Swimmer profile
Isaac Zhang
Male10 & UnderFirst Colony Swim Team, Inc.GU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
52.25
40.32
▲ 11.93
34.80
▲ 5.52
32.11
▲ 2.69
30.21
▲ 1.90
100 Free SCY
2:02.50
1:34.56
▲ 27.94
1:25.61
▲ 8.95
1:10.49
▲ 15.12
1:07.96
▲ 2.53
200 Free SCY
—
—
3:18.67
2:41.83
▲ 36.84
2:28.54
▲ 13.29
500 Free SCY
—
—
—
7:43.78
—
50 Back SCY
1:06.55
48.11
▲ 18.44
45.42
▲ 2.69
38.69
▲ 6.73
37.54
▲ 1.15
100 Back SCY
—
—
1:38.58
1:26.26
▲ 12.32
1:16.64
▲ 9.62
50 Breast SCY
1:03.84
47.81
▲ 16.03
43.59
▲ 4.22
38.17
▲ 5.42
35.38
▲ 2.79
100 Breast SCY
—
—
1:38.86
1:26.53
▲ 12.33
1:16.19
▲ 10.34
50 Fly SCY
—
56.54
48.42
▲ 8.12
37.45
▲ 10.97
36.59
▲ 0.86
100 Fly SCY
—
—
—
1:28.11
—
100 IM SCY
2:27.45
1:45.20
▲ 42.25
1:32.26
▲ 12.94
1:23.17
▲ 9.09
1:18.30
▲ 4.87
200 IM SCY
—
—
—
3:01.15
2:51.88
▲ 9.27
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.