Swimmer profile
Katherine Underwood
Female13-14Birmingham Swim LeagueSE · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
50.38
40.22
▲ 10.16
36.04
▲ 4.18
36.29
▼ 0.25
33.12
▲ 3.17
30.14
▲ 2.98
27.75
▲ 2.39
100 Free SCY
1:43.66
1:31.68
▲ 11.98
1:27.48
▲ 4.20
1:20.44
▲ 7.04
1:14.17
▲ 6.27
1:09.07
▲ 5.10
1:00.21
▲ 8.86
200 Free SCY
3:57.90
—
3:04.63
▲ 53.27
2:57.14
▲ 7.49
2:52.13
▲ 5.01
—
2:14.22
▲ 37.91
500 Free SCY
—
—
—
—
7:18.11
6:31.40
▲ 46.71
6:20.35
▲ 11.05
1000 Free SCY
—
—
—
—
—
—
13:46.76
50 Back SCY
1:10.07
51.50
▲ 18.57
46.02
▲ 5.48
47.36
▼ 1.34
—
—
—
100 Back SCY
2:20.57
—
1:42.93
▲ 37.64
—
—
—
—
25 Breast SCY
—
—
—
—
—
19.14
—
50 Breast SCY
1:11.91
59.94
▲ 11.97
47.83
▲ 12.11
45.90
▲ 1.93
43.30
▲ 2.60
39.44
▲ 3.86
36.56
▲ 2.88
100 Breast SCY
2:47.09
2:11.02
▲ 36.07
1:50.04
▲ 20.98
1:41.67
▲ 8.37
1:33.67
▲ 8.00
1:27.63
▲ 6.04
1:19.00
▲ 8.63
200 Breast SCY
—
—
—
—
—
—
2:51.47
25 Fly SCY
—
—
—
—
—
17.62
—
50 Fly SCY
1:01.08
1:05.38
▼ 4.30
45.90
▲ 19.48
46.50
▼ 0.60
39.93
▲ 6.57
36.30
▲ 3.63
—
100 Fly SCY
—
—
—
1:49.74
1:32.92
▲ 16.82
—
1:30.09
▲ 2.83
100 IM SCY
2:04.80
1:45.03
▲ 19.77
1:38.31
▲ 6.72
1:31.92
▲ 6.39
1:24.81
▲ 7.11
1:17.15
▲ 7.66
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200 IM SCY
—
4:11.10
3:34.15
▲ 36.95
3:16.87
▲ 17.28
3:06.19
▲ 10.68
—
2:38.83
▲ 27.36
400 IM SCY
—
—
—
—
—
—
5:33.64
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.