Swimmer profile
Derek Tien
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
39.49
35.98
▲ 3.51
32.80
▲ 3.18
30.04
▲ 2.76
29.68
▲ 0.36
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100 Free LCM
1:37.82
1:20.42
▲ 17.40
1:12.67
▲ 7.75
1:05.18
▲ 7.49
1:05.44
▼ 0.26
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200 Free LCM
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2:40.51
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2:24.89
▲ 15.62
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400 Free LCM
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5:09.00
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1500 Free LCM
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—
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18:50.85
50 Back LCM
53.64
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37.32
▲ 16.32
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100 Back LCM
1:44.34
1:36.98
▲ 7.36
1:23.57
▲ 13.41
1:15.58
▲ 7.99
1:15.05
▲ 0.53
1:07.33
▲ 7.72
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200 Back LCM
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2:46.50
2:39.66
▲ 6.84
2:32.93
▲ 6.73
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50 Breast LCM
1:03.01
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42.62
▲ 20.39
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35.24
▲ 7.38
31.89
▲ 3.35
100 Breast LCM
2:05.23
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1:33.97
▲ 31.26
1:22.09
▲ 11.88
1:17.87
▲ 4.22
1:11.82
▲ 6.05
1:08.80
▲ 3.02
200 Breast LCM
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2:59.92
2:53.56
▲ 6.36
2:42.96
▲ 10.60
2:39.89
▲ 3.07
50 Fly LCM
51.09
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35.01
▲ 16.08
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29.64
▲ 5.37
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100 Fly LCM
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1:35.86
1:18.96
▲ 16.90
1:10.34
▲ 8.62
1:08.59
▲ 1.75
1:02.91
▲ 5.68
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200 Fly LCM
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2:36.85
2:38.78
▼ 1.93
2:43.49
▼ 4.71
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200 IM LCM
3:42.12
3:16.58
▲ 25.54
2:49.85
▲ 26.73
2:43.70
▲ 6.15
2:40.09
▲ 3.61
2:25.16
▲ 14.93
2:26.27
▼ 1.11
400 IM LCM
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5:45.99
5:30.30
▲ 15.69
5:11.35
▲ 18.95
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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.