Swimmer profile
Vivian Niu
Female17-18Mason Manta RaysOH · CENTRAL
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
—
41.55
35.75
▲ 5.80
31.61
▲ 4.14
30.47
▲ 1.14
32.70
▼ 2.23
30.42
▲ 2.28
29.83
▲ 0.59
30.82
▼ 0.99
100 Free LCM
1:47.75
—
1:21.03
▲ 26.72
1:08.48
▲ 12.55
1:07.70
▲ 0.78
1:12.29
▼ 4.59
1:07.50
▲ 4.79
1:02.60
▲ 4.90
1:03.20
▼ 0.60
200 Free LCM
—
—
3:02.20
2:25.20
▲ 37.00
2:22.41
▲ 2.79
2:26.01
▼ 3.60
2:17.70
▲ 8.31
2:17.91
▼ 0.21
2:17.14
▲ 0.77
400 Free LCM
—
—
—
5:08.44
5:00.70
▲ 7.74
5:13.72
▼ 13.02
5:05.63
▲ 8.09
4:45.65
▲ 19.98
—
800 Free LCM
—
—
—
—
10:39.57
—
10:55.65
▼ 16.08
9:58.64
▲ 57.01
10:12.39
▼ 13.75
1500 Free LCM
—
—
—
—
20:00.05
20:40.49
▼ 40.44
20:21.56
▲ 18.93
—
—
50 Back LCM
58.87
47.70
▲ 11.17
39.90
▲ 7.80
34.33
▲ 5.57
34.50
▼ 0.17
36.09
▼ 1.59
33.91
▲ 2.18
32.67
▲ 1.24
33.56
▼ 0.89
100 Back LCM
—
—
1:26.52
1:16.33
▲ 10.19
1:10.73
▲ 5.60
1:12.71
▼ 1.98
1:11.06
▲ 1.65
1:09.26
▲ 1.80
1:10.64
▼ 1.38
200 Back LCM
—
—
—
2:49.76
2:31.12
▲ 18.64
2:36.68
▼ 5.56
2:36.03
▲ 0.65
2:30.67
▲ 5.36
2:34.11
▼ 3.44
50 Breast LCM
1:04.85
—
53.30
▲ 11.55
46.90
▲ 6.40
—
45.87
▲ 1.03
43.86
▲ 2.01
—
—
100 Breast LCM
—
2:20.46
—
1:39.14
▲ 41.32
1:36.54
▲ 2.60
1:45.53
▼ 8.99
—
1:33.74
▲ 11.79
—
200 Breast LCM
—
—
—
—
3:23.37
—
—
—
—
50 Fly LCM
1:04.31
—
44.82
▲ 19.49
33.65
▲ 11.17
—
35.72
▼ 2.07
33.81
▲ 1.91
32.89
▲ 0.92
33.21
▼ 0.32
100 Fly LCM
—
—
1:50.41
1:26.55
▲ 23.86
1:23.17
▲ 3.38
1:27.46
▼ 4.29
1:16.38
▲ 11.08
1:13.95
▲ 2.43
—
200 Fly LCM
—
—
—
—
3:13.83
—
—
—
—
200 IM LCM
—
—
3:20.26
—
2:40.31
▲ 39.95
2:51.67
▼ 11.36
2:40.74
▲ 10.93
2:48.51
▼ 7.77
2:39.40
▲ 9.11
400 IM LCM
—
—
—
—
—
—
5:44.54
—
5:33.89
▲ 10.65
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.