Swimmer profile
Derek Zhang
MaleOpen / SeniorTrojan Swim ClubSCS · WESTERNCollege athlete · University of Southern CaliforniaD1
SeasonUSA Swimming season runs Sept – Aug
Event
2011–12
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
50 Free LCM
48.55
37.16
▲ 11.39
33.69
▲ 3.47
33.11
▲ 0.58
30.30
▲ 2.81
28.84
▲ 1.46
27.50
▲ 1.34
25.78
▲ 1.72
—
24.93
▲ 0.85
24.19
▲ 0.74
—
100 Free LCM
1:38.09
1:19.76
▲ 18.33
1:15.61
▲ 4.15
1:09.67
▲ 5.94
1:06.30
▲ 3.37
1:01.68
▲ 4.62
57.06
▲ 4.62
54.73
▲ 2.33
—
54.25
▲ 0.48
55.66
▼ 1.41
58.03
▼ 2.37
200 Free LCM
—
2:56.06
2:40.58
▲ 15.48
2:33.21
▲ 7.37
2:25.22
▲ 7.99
2:14.21
▲ 11.01
2:08.45
▲ 5.76
2:04.50
▲ 3.95
—
2:05.82
▼ 1.32
—
—
400 Free LCM
—
—
—
—
5:06.42
4:56.68
▲ 9.74
4:34.95
▲ 21.73
4:39.13
▼ 4.18
—
—
—
—
800 Free LCM
—
—
—
—
—
—
9:43.84
—
—
—
—
—
50 Back LCM
59.97
42.85
▲ 17.12
40.31
▲ 2.54
36.02
▲ 4.29
32.78
▲ 3.24
31.98
▲ 0.80
—
29.46
▲ 2.52
—
29.33
▲ 0.13
—
27.33
▲ 2.00
100 Back LCM
—
1:33.49
1:23.86
▲ 9.63
1:17.40
▲ 6.46
1:13.17
▲ 4.23
1:08.99
▲ 4.18
1:04.51
▲ 4.48
1:01.53
▲ 2.98
1:01.27
▲ 0.26
1:01.07
▲ 0.20
59.00
▲ 2.07
58.88
▲ 0.12
200 Back LCM
—
—
—
—
2:39.43
2:32.15
▲ 7.28
2:21.23
▲ 10.92
2:15.36
▲ 5.87
2:15.19
▲ 0.17
2:19.49
▼ 4.30
—
2:17.03
▲ 2.46
50 Breast LCM
1:00.15
1:01.55
▼ 1.40
52.94
▲ 8.61
—
45.63
▲ 7.31
40.64
▲ 4.99
—
38.40
▲ 2.24
—
—
—
—
100 Breast LCM
—
—
—
—
1:37.92
1:33.39
▲ 4.53
1:27.12
▲ 6.27
1:23.31
▲ 3.81
—
—
—
—
200 Breast LCM
—
—
—
—
—
—
3:04.78
3:00.99
▲ 3.79
—
—
—
—
50 Fly LCM
—
38.91
37.61
▲ 1.30
35.00
▲ 2.61
32.42
▲ 2.58
29.92
▲ 2.50
—
29.30
▲ 0.62
—
—
—
—
100 Fly LCM
—
1:28.62
1:25.55
▲ 3.07
1:21.34
▲ 4.21
1:12.09
▲ 9.25
1:06.10
▲ 5.99
1:01.96
▲ 4.14
59.01
▲ 2.95
—
57.41
▲ 1.60
56.33
▲ 1.08
56.46
▼ 0.13
200 Fly LCM
—
—
—
—
2:53.25
—
2:21.47
▲ 31.78
2:13.80
▲ 7.67
—
2:13.88
▼ 0.08
—
—
200 IM LCM
—
3:40.02
3:04.32
▲ 35.70
2:55.86
▲ 8.46
2:43.56
▲ 12.30
2:41.05
▲ 2.51
2:23.48
▲ 17.57
2:25.71
▼ 2.23
—
2:27.41
▼ 1.70
—
—
400 IM LCM
—
—
—
—
—
5:30.14
5:17.46
▲ 12.68
—
—
5:11.76
▲ 5.70
—
—
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.