Swimmer profile
Jason Zhao
MaleOpen / SeniorMason Manta RaysOH · CENTRALCollege athlete · Stanford UniversityD1
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
30.49
27.50
▲ 2.99
26.46
▲ 1.04
24.68
▲ 1.78
22.77
▲ 1.91
21.44
▲ 1.33
20.81
▲ 0.63
20.35
▲ 0.46
20.08
▲ 0.27
20.05
▲ 0.03
20.49
▼ 0.44
100 Free SCY
1:06.80
1:00.97
▲ 5.83
56.61
▲ 4.36
53.29
▲ 3.32
49.56
▲ 3.73
48.17
▲ 1.39
45.19
▲ 2.98
44.71
▲ 0.48
43.46
▲ 1.25
43.56
▼ 0.10
42.99
▲ 0.57
200 Free SCY
2:23.35
2:08.97
▲ 14.38
2:05.96
▲ 3.01
1:59.69
▲ 6.27
1:49.84
▲ 9.85
1:42.30
▲ 7.54
1:39.61
▲ 2.69
1:36.16
▲ 3.45
1:33.51
▲ 2.65
1:34.22
▼ 0.71
1:32.70
▲ 1.52
500 Free SCY
—
—
6:12.29
5:25.04
▲ 47.25
4:58.72
▲ 26.32
4:37.54
▲ 21.18
4:32.17
▲ 5.37
4:23.31
▲ 8.86
4:19.96
▲ 3.35
4:28.48
▼ 8.52
—
1000 Free SCY
—
—
—
11:50.99
10:25.94
▲ 85.05
9:46.60
▲ 39.34
10:06.41
▼ 19.81
9:24.49
▲ 41.92
9:45.38
▼ 20.89
—
—
1650 Free SCY
—
—
—
—
—
17:10.71
16:49.35
▲ 21.36
15:49.54
▲ 59.81
15:45.10
▲ 4.44
15:41.06
▲ 4.04
—
50 Back SCY
39.84
34.94
▲ 4.90
32.17
▲ 2.77
28.28
▲ 3.89
25.76
▲ 2.52
26.04
▼ 0.28
25.97
▲ 0.07
25.26
▲ 0.71
23.93
▲ 1.33
23.94
▼ 0.01
—
100 Back SCY
1:31.85
—
—
1:01.87
▲ 29.98
58.72
▲ 3.15
53.59
▲ 5.13
55.50
▼ 1.91
54.01
▲ 1.49
49.38
▲ 4.63
48.18
▲ 1.20
—
200 Back SCY
—
—
—
2:19.19
2:06.27
▲ 12.92
2:00.85
▲ 5.42
2:01.33
▼ 0.48
1:53.36
▲ 7.97
—
1:48.66
▲ 4.70
—
50 Breast SCY
39.80
35.93
▲ 3.87
32.41
▲ 3.52
29.95
▲ 2.46
28.05
▲ 1.90
27.65
▲ 0.40
27.84
▼ 0.19
27.52
▲ 0.32
26.74
▲ 0.78
27.02
▼ 0.28
—
100 Breast SCY
1:28.10
1:20.61
▲ 7.49
1:12.20
▲ 8.41
1:06.52
▲ 5.68
59.84
▲ 6.68
56.93
▲ 2.91
56.46
▲ 0.47
55.27
▲ 1.19
53.64
▲ 1.63
53.50
▲ 0.14
55.11
▼ 1.61
200 Breast SCY
—
—
—
2:31.16
2:12.06
▲ 19.10
2:05.11
▲ 6.95
2:08.60
▼ 3.49
2:00.00
▲ 8.60
1:59.17
▲ 0.83
2:00.35
▼ 1.18
1:59.69
▲ 0.66
50 Fly SCY
36.28
31.11
▲ 5.17
28.75
▲ 2.36
26.94
▲ 1.81
25.67
▲ 1.27
24.77
▲ 0.90
24.04
▲ 0.73
23.26
▲ 0.78
22.46
▲ 0.80
22.62
▼ 0.16
—
100 Fly SCY
—
1:28.38
1:06.34
▲ 22.04
1:01.16
▲ 5.18
57.05
▲ 4.11
53.33
▲ 3.72
52.92
▲ 0.41
51.15
▲ 1.77
48.45
▲ 2.70
47.54
▲ 0.91
48.62
▼ 1.08
200 Fly SCY
—
—
—
2:27.12
2:15.04
▲ 12.08
2:05.06
▲ 9.98
2:09.13
▼ 4.07
2:00.85
▲ 8.28
—
1:50.07
▲ 10.78
—
100 IM SCY
1:15.55
1:08.59
▲ 6.96
1:05.83
▲ 2.76
59.21
▲ 6.62
55.16
▲ 4.05
54.61
▲ 0.55
55.03
▼ 0.42
55.02
▲ 0.01
52.03
▲ 2.99
51.75
▲ 0.28
—
200 IM SCY
2:55.04
2:36.68
▲ 18.36
2:23.35
▲ 13.33
2:11.34
▲ 12.01
2:01.25
▲ 10.09
1:54.82
▲ 6.43
1:54.80
▲ 0.02
1:52.36
▲ 2.44
1:46.11
▲ 6.25
1:48.35
▼ 2.24
1:43.36
▲ 4.99
400 IM SCY
—
—
4:58.40
5:06.93
▼ 8.53
4:21.02
▲ 45.91
4:09.75
▲ 11.27
4:22.11
▼ 12.36
4:15.45
▲ 6.66
—
3:58.12
▲ 17.33
—
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.