Swimmer profile
Efrosini Kerny
Female15-16Prime AquaticsSE · SOUTHERN
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
48.11
41.12
▲ 6.99
—
30.89
▲ 10.23
30.43
▲ 0.46
30.87
▼ 0.44
29.36
▲ 1.51
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—
100 Free LCM
1:54.13
1:36.27
▲ 17.86
1:22.01
▲ 14.26
1:13.63
▲ 8.38
1:11.53
▲ 2.10
—
1:05.04
▲ 6.49
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—
200 Free LCM
—
3:38.62
—
—
—
—
2:30.75
▲ 67.87
—
—
400 Free LCM
—
—
—
5:41.96
—
—
—
—
—
50 Back LCM
54.22
49.56
▲ 4.66
43.01
▲ 6.55
35.20
▲ 7.81
34.25
▲ 0.95
—
34.29
▼ 0.04
—
—
100 Back LCM
2:02.62
—
1:32.86
▲ 29.76
1:19.35
▲ 13.51
1:17.30
▲ 2.05
1:14.06
▲ 3.24
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—
—
200 Back LCM
—
—
—
—
2:49.43
—
—
—
—
50 Breast LCM
1:01.67
53.99
▲ 7.68
46.73
▲ 7.26
37.18
▲ 9.55
36.24
▲ 0.94
35.24
▲ 1.00
34.30
▲ 0.94
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—
100 Breast LCM
—
2:03.56
1:54.91
▲ 8.65
1:22.47
▲ 32.44
1:19.57
▲ 2.90
1:18.60
▲ 0.97
1:14.50
▲ 4.10
1:19.93
▼ 5.43
1:16.74
▲ 3.19
200 Breast LCM
—
—
—
3:05.00
3:08.05
▼ 3.05
2:54.07
▲ 13.98
2:46.22
▲ 7.85
2:55.74
▼ 9.52
2:47.64
▲ 8.10
50 Fly LCM
52.77
47.09
▲ 5.68
42.71
▲ 4.38
34.83
▲ 7.88
32.22
▲ 2.61
33.46
▼ 1.24
31.43
▲ 2.03
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—
100 Fly LCM
—
—
—
—
1:19.02
1:15.30
▲ 3.72
1:07.87
▲ 7.43
1:09.44
▼ 1.57
1:08.87
▲ 0.57
200 Fly LCM
—
—
—
3:14.50
—
—
—
2:39.49
▲ 35.01
2:35.03
▲ 4.46
200 IM LCM
—
4:01.95
3:30.37
▲ 31.58
—
2:41.54
▲ 48.83
2:51.84
▼ 10.30
2:35.36
▲ 16.48
2:40.73
▼ 5.37
2:35.76
▲ 4.97
400 IM LCM
—
—
—
6:05.31
5:58.81
▲ 6.50
5:57.29
▲ 1.52
5:28.39
▲ 28.90
—
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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.