Swimmer profile
Zac Ng
Male17-18NOVA of Virginia Aquatics, IncVA · EASTERN
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
46.02
—
32.87
▲ 13.15
29.96
▲ 2.91
29.18
▲ 0.78
27.78
▲ 1.40
25.57
▲ 2.21
24.37
▲ 1.20
22.99
▲ 1.38
22.94
▲ 0.05
100 Free SCY
1:39.05
1:31.95
▲ 7.10
1:18.26
▲ 13.69
1:05.89
▲ 12.37
1:03.06
▲ 2.83
59.66
▲ 3.40
55.17
▲ 4.49
52.96
▲ 2.21
51.96
▲ 1.00
49.49
▲ 2.47
200 Free SCY
—
—
3:07.92
2:24.55
▲ 43.37
2:17.49
▲ 7.06
2:07.52
▲ 9.97
1:57.92
▲ 9.60
1:54.86
▲ 3.06
1:48.89
▲ 5.97
1:47.90
▲ 0.99
500 Free SCY
—
—
—
6:30.55
6:12.05
▲ 18.50
5:37.84
▲ 34.21
5:09.86
▲ 27.98
5:08.53
▲ 1.33
4:48.04
▲ 20.49
4:57.06
▼ 9.02
1000 Free SCY
—
—
—
—
—
11:40.07
10:39.13
▲ 60.94
10:22.28
▲ 16.85
9:57.46
▲ 24.82
—
1650 Free SCY
—
—
—
—
—
—
17:39.04
17:23.73
▲ 15.31
16:40.04
▲ 43.69
—
50 Back SCY
50.16
43.94
▲ 6.22
37.14
▲ 6.80
32.82
▲ 4.32
32.04
▲ 0.78
32.79
▼ 0.75
—
—
—
—
100 Back SCY
—
1:36.27
1:22.45
▲ 13.82
1:13.34
▲ 9.11
1:08.04
▲ 5.30
1:05.76
▲ 2.28
1:02.58
▲ 3.18
1:00.59
▲ 1.99
1:03.93
▼ 3.34
—
200 Back SCY
—
—
—
2:35.57
2:24.93
▲ 10.64
2:20.22
▲ 4.71
2:12.62
▲ 7.60
2:08.29
▲ 4.33
2:10.22
▼ 1.93
—
50 Breast SCY
1:02.52
—
46.00
▲ 16.52
39.03
▲ 6.97
37.26
▲ 1.77
—
32.10
▲ 5.16
—
29.78
▲ 2.32
29.12
▲ 0.66
100 Breast SCY
—
1:55.54
1:49.27
▲ 6.27
1:26.08
▲ 23.19
1:18.84
▲ 7.24
1:14.80
▲ 4.04
1:07.78
▲ 7.02
1:06.30
▲ 1.48
1:03.56
▲ 2.74
1:02.46
▲ 1.10
200 Breast SCY
—
—
—
3:07.96
3:04.70
▲ 3.26
2:43.52
▲ 21.18
2:26.35
▲ 17.17
2:27.06
▼ 0.71
2:18.64
▲ 8.42
2:15.15
▲ 3.49
50 Fly SCY
—
57.63
45.43
▲ 12.20
37.38
▲ 8.05
32.57
▲ 4.81
—
—
—
—
25.91
▲ 6.66
100 Fly SCY
—
—
1:44.73
1:32.68
▲ 12.05
1:19.28
▲ 13.40
1:18.22
▲ 1.06
—
59.68
▲ 18.54
59.41
▲ 0.27
—
200 Fly SCY
—
—
—
—
—
—
2:31.64
—
—
—
100 IM SCY
1:54.66
1:44.15
▲ 10.51
1:30.19
▲ 13.96
1:15.76
▲ 14.43
1:11.92
▲ 3.84
—
—
—
—
—
200 IM SCY
—
—
3:15.23
2:46.15
▲ 29.08
2:39.63
▲ 6.52
2:24.05
▲ 15.58
2:15.14
▲ 8.91
2:09.86
▲ 5.28
2:00.56
▲ 9.30
2:00.15
▲ 0.41
400 IM SCY
—
—
—
—
—
—
4:43.72
—
4:20.53
▲ 23.19
—
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.