Swimmer profile
Jacob Zhuang
Male11-12Charles River AquaticsNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
42.14
36.62
▲ 5.52
32.48
▲ 4.14
31.25
▲ 1.23
100 Free LCM
1:31.85
1:27.48
▲ 4.37
1:11.33
▲ 16.15
—
200 Free LCM
3:25.56
2:57.22
▲ 28.34
2:35.35
▲ 21.87
—
50 Back LCM
44.45
38.15
▲ 6.30
33.61
▲ 4.54
31.90
▲ 1.71
100 Back LCM
1:37.48
1:27.71
▲ 9.77
1:12.80
▲ 14.91
1:09.11
▲ 3.69
200 Back LCM
—
—
2:37.59
2:29.32
▲ 8.27
50 Breast LCM
58.27
46.87
▲ 11.40
39.84
▲ 7.03
37.47
▲ 2.37
100 Breast LCM
2:06.25
1:40.99
▲ 25.26
1:27.40
▲ 13.59
1:23.59
▲ 3.81
50 Fly LCM
—
43.64
38.07
▲ 5.57
—
100 Fly LCM
—
1:53.33
1:24.28
▲ 29.05
1:18.28
▲ 6.00
200 IM LCM
—
3:14.98
2:44.36
▲ 30.62
2:36.19
▲ 8.17
400 IM LCM
—
—
5:58.23
—
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.