Swimmer profile
Layna Chang
Female13-14Milpitas Aquatic ClubPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
37.23
34.54
▲ 2.69
31.41
▲ 3.13
31.70
▼ 0.29
31.50
▲ 0.20
100 Free LCM
1:27.19
1:15.19
▲ 12.00
1:09.88
▲ 5.31
1:10.56
▼ 0.68
1:08.13
▲ 2.43
200 Free LCM
—
2:48.15
2:36.93
▲ 11.22
—
—
400 Free LCM
—
—
5:28.93
—
—
50 Back LCM
43.82
41.14
▲ 2.68
—
—
—
100 Back LCM
1:33.55
—
1:23.14
▲ 10.41
1:20.88
▲ 2.26
—
50 Breast LCM
50.62
45.98
▲ 4.64
42.23
▲ 3.75
42.07
▲ 0.16
40.25
▲ 1.82
100 Breast LCM
1:48.04
1:37.42
▲ 10.62
1:26.01
▲ 11.41
1:27.94
▼ 1.93
1:23.80
▲ 4.14
200 Breast LCM
—
3:25.52
3:06.06
▲ 19.46
3:05.90
▲ 0.16
3:00.80
▲ 5.10
50 Fly LCM
—
39.77
—
—
—
100 Fly LCM
—
1:32.25
—
—
1:20.11
▲ 12.14
200 IM LCM
3:23.03
3:05.12
▲ 17.91
2:46.76
▲ 18.36
2:49.29
▼ 2.53
2:50.54
▼ 1.25
400 IM LCM
—
—
—
6:01.33
—
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.