Swimmer profile
Derek Liu
Male15-16Charles River AquaticsNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.39
32.91
▲ 2.48
32.13
▲ 0.78
—
29.47
▲ 2.66
—
27.45
▲ 2.02
27.36
▲ 0.09
100 Free LCM
1:18.27
1:11.01
▲ 7.26
1:09.77
▲ 1.24
1:06.11
▲ 3.66
1:00.29
▲ 5.82
59.95
▲ 0.34
59.91
▲ 0.04
1:00.84
▼ 0.93
200 Free LCM
2:55.95
2:34.83
▲ 21.12
2:28.54
▲ 6.29
—
2:08.72
▲ 19.82
2:03.64
▲ 5.08
2:10.36
▼ 6.72
2:08.56
▲ 1.80
400 Free LCM
—
5:40.82
5:23.70
▲ 17.12
—
4:45.65
▲ 38.05
4:26.98
▲ 18.67
4:25.27
▲ 1.71
4:21.84
▲ 3.43
800 Free LCM
—
—
—
—
9:35.58
9:11.31
▲ 24.27
8:59.71
▲ 11.60
—
1500 Free LCM
—
—
—
—
18:39.19
17:47.64
▲ 51.55
17:45.31
▲ 2.33
—
50 Back LCM
45.81
39.82
▲ 5.99
—
—
—
—
—
—
100 Back LCM
1:38.89
1:24.41
▲ 14.48
1:22.87
▲ 1.54
1:15.97
▲ 6.90
1:11.10
▲ 4.87
1:11.04
▲ 0.06
1:09.96
▲ 1.08
—
200 Back LCM
—
—
2:51.03
2:48.19
▲ 2.84
2:29.19
▲ 19.00
2:32.26
▼ 3.07
2:31.29
▲ 0.97
—
50 Breast LCM
55.51
49.15
▲ 6.36
—
—
—
—
—
—
100 Breast LCM
1:55.62
1:45.88
▲ 9.74
—
—
1:27.49
▲ 18.39
—
—
—
200 Breast LCM
—
—
—
—
3:04.49
3:05.54
▼ 1.05
—
—
50 Fly LCM
39.80
37.51
▲ 2.29
—
—
—
—
27.76
▲ 9.75
27.88
▼ 0.12
100 Fly LCM
1:26.01
1:21.57
▲ 4.44
1:14.45
▲ 7.12
1:13.35
▲ 1.10
1:07.05
▲ 6.30
1:02.13
▲ 4.92
59.49
▲ 2.64
59.77
▼ 0.28
200 Fly LCM
—
—
2:39.88
2:38.19
▲ 1.69
2:18.79
▲ 19.40
2:13.07
▲ 5.72
2:09.00
▲ 4.07
2:07.66
▲ 1.34
200 IM LCM
3:20.05
2:56.08
▲ 23.97
2:48.88
▲ 7.20
2:51.36
▼ 2.48
2:27.88
▲ 23.48
2:25.61
▲ 2.27
2:25.80
▼ 0.19
2:19.29
▲ 6.51
400 IM LCM
—
—
5:59.50
—
5:08.93
▲ 50.57
5:02.74
▲ 6.19
5:04.22
▼ 1.48
4:46.74
▲ 17.48
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.