Swimmer profile
Sienna Lefeber
FemaleOpen / SeniorBend Swim ClubOR · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
39.10
36.64
▲ 2.46
34.52
▲ 2.12
32.37
▲ 2.15
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—
28.67
▲ 3.70
29.47
▼ 0.80
29.16
▲ 0.31
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100 Free LCM
1:31.71
1:26.88
▲ 4.83
1:15.76
▲ 11.12
1:08.36
▲ 7.40
1:04.38
▲ 3.98
1:02.77
▲ 1.61
1:02.81
▼ 0.04
1:05.21
▼ 2.40
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—
200 Free LCM
3:12.46
3:02.23
▲ 10.23
2:42.11
▲ 20.12
2:30.79
▲ 11.32
2:21.72
▲ 9.07
2:24.03
▼ 2.31
2:16.61
▲ 7.42
2:19.10
▼ 2.49
2:16.20
▲ 2.90
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400 Free LCM
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—
—
5:14.18
5:05.39
▲ 8.79
4:51.92
▲ 13.47
4:44.71
▲ 7.21
4:44.83
▼ 0.12
4:45.94
▼ 1.11
5:03.07
▼ 17.13
800 Free LCM
—
—
—
—
10:16.65
10:16.83
▼ 0.18
9:48.52
▲ 28.31
9:34.86
▲ 13.66
9:51.84
▼ 16.98
10:00.43
▼ 8.59
1500 Free LCM
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—
—
—
—
—
—
19:02.11
18:37.36
▲ 24.75
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50 Back LCM
46.54
41.95
▲ 4.59
41.46
▲ 0.49
40.19
▲ 1.27
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—
—
—
—
—
100 Back LCM
1:39.79
1:32.52
▲ 7.27
1:23.11
▲ 9.41
1:22.76
▲ 0.35
1:20.41
▲ 2.35
—
1:11.56
▲ 8.85
1:10.24
▲ 1.32
1:10.54
▼ 0.30
1:11.35
▼ 0.81
200 Back LCM
—
—
—
2:56.08
2:41.99
▲ 14.09
—
2:38.46
▲ 3.53
2:38.84
▼ 0.38
2:36.09
▲ 2.75
2:36.54
▼ 0.45
50 Breast LCM
59.38
53.18
▲ 6.20
49.92
▲ 3.26
46.81
▲ 3.11
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—
—
—
—
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100 Breast LCM
2:04.68
1:57.45
▲ 7.23
1:43.26
▲ 14.19
1:37.55
▲ 5.71
1:30.84
▲ 6.71
—
1:31.54
▼ 0.70
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200 Breast LCM
—
—
—
—
3:13.53
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—
—
—
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50 Fly LCM
45.12
43.07
▲ 2.05
39.42
▲ 3.65
36.91
▲ 2.51
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—
—
—
—
32.29
▲ 4.62
100 Fly LCM
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1:38.95
1:30.52
▲ 8.43
1:19.37
▲ 11.15
1:17.18
▲ 2.19
1:11.50
▲ 5.68
1:11.12
▲ 0.38
1:10.49
▲ 0.63
1:07.65
▲ 2.84
1:09.29
▼ 1.64
200 Fly LCM
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—
—
—
—
2:44.09
2:43.39
▲ 0.70
2:33.77
▲ 9.62
2:34.98
▼ 1.21
2:32.16
▲ 2.82
200 IM LCM
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3:20.05
3:00.35
▲ 19.70
2:52.63
▲ 7.72
2:42.85
▲ 9.78
—
2:38.18
▲ 4.67
2:41.09
▼ 2.91
—
2:47.40
▼ 6.31
400 IM LCM
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—
—
—
5:42.89
—
5:50.51
▼ 7.62
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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.