Swimmer profile
Derek Feng
Male15-16Shawmut Aquatic ClubNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.79
31.78
▲ 8.01
30.16
▲ 1.62
29.29
▲ 0.87
27.95
▲ 1.34
27.02
▲ 0.93
26.35
▲ 0.67
100 Free LCM
1:31.63
1:11.76
▲ 19.87
1:06.31
▲ 5.45
1:05.98
▲ 0.33
1:00.34
▲ 5.64
58.76
▲ 1.58
—
200 Free LCM
3:32.22
2:40.27
▲ 51.95
2:29.87
▲ 10.40
2:23.95
▲ 5.92
2:11.81
▲ 12.14
2:09.27
▲ 2.54
2:03.68
▲ 5.59
400 Free LCM
—
—
5:26.06
5:08.80
▲ 17.26
—
4:42.83
▲ 25.97
—
50 Back LCM
48.21
37.16
▲ 11.05
34.99
▲ 2.17
34.55
▲ 0.44
32.74
▲ 1.81
30.59
▲ 2.15
28.71
▲ 1.88
100 Back LCM
1:43.83
1:21.31
▲ 22.52
1:14.70
▲ 6.61
1:11.19
▲ 3.51
1:08.20
▲ 2.99
1:04.58
▲ 3.62
1:01.46
▲ 3.12
200 Back LCM
—
—
2:40.09
2:36.50
▲ 3.59
2:27.28
▲ 9.22
2:22.27
▲ 5.01
2:16.70
▲ 5.57
50 Breast LCM
58.33
46.98
▲ 11.35
41.42
▲ 5.56
43.06
▼ 1.64
—
33.43
▲ 9.63
34.01
▼ 0.58
100 Breast LCM
2:04.07
—
1:30.80
▲ 33.27
1:31.27
▼ 0.47
1:23.34
▲ 7.93
1:13.84
▲ 9.50
1:17.98
▼ 4.14
200 Breast LCM
—
—
3:11.06
3:18.11
▼ 7.05
—
2:40.37
▲ 37.74
—
50 Fly LCM
53.09
36.39
▲ 16.70
30.93
▲ 5.46
30.61
▲ 0.32
30.08
▲ 0.53
28.83
▲ 1.25
27.09
▲ 1.74
100 Fly LCM
—
1:32.27
1:11.23
▲ 21.04
1:13.06
▼ 1.83
1:08.14
▲ 4.92
1:04.60
▲ 3.54
1:00.74
▲ 3.86
200 Fly LCM
—
—
3:10.93
—
2:52.93
▲ 18.00
—
—
200 IM LCM
—
3:12.11
2:40.43
▲ 31.68
2:43.96
▼ 3.53
2:28.12
▲ 15.84
2:23.23
▲ 4.89
2:17.58
▲ 5.65
400 IM LCM
—
—
5:49.27
5:48.34
▲ 0.93
5:24.97
▲ 23.37
5:16.61
▲ 8.36
—
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.