Swimmer profile
Derek Tien
Male15-16Rose Bowl AquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
35.75
35.72
▲ 0.03
32.06
▲ 3.66
29.09
▲ 2.97
26.72
▲ 2.37
25.37
▲ 1.35
24.70
▲ 0.67
24.67
▲ 0.03
100 Free SCY
1:26.53
1:17.09
▲ 9.44
1:08.57
▲ 8.52
1:03.07
▲ 5.50
1:01.97
▲ 1.10
55.58
▲ 6.39
54.54
▲ 1.04
53.47
▲ 1.07
200 Free SCY
—
2:52.93
—
2:25.95
▲ 26.98
2:18.34
▲ 7.61
2:04.91
▲ 13.43
—
1:56.20
▲ 8.71
500 Free SCY
—
—
—
—
6:04.73
—
—
5:12.21
▲ 52.52
1000 Free SCY
—
—
—
—
12:47.34
—
—
10:19.48
▲ 147.86
1650 Free SCY
—
—
—
—
—
—
—
17:04.31
50 Back SCY
46.38
41.27
▲ 5.11
—
33.51
▲ 7.76
—
—
—
—
100 Back SCY
1:38.47
1:26.49
▲ 11.98
—
1:12.77
▲ 13.72
1:12.08
▲ 0.69
1:05.38
▲ 6.70
59.38
▲ 6.00
1:00.35
▼ 0.97
200 Back SCY
—
—
—
—
2:27.77
—
2:21.36
▲ 6.41
2:10.83
▲ 10.53
50 Breast SCY
52.90
45.54
▲ 7.36
42.17
▲ 3.37
38.84
▲ 3.33
36.10
▲ 2.74
—
32.48
▲ 3.62
28.49
▲ 3.99
100 Breast SCY
—
—
—
1:19.99
1:14.94
▲ 5.05
1:08.17
▲ 6.77
1:01.77
▲ 6.40
1:00.30
▲ 1.47
200 Breast SCY
—
—
—
—
2:42.94
2:30.29
▲ 12.65
2:13.29
▲ 17.00
2:13.17
▲ 0.12
50 Fly SCY
45.05
35.48
▲ 9.57
35.13
▲ 0.35
32.07
▲ 3.06
30.54
▲ 1.53
—
—
26.24
▲ 4.30
100 Fly SCY
1:40.44
1:27.38
▲ 13.06
—
1:12.94
▲ 14.44
1:03.17
▲ 9.77
59.86
▲ 3.31
56.20
▲ 3.66
55.36
▲ 0.84
200 Fly SCY
—
—
—
—
2:30.57
2:16.57
▲ 14.00
—
2:10.12
▲ 6.45
100 IM SCY
1:34.13
1:26.64
▲ 7.49
1:19.38
▲ 7.26
1:13.69
▲ 5.69
1:09.64
▲ 4.05
—
—
—
200 IM SCY
—
2:58.20
2:53.73
▲ 4.47
2:39.40
▲ 14.33
2:32.58
▲ 6.82
2:15.35
▲ 17.23
2:04.91
▲ 10.44
2:03.47
▲ 1.44
400 IM SCY
—
—
—
—
5:02.08
4:46.35
▲ 15.73
4:42.61
▲ 3.74
4:33.14
▲ 9.47
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.