Swimmer profile
Kenna Pfeifer
Female17-18UnattachedMW · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
48.32
38.00
▲ 10.32
37.99
▲ 0.01
32.82
▲ 5.17
31.67
▲ 1.15
30.12
▲ 1.55
29.55
▲ 0.57
28.20
▲ 1.35
29.45
▼ 1.25
100 Free SCY
1:47.10
1:24.86
▲ 22.24
1:20.78
▲ 4.08
1:12.27
▲ 8.51
1:07.64
▲ 4.63
1:04.42
▲ 3.22
1:06.03
▼ 1.61
1:01.18
▲ 4.85
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200 Free SCY
—
3:00.60
2:51.73
▲ 8.87
2:31.24
▲ 20.49
2:21.72
▲ 9.52
2:17.84
▲ 3.88
—
2:11.49
▲ 6.35
2:17.75
▼ 6.26
500 Free SCY
—
—
—
6:52.92
6:30.94
▲ 21.98
6:01.88
▲ 29.06
5:53.23
▲ 8.65
5:48.38
▲ 4.85
6:01.04
▼ 12.66
1000 Free SCY
—
—
—
—
14:11.44
12:31.42
▲ 100.02
—
—
—
1650 Free SCY
—
—
—
—
23:15.40
—
—
—
—
50 Back SCY
1:00.35
48.91
▲ 11.44
41.42
▲ 7.49
34.89
▲ 6.53
34.03
▲ 0.86
—
33.28
▲ 0.75
—
—
100 Back SCY
—
1:45.86
1:28.87
▲ 16.99
1:18.02
▲ 10.85
1:18.12
▼ 0.10
1:10.91
▲ 7.21
1:10.80
▲ 0.11
—
—
200 Back SCY
—
—
—
2:48.56
2:45.12
▲ 3.44
2:30.46
▲ 14.66
—
—
—
50 Breast SCY
—
1:16.06
—
—
—
—
—
—
—
100 Breast SCY
—
—
1:50.42
—
1:41.35
▲ 9.07
—
—
—
1:28.38
▲ 12.97
200 Breast SCY
—
—
—
—
—
3:33.80
—
—
3:09.95
▲ 23.85
50 Fly SCY
—
53.70
—
38.99
▲ 14.71
—
33.88
▲ 5.11
—
—
—
200 Fly SCY
—
—
—
—
—
3:22.84
—
—
—
100 IM SCY
—
—
1:35.81
1:35.43
▲ 0.38
1:17.84
▲ 17.59
—
—
—
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200 IM SCY
—
—
3:21.23
—
—
—
2:38.02
▲ 43.21
2:36.09
▲ 1.93
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400 IM SCY
—
—
—
—
—
6:19.34
—
—
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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.