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 LCM
33.61
31.43
▲ 2.18
29.19
▲ 2.24
26.83
▲ 2.36
—
24.76
▲ 2.07
23.64
▲ 1.12
23.71
▼ 0.07
22.90
▲ 0.81
23.19
▼ 0.29
23.47
▼ 0.28
100 Free LCM
1:15.78
1:08.08
▲ 7.70
1:06.05
▲ 2.03
59.86
▲ 6.19
57.72
▲ 2.14
54.34
▲ 3.38
50.68
▲ 3.66
49.39
▲ 1.29
49.75
▼ 0.36
49.32
▲ 0.43
49.26
▲ 0.06
200 Free LCM
2:46.86
2:35.11
▲ 11.75
2:29.04
▲ 6.07
2:06.85
▲ 22.19
—
1:58.33
▲ 8.52
1:53.39
▲ 4.94
1:49.09
▲ 4.30
1:48.60
▲ 0.49
1:48.91
▼ 0.31
1:55.07
▼ 6.16
400 Free LCM
—
—
4:55.85
4:44.49
▲ 11.36
4:33.01
▲ 11.48
4:09.42
▲ 23.59
4:02.18
▲ 7.24
3:55.31
▲ 6.87
3:58.64
▼ 3.33
4:01.47
▼ 2.83
4:00.34
▲ 1.13
800 Free LCM
—
—
10:09.82
—
—
8:53.08
▲ 76.74
8:56.93
▼ 3.85
8:29.10
▲ 27.83
8:21.79
▲ 7.31
—
—
1500 Free LCM
—
—
—
20:06.20
—
—
—
16:41.57
▲ 204.63
—
—
—
50 Back LCM
—
37.42
—
33.36
▲ 4.06
—
29.69
▲ 3.67
—
—
—
27.20
▲ 2.49
—
100 Back LCM
—
—
—
1:15.05
—
1:10.87
▲ 4.18
1:02.18
▲ 8.69
—
58.86
▲ 3.32
58.26
▲ 0.60
—
200 Back LCM
—
—
—
2:43.31
—
2:18.78
▲ 24.53
2:22.33
▼ 3.55
—
2:18.08
▲ 4.25
—
—
50 Breast LCM
44.44
38.95
▲ 5.49
37.23
▲ 1.72
33.17
▲ 4.06
—
30.99
▲ 2.18
32.84
▼ 1.85
29.80
▲ 3.04
30.21
▼ 0.41
—
30.16
▲ 0.05
100 Breast LCM
1:42.21
1:28.97
▲ 13.24
1:20.94
▲ 8.03
1:12.20
▲ 8.74
1:14.59
▼ 2.39
1:07.38
▲ 7.21
1:06.27
▲ 1.11
1:04.81
▲ 1.46
1:04.85
▼ 0.04
1:03.95
▲ 0.90
—
200 Breast LCM
—
—
3:09.28
2:53.84
▲ 15.44
—
2:27.92
▲ 25.92
2:25.10
▲ 2.82
2:28.15
▼ 3.05
2:29.46
▼ 1.31
2:24.61
▲ 4.85
—
50 Fly LCM
41.55
33.13
▲ 8.42
33.05
▲ 0.08
—
—
27.84
▲ 5.21
—
—
25.57
▲ 2.27
26.01
▼ 0.44
—
100 Fly LCM
—
1:18.79
1:15.57
▲ 3.22
—
—
1:02.71
▲ 12.86
56.95
▲ 5.76
56.29
▲ 0.66
55.27
▲ 1.02
55.59
▼ 0.32
57.21
▼ 1.62
200 Fly LCM
—
—
—
2:53.37
—
—
2:20.13
▲ 33.24
2:11.88
▲ 8.25
—
—
—
200 IM LCM
3:08.71
2:45.96
▲ 22.75
2:38.99
▲ 6.97
2:28.67
▲ 10.32
—
2:15.81
▲ 12.86
2:09.35
▲ 6.46
2:07.75
▲ 1.60
2:09.79
▼ 2.04
2:07.49
▲ 2.30
2:06.78
▲ 0.71
400 IM LCM
—
—
—
—
—
—
4:51.76
4:37.13
▲ 14.63
4:43.17
▼ 6.04
4:35.34
▲ 7.83
—
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.