Swimmer profile
Zachary Zeng
Male10 & UnderWaterloo SwimmingST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
50.06
33.31
▲ 16.75
32.14
▲ 1.17
28.56
▲ 3.58
100 Free SCY
—
1:28.97
1:15.37
▲ 13.60
1:03.32
▲ 12.05
200 Free SCY
—
3:20.27
2:47.84
▲ 32.43
2:25.31
▲ 22.53
500 Free SCY
—
—
7:35.59
6:42.13
▲ 53.46
50 Back SCY
54.98
38.74
▲ 16.24
37.59
▲ 1.15
33.32
▲ 4.27
100 Back SCY
—
1:25.77
1:22.78
▲ 2.99
1:13.11
▲ 9.67
200 Back SCY
—
3:36.75
—
—
50 Breast SCY
1:04.47
48.63
▲ 15.84
42.41
▲ 6.22
39.02
▲ 3.39
100 Breast SCY
—
1:41.47
1:34.84
▲ 6.63
1:22.83
▲ 12.01
50 Fly SCY
—
42.03
35.65
▲ 6.38
32.70
▲ 2.95
100 Fly SCY
—
1:43.31
1:31.59
▲ 11.72
1:16.01
▲ 15.58
100 IM SCY
—
1:28.71
1:21.52
▲ 7.19
1:13.65
▲ 7.87
200 IM SCY
—
3:12.24
3:06.56
▲ 5.68
2:41.73
▲ 24.83
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.