Swimmer profile
Kenna Pfeifer
Female17-18UnattachedMW · CENTRAL
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
45.93
42.29
▲ 3.64
—
33.81
▲ 8.48
33.23
▲ 0.58
—
33.47
▼ 0.24
34.34
▼ 0.87
100 Free LCM
—
1:32.38
—
1:16.00
▲ 16.38
1:14.37
▲ 1.63
1:12.87
▲ 1.50
1:12.26
▲ 0.61
1:17.75
▼ 5.49
200 Free LCM
—
3:17.68
2:51.12
▲ 26.56
2:38.11
▲ 13.01
2:40.47
▼ 2.36
2:46.42
▼ 5.95
2:35.09
▲ 11.33
2:46.90
▼ 11.81
400 Free LCM
—
—
6:05.81
5:37.89
▲ 27.92
5:56.91
▼ 19.02
5:44.16
▲ 12.75
5:22.05
▲ 22.11
5:37.89
▼ 15.84
800 Free LCM
—
—
—
12:37.52
11:51.93
▲ 45.59
11:21.80
▲ 30.13
10:57.05
▲ 24.75
11:37.71
▼ 40.66
1500 Free LCM
—
—
—
27:31.40
—
24:21.98
▲ 189.42
21:29.93
▲ 172.05
—
50 Back LCM
1:04.78
51.59
▲ 13.19
40.41
▲ 11.18
43.22
▼ 2.81
—
41.52
▲ 1.70
—
43.30
▼ 1.78
100 Back LCM
—
1:57.37
1:29.24
▲ 28.13
1:28.66
▲ 0.58
1:25.06
▲ 3.60
1:31.48
▼ 6.42
—
—
200 Back LCM
—
—
3:16.04
3:17.25
▼ 1.21
2:57.49
▲ 19.76
—
—
—
50 Breast LCM
—
1:02.90
—
—
—
—
—
48.37
▲ 14.53
100 Breast LCM
—
—
—
—
1:50.25
—
—
—
50 Fly LCM
1:07.58
—
47.11
▲ 20.47
—
40.30
▲ 6.81
—
—
42.92
▼ 2.62
100 Fly LCM
—
—
—
—
1:43.50
—
—
—
200 Fly LCM
—
—
—
4:13.48
3:54.24
▲ 19.24
—
3:34.49
▲ 19.75
—
200 IM LCM
5:10.35
4:06.38
▲ 63.97
3:27.44
▲ 38.94
—
3:12.75
▲ 14.69
—
—
—
400 IM LCM
—
—
—
—
6:49.97
—
—
—
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.