Swimmer profile
Justin Zhao
Male13-14Scarlet AquaticsNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
32.60
31.74
▲ 0.86
30.39
▲ 1.35
27.83
▲ 2.56
100 Free LCM
1:15.89
1:10.72
▲ 5.17
1:06.48
▲ 4.24
1:01.26
▲ 5.22
200 Free LCM
2:46.39
2:34.68
▲ 11.71
2:24.55
▲ 10.13
2:11.87
▲ 12.68
400 Free LCM
—
—
5:05.37
4:43.29
▲ 22.08
800 Free LCM
—
—
10:30.02
9:47.92
▲ 42.10
1500 Free LCM
—
—
20:17.79
—
50 Back LCM
42.00
39.99
▲ 2.01
35.68
▲ 4.31
32.29
▲ 3.39
100 Back LCM
—
1:22.10
—
1:10.71
▲ 11.39
200 Back LCM
—
—
2:50.97
—
50 Breast LCM
48.08
44.29
▲ 3.79
41.80
▲ 2.49
39.65
▲ 2.15
100 Breast LCM
1:45.65
1:32.31
▲ 13.34
—
—
200 Breast LCM
—
3:21.69
3:09.78
▲ 11.91
—
50 Fly LCM
35.46
33.74
▲ 1.72
31.87
▲ 1.87
31.11
▲ 0.76
100 Fly LCM
1:33.06
1:19.28
▲ 13.78
1:11.55
▲ 7.73
1:08.38
▲ 3.17
200 Fly LCM
—
—
2:38.88
2:28.06
▲ 10.82
200 IM LCM
3:12.14
2:59.90
▲ 12.24
2:42.76
▲ 17.14
2:28.92
▲ 13.84
400 IM LCM
—
—
5:40.68
5:31.27
▲ 9.41
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.