Swimmer profile
Matthew Chang
Male15-16Rose Bowl AquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
49.74
—
33.87
▲ 15.87
31.01
▲ 2.86
30.43
▲ 0.58
30.46
▼ 0.03
28.60
▲ 1.86
100 Free LCM
1:51.29
—
1:13.62
▲ 37.67
1:06.26
▲ 7.36
1:05.67
▲ 0.59
1:05.85
▼ 0.18
—
200 Free LCM
—
3:04.80
2:39.15
▲ 25.65
2:22.14
▲ 17.01
—
—
—
400 Free LCM
—
—
—
4:58.65
5:03.90
▼ 5.25
5:01.65
▲ 2.25
—
800 Free LCM
—
—
—
—
10:28.23
10:03.17
▲ 25.06
—
1500 Free LCM
—
—
—
—
—
19:19.94
—
50 Back LCM
57.86
—
39.28
▲ 18.58
—
35.58
▲ 3.70
—
—
100 Back LCM
—
—
1:22.09
1:18.42
▲ 3.67
1:16.23
▲ 2.19
1:15.35
▲ 0.88
—
200 Back LCM
—
—
—
—
2:43.92
2:38.73
▲ 5.19
—
50 Breast LCM
1:02.33
52.35
▲ 9.98
42.12
▲ 10.23
—
35.97
▲ 6.15
36.11
▼ 0.14
32.77
▲ 3.34
100 Breast LCM
2:16.34
—
1:32.40
▲ 43.94
1:22.47
▲ 9.93
1:18.97
▲ 3.50
1:11.03
▲ 7.94
1:11.50
▼ 0.47
200 Breast LCM
—
—
—
2:58.07
2:50.13
▲ 7.94
2:33.45
▲ 16.68
2:31.09
▲ 2.36
50 Fly LCM
1:07.28
47.69
▲ 19.59
37.45
▲ 10.24
—
—
31.39
▲ 6.06
29.68
▲ 1.71
100 Fly LCM
—
—
—
1:19.12
1:13.74
▲ 5.38
1:10.36
▲ 3.38
—
200 Fly LCM
—
—
—
2:51.38
2:45.35
▲ 6.03
—
—
200 IM LCM
—
3:29.96
3:01.98
▲ 27.98
2:44.47
▲ 17.51
2:42.75
▲ 1.72
2:36.84
▲ 5.91
2:22.00
▲ 14.84
400 IM LCM
—
—
—
5:42.72
5:28.11
▲ 14.61
5:10.92
▲ 17.19
5:05.48
▲ 5.44
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.