Swimmer profile
Katherine Underwood
Female13-14Birmingham Swim LeagueSE · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
43.73
41.91
▲ 1.82
36.92
▲ 4.99
38.02
▼ 1.10
33.82
▲ 4.20
31.77
▲ 2.05
100 Free LCM
1:43.87
1:32.22
▲ 11.65
1:29.73
▲ 2.49
1:24.74
▲ 4.99
1:15.60
▲ 9.14
1:09.31
▲ 6.29
200 Free LCM
3:39.85
3:25.76
▲ 14.09
3:18.97
▲ 6.79
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2:36.22
▲ 42.75
400 Free LCM
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—
—
6:44.33
5:52.85
▲ 51.48
5:41.03
▲ 11.82
50 Back LCM
1:01.50
50.41
▲ 11.09
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100 Back LCM
2:11.48
1:54.43
▲ 17.05
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—
1:36.54
▲ 17.89
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50 Breast LCM
1:01.29
54.26
▲ 7.03
49.37
▲ 4.89
47.66
▲ 1.71
43.31
▲ 4.35
42.16
▲ 1.15
100 Breast LCM
2:15.98
2:04.55
▲ 11.43
1:52.71
▲ 11.84
1:46.10
▲ 6.61
1:37.63
▲ 8.47
1:29.90
▲ 7.73
200 Breast LCM
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3:52.10
3:31.57
▲ 20.53
3:24.50
▲ 7.07
50 Fly LCM
1:00.33
55.12
▲ 5.21
51.56
▲ 3.56
50.34
▲ 1.22
42.31
▲ 8.03
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100 Fly LCM
2:12.94
2:04.62
▲ 8.32
1:57.15
▲ 7.47
1:56.47
▲ 0.68
1:46.48
▲ 9.99
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200 IM LCM
4:30.50
3:51.24
▲ 39.26
3:46.85
▲ 4.39
3:36.76
▲ 10.09
3:13.65
▲ 23.11
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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.