Swimmer profile
Langston Duncan
Male17-18Eagle Swim Team Inc.IL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
37.57
32.94
▲ 4.63
28.91
▲ 4.03
25.61
▲ 3.30
24.43
▲ 1.18
24.10
▲ 0.33
23.87
▲ 0.23
23.69
▲ 0.18
24.21
▼ 0.52
100 Free LCM
1:28.62
1:16.15
▲ 12.47
1:05.45
▲ 10.70
57.31
▲ 8.14
54.26
▲ 3.05
54.64
▼ 0.38
53.07
▲ 1.57
52.92
▲ 0.15
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200 Free LCM
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—
2:27.19
2:11.61
▲ 15.58
2:07.71
▲ 3.90
2:06.36
▲ 1.35
2:02.39
▲ 3.97
2:04.22
▼ 1.83
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400 Free LCM
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—
—
4:40.46
4:54.42
▼ 13.96
4:41.44
▲ 12.98
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—
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50 Back LCM
45.91
42.45
▲ 3.46
40.72
▲ 1.73
—
—
28.99
▲ 11.73
27.42
▲ 1.57
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100 Back LCM
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1:32.53
1:24.59
▲ 7.94
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1:05.18
▲ 19.41
1:01.34
▲ 3.84
1:00.89
▲ 0.45
1:03.86
▼ 2.97
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200 Back LCM
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—
—
2:38.72
2:29.35
▲ 9.37
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2:22.10
▲ 7.25
2:20.80
▲ 1.30
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50 Breast LCM
58.85
—
46.25
▲ 12.60
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—
—
—
—
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100 Breast LCM
2:07.42
1:55.02
▲ 12.40
1:44.46
▲ 10.56
1:29.35
▲ 15.11
1:27.54
▲ 1.81
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200 Breast LCM
—
—
3:36.26
—
3:11.21
▲ 25.05
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50 Fly LCM
38.06
33.48
▲ 4.58
30.84
▲ 2.64
26.63
▲ 4.21
25.59
▲ 1.04
25.50
▲ 0.09
24.62
▲ 0.88
24.25
▲ 0.37
24.84
▼ 0.59
100 Fly LCM
1:38.79
1:26.19
▲ 12.60
1:14.46
▲ 11.73
1:00.45
▲ 14.01
57.78
▲ 2.67
56.71
▲ 1.07
55.00
▲ 1.71
55.07
▼ 0.07
58.14
▼ 3.07
200 Fly LCM
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—
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2:34.17
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2:24.38
▲ 9.79
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200 IM LCM
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3:11.32
2:55.98
▲ 15.34
2:30.17
▲ 25.81
2:28.48
▲ 1.69
2:24.44
▲ 4.04
2:19.49
▲ 4.95
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400 IM LCM
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—
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5:26.78
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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.