Swimmer profile
William Ma
Male17-18King Aquatic ClubPNW · WESTERNCollege athlete · Nazareth UniversityD3
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
45.34
40.58
▲ 4.76
34.70
▲ 5.88
29.30
▲ 5.40
—
27.35
▲ 1.95
25.79
▲ 1.56
24.38
▲ 1.41
24.03
▲ 0.35
23.85
▲ 0.18
23.64
▲ 0.21
100 Free SCY
1:53.90
1:24.65
▲ 29.25
1:20.35
▲ 4.30
1:06.42
▲ 13.93
1:08.79
▼ 2.37
1:00.72
▲ 8.07
57.95
▲ 2.77
54.35
▲ 3.60
51.26
▲ 3.09
50.07
▲ 1.19
50.11
▼ 0.04
200 Free SCY
—
3:35.78
3:00.92
▲ 34.86
2:22.49
▲ 38.43
2:29.34
▼ 6.85
2:11.93
▲ 17.41
2:04.82
▲ 7.11
1:53.27
▲ 11.55
1:50.71
▲ 2.56
1:49.70
▲ 1.01
1:49.72
▼ 0.02
500 Free SCY
—
—
8:06.86
6:45.02
▲ 81.84
6:35.75
▲ 9.27
5:41.06
▲ 54.69
5:26.80
▲ 14.26
4:53.14
▲ 33.66
4:51.06
▲ 2.08
4:50.37
▲ 0.69
4:57.42
▼ 7.05
1000 Free SCY
—
—
—
—
13:07.12
—
11:17.75
▲ 109.37
10:08.29
▲ 69.46
10:13.42
▼ 5.13
10:19.36
▼ 5.94
—
1650 Free SCY
—
—
—
—
22:05.52
—
17:58.74
▲ 246.78
16:50.71
▲ 68.03
16:57.61
▼ 6.90
—
—
50 Back SCY
56.35
45.00
▲ 11.35
42.70
▲ 2.30
34.93
▲ 7.77
35.43
▼ 0.50
31.15
▲ 4.28
—
29.87
▲ 1.28
—
—
24.53
▲ 5.34
100 Back SCY
2:08.75
2:02.92
▲ 5.83
1:35.10
▲ 27.82
1:16.15
▲ 18.95
1:15.15
▲ 1.00
1:11.85
▲ 3.30
1:05.85
▲ 6.00
59.70
▲ 6.15
56.06
▲ 3.64
57.54
▼ 1.48
55.66
▲ 1.88
200 Back SCY
—
—
—
—
—
2:27.63
2:19.93
▲ 7.70
2:13.37
▲ 6.56
2:02.82
▲ 10.55
2:03.65
▼ 0.83
2:03.57
▲ 0.08
50 Breast SCY
1:06.44
51.39
▲ 15.05
46.40
▲ 4.99
39.42
▲ 6.98
37.63
▲ 1.79
33.03
▲ 4.60
32.04
▲ 0.99
—
28.93
▲ 3.11
27.63
▲ 1.30
27.43
▲ 0.20
100 Breast SCY
2:25.54
1:57.10
▲ 28.44
1:38.51
▲ 18.59
1:29.33
▲ 9.18
1:22.54
▲ 6.79
1:11.67
▲ 10.87
1:06.74
▲ 4.93
1:03.01
▲ 3.73
1:02.12
▲ 0.89
59.30
▲ 2.82
58.79
▲ 0.51
200 Breast SCY
—
—
—
—
2:50.57
2:33.47
▲ 17.10
2:22.70
▲ 10.77
2:13.41
▲ 9.29
2:13.67
▼ 0.26
2:09.56
▲ 4.11
2:09.35
▲ 0.21
50 Fly SCY
1:08.44
57.52
▲ 10.92
45.71
▲ 11.81
33.04
▲ 12.67
31.70
▲ 1.34
29.71
▲ 1.99
27.50
▲ 2.21
—
24.29
▲ 3.21
23.55
▲ 0.74
23.73
▼ 0.18
100 Fly SCY
—
—
—
—
1:13.67
1:05.04
▲ 8.63
59.78
▲ 5.26
54.15
▲ 5.63
53.43
▲ 0.72
51.35
▲ 2.08
51.40
▼ 0.05
200 Fly SCY
—
—
—
—
2:55.97
2:29.26
▲ 26.71
2:12.44
▲ 16.82
1:57.58
▲ 14.86
1:55.65
▲ 1.93
1:54.18
▲ 1.47
1:54.07
▲ 0.11
100 IM SCY
—
1:46.14
1:30.41
▲ 15.73
1:15.13
▲ 15.28
1:12.53
▲ 2.60
1:09.61
▲ 2.92
—
57.40
▲ 12.21
57.13
▲ 0.27
54.26
▲ 2.87
53.34
▲ 0.92
200 IM SCY
—
4:01.87
3:08.54
▲ 53.33
—
2:42.50
▲ 26.04
2:22.31
▲ 20.19
2:14.34
▲ 7.97
2:01.78
▲ 12.56
1:59.09
▲ 2.69
1:59.31
▼ 0.22
1:57.63
▲ 1.68
400 IM SCY
—
—
—
—
5:41.06
4:54.32
▲ 46.74
4:41.50
▲ 12.82
4:17.68
▲ 23.82
4:11.31
▲ 6.37
4:15.34
▼ 4.03
4:14.59
▲ 0.75
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.