01
5:28.99
▲ 14.02
—
800 Free LCM
—
11:54.41
10:58.72
▲ 55.69
10:32.37
▲ 26.35
1500 Free LCM
—
—
—
21:09.32
50 Back LCM
45.85
40.24
▲ 5.61
37.71
▲ 2.53
36.13
▲ 1.58
100 Back LCM
1:38.22
1:27.45
▲ 10.77
1:21.61
▲ 5.84
1:19.09
▲ 2.52
200 Back LCM
—
—
2:53.77
2:53.10
▲ 0.67
50 Breast LCM
54.32
49.18
▲ 5.14
46.24
▲ 2.94
43.37
▲ 2.87
100 Breast LCM
1:59.20
1:43.35
▲ 15.85
1:37.01
▲ 6.34
—
200 Breast LCM
—
—
3:31.02
3:18.15
▲ 12.87
50 Fly LCM
44.11
38.60
▲ 5.51
34.49
▲ 4.11
33.72
▲ 0.77
100 Fly LCM
1:46.45
1:25.91
▲ 20.54
1:17.11
▲ 8.80
1:17.62
▼ 0.51
200 Fly LCM
—
—
2:58.46
—
200 IM LCM
—
3:00.56
2:51.24
▲ 9.32
2:44.77
▲ 6.47
400 IM LCM
—
—
6:00.72
5:53.49
▲ 7.23
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.