Swimmer profile
Roger Zhang
Male15-16TAC TitansNC · SOUTHERN
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
48.77
42.82
▲ 5.95
34.04
▲ 8.78
30.75
▲ 3.29
29.00
▲ 1.75
28.09
▲ 0.91
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100 Free LCM
1:45.72
1:33.94
▲ 11.78
1:16.77
▲ 17.17
1:08.88
▲ 7.89
1:02.65
▲ 6.23
59.30
▲ 3.35
1:00.39
▼ 1.09
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200 Free LCM
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3:20.98
2:39.58
▲ 41.40
2:24.34
▲ 15.24
2:14.54
▲ 9.80
2:10.33
▲ 4.21
2:11.83
▼ 1.50
2:12.62
▼ 0.79
400 Free LCM
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4:56.06
4:49.25
▲ 6.81
4:39.07
▲ 10.18
4:38.51
▲ 0.56
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800 Free LCM
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—
—
—
9:47.30
9:26.45
▲ 20.85
9:21.79
▲ 4.66
9:31.55
▼ 9.76
1500 Free LCM
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—
—
18:59.59
18:05.64
▲ 53.95
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50 Back LCM
57.20
51.35
▲ 5.85
39.29
▲ 12.06
37.09
▲ 2.20
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100 Back LCM
1:59.79
1:51.89
▲ 7.90
1:24.14
▲ 27.75
1:22.68
▲ 1.46
1:18.28
▲ 4.40
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200 Back LCM
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—
2:43.21
2:43.26
▼ 0.05
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50 Breast LCM
57.54
53.88
▲ 3.66
41.77
▲ 12.11
37.83
▲ 3.94
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—
36.05
▲ 1.78
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100 Breast LCM
2:07.12
1:56.26
▲ 10.86
1:30.48
▲ 25.78
1:21.21
▲ 9.27
1:19.60
▲ 1.61
1:12.33
▲ 7.27
1:12.70
▼ 0.37
1:12.00
▲ 0.70
200 Breast LCM
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3:19.96
2:55.51
▲ 24.45
2:47.91
▲ 7.60
2:38.93
▲ 8.98
2:41.07
▼ 2.14
2:39.81
▲ 1.26
50 Fly LCM
1:00.20
49.56
▲ 10.64
35.88
▲ 13.68
32.21
▲ 3.67
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100 Fly LCM
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1:15.30
1:10.63
▲ 4.67
1:05.30
▲ 5.33
1:02.07
▲ 3.23
1:00.78
▲ 1.29
200 Fly LCM
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2:44.72
2:25.73
▲ 18.99
2:21.67
▲ 4.06
2:18.43
▲ 3.24
200 IM LCM
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2:49.24
2:37.13
▲ 12.11
2:28.74
▲ 8.39
2:24.75
▲ 3.99
2:22.24
▲ 2.51
2:20.81
▲ 1.43
400 IM LCM
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5:35.80
5:32.19
▲ 3.61
5:09.42
▲ 22.77
5:10.02
▼ 0.60
5:07.66
▲ 2.36
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.