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 SCY
35.76
31.94
▲ 3.82
30.05
▲ 1.89
28.48
▲ 1.57
100 Free SCY
1:24.06
1:07.37
▲ 16.69
1:04.96
▲ 2.41
1:02.46
▲ 2.50
200 Free SCY
—
2:27.46
2:17.87
▲ 9.59
2:15.63
▲ 2.24
500 Free SCY
—
6:29.53
5:56.60
▲ 32.93
5:48.67
▲ 7.93
50 Back SCY
42.16
36.09
▲ 6.07
34.46
▲ 1.63
32.07
▲ 2.39
100 Back SCY
—
1:16.99
1:11.53
▲ 5.46
1:10.22
▲ 1.31
200 Back SCY
—
—
2:37.14
2:33.40
▲ 3.74
50 Breast SCY
51.34
42.75
▲ 8.59
40.40
▲ 2.35
38.68
▲ 1.72
100 Breast SCY
—
1:33.37
1:25.34
▲ 8.03
1:22.64
▲ 2.70
200 Breast SCY
—
—
—
2:57.28
50 Fly SCY
44.09
33.91
▲ 10.18
32.09
▲ 1.82
30.47
▲ 1.62
100 Fly SCY
—
1:14.87
1:09.36
▲ 5.51
1:07.51
▲ 1.85
200 Fly SCY
—
—
2:45.52
2:29.86
▲ 15.66
100 IM SCY
1:38.01
1:17.32
▲ 20.69
1:13.95
▲ 3.37
1:11.03
▲ 2.92
200 IM SCY
—
2:41.48
2:32.22
▲ 9.26
2:26.04
▲ 6.18
400 IM SCY
—
—
5:26.28
5:13.11
▲ 13.17
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.