Swimmer profile
Vivian Niu
Female17-18Mason Manta RaysOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
45.57
39.92
▲ 5.65
32.90
▲ 7.02
29.03
▲ 3.87
27.72
▲ 1.31
26.47
▲ 1.25
27.56
▼ 1.09
28.25
▼ 0.69
25.78
▲ 2.47
25.72
▲ 0.06
100 Free SCY
1:43.57
1:37.54
▲ 6.03
1:15.06
▲ 22.48
1:04.20
▲ 10.86
59.76
▲ 4.44
57.37
▲ 2.39
1:02.60
▼ 5.23
58.60
▲ 4.00
56.35
▲ 2.25
55.59
▲ 0.76
200 Free SCY
4:08.71
3:17.24
▲ 51.47
2:37.18
▲ 40.06
2:26.58
▲ 10.60
2:11.87
▲ 14.71
2:01.43
▲ 10.44
2:06.25
▼ 4.82
1:58.25
▲ 8.00
2:00.80
▼ 2.55
1:54.12
▲ 6.68
500 Free SCY
—
9:35.69
7:59.57
▲ 96.12
6:35.47
▲ 84.10
6:04.25
▲ 31.22
5:32.08
▲ 32.17
5:55.65
▼ 23.57
5:47.97
▲ 7.68
5:39.42
▲ 8.55
5:32.56
▲ 6.86
1000 Free SCY
—
—
—
—
—
11:44.75
11:20.88
▲ 23.87
12:01.89
▼ 41.01
—
—
1650 Free SCY
—
—
—
—
—
19:18.70
18:51.24
▲ 27.46
18:33.29
▲ 17.95
19:08.14
▼ 34.85
—
50 Back SCY
50.17
46.68
▲ 3.49
36.23
▲ 10.45
34.02
▲ 2.21
30.41
▲ 3.61
30.10
▲ 0.31
30.14
▼ 0.04
31.03
▼ 0.89
27.92
▲ 3.11
27.50
▲ 0.42
100 Back SCY
—
1:39.96
1:23.36
▲ 16.60
1:15.72
▲ 7.64
1:05.86
▲ 9.86
1:01.41
▲ 4.45
1:00.06
▲ 1.35
58.59
▲ 1.47
59.86
▼ 1.27
57.23
▲ 2.63
200 Back SCY
—
—
3:10.84
2:37.23
▲ 33.61
2:28.51
▲ 8.72
2:14.47
▲ 14.04
2:17.63
▼ 3.16
2:11.54
▲ 6.09
2:11.78
▼ 0.24
2:12.23
▼ 0.45
50 Breast SCY
—
55.92
45.09
▲ 10.83
44.39
▲ 0.70
41.66
▲ 2.73
40.08
▲ 1.58
40.96
▼ 0.88
42.02
▼ 1.06
38.42
▲ 3.60
38.30
▲ 0.12
100 Breast SCY
2:25.70
2:05.18
▲ 20.52
1:45.65
▲ 19.53
1:39.32
▲ 6.33
—
1:25.25
▲ 14.07
1:21.67
▲ 3.58
—
—
1:21.08
▲ 0.59
200 Breast SCY
—
—
—
—
—
3:02.97
3:06.51
▼ 3.54
—
—
—
50 Fly SCY
1:06.20
57.52
▲ 8.68
41.81
▲ 15.71
32.40
▲ 9.41
30.95
▲ 1.45
30.08
▲ 0.87
32.04
▼ 1.96
32.07
▼ 0.03
29.72
▲ 2.35
29.30
▲ 0.42
100 Fly SCY
—
2:10.83
—
1:20.16
▲ 50.67
1:18.20
▲ 1.96
1:21.65
▼ 3.45
1:13.78
▲ 7.87
—
1:04.30
▲ 9.48
1:01.46
▲ 2.84
200 Fly SCY
—
—
—
—
2:50.95
—
—
—
—
—
100 IM SCY
2:02.45
1:46.66
▲ 15.79
1:24.87
▲ 21.79
1:14.48
▲ 10.39
1:12.20
▲ 2.28
1:11.30
▲ 0.90
1:16.47
▼ 5.17
1:12.19
▲ 4.28
1:07.08
▲ 5.11
1:02.08
▲ 5.00
200 IM SCY
—
—
3:16.03
2:37.80
▲ 38.23
2:38.93
▼ 1.13
2:21.68
▲ 17.25
2:19.47
▲ 2.21
2:19.60
▼ 0.13
2:17.05
▲ 2.55
2:21.06
▼ 4.01
400 IM SCY
—
—
—
—
5:32.80
5:03.96
▲ 28.84
—
4:51.20
▲ 12.76
5:04.97
▼ 13.77
4:41.03
▲ 23.94
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.