Swimmer profile
Katrina Kollin
FemaleOpen / SeniorDublin Community Swim TeamOH · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
44.35
38.07
▲ 6.28
32.95
▲ 5.12
30.32
▲ 2.63
27.73
▲ 2.59
26.50
▲ 1.23
25.46
▲ 1.04
25.59
▼ 0.13
25.59
± 0.00
25.17
▲ 0.42
—
100 Free SCY
1:36.75
1:27.28
▲ 9.47
1:16.28
▲ 11.00
1:05.46
▲ 10.82
1:00.14
▲ 5.32
56.79
▲ 3.35
54.32
▲ 2.47
53.85
▲ 0.47
53.59
▲ 0.26
53.52
▲ 0.07
51.67
▲ 1.85
200 Free SCY
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3:05.41
2:47.78
▲ 17.63
2:21.48
▲ 26.30
2:11.10
▲ 10.38
2:00.46
▲ 10.64
1:55.95
▲ 4.51
1:51.84
▲ 4.11
1:51.24
▲ 0.60
1:49.80
▲ 1.44
1:49.28
▲ 0.52
500 Free SCY
—
—
7:47.34
6:26.04
▲ 81.30
5:50.21
▲ 35.83
5:22.68
▲ 27.53
5:07.77
▲ 14.91
5:03.71
▲ 4.06
4:57.63
▲ 6.08
4:52.72
▲ 4.91
4:53.29
▼ 0.57
1000 Free SCY
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—
—
—
12:14.19
—
—
—
—
—
10:14.77
▲ 119.42
1650 Free SCY
—
—
—
—
—
—
18:15.75
—
—
—
17:05.08
▲ 70.67
50 Back SCY
46.83
41.46
▲ 5.37
35.26
▲ 6.20
33.33
▲ 1.93
—
—
—
29.24
▲ 4.09
29.07
▲ 0.17
28.67
▲ 0.40
—
100 Back SCY
1:43.84
1:32.11
▲ 11.73
1:20.50
▲ 11.61
1:13.92
▲ 6.58
1:07.67
▲ 6.25
1:02.06
▲ 5.61
1:00.74
▲ 1.32
1:00.99
▼ 0.25
1:00.76
▲ 0.23
1:00.10
▲ 0.66
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200 Back SCY
—
—
2:56.21
2:41.04
▲ 15.17
2:27.68
▲ 13.36
2:14.69
▲ 12.99
2:13.44
▲ 1.25
2:11.69
▲ 1.75
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—
—
50 Breast SCY
1:01.35
53.60
▲ 7.75
46.82
▲ 6.78
45.08
▲ 1.74
41.64
▲ 3.44
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—
—
—
35.63
▲ 6.01
—
100 Breast SCY
—
1:51.78
1:43.84
▲ 7.94
1:36.93
▲ 6.91
1:27.44
▲ 9.49
—
—
—
1:17.74
▲ 9.70
1:16.23
▲ 1.51
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200 Breast SCY
—
—
—
—
3:05.05
—
—
—
—
—
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50 Fly SCY
46.77
39.48
▲ 7.29
39.11
▲ 0.37
33.32
▲ 5.79
31.82
▲ 1.50
—
—
—
28.33
▲ 3.49
—
—
100 Fly SCY
1:45.27
1:30.61
▲ 14.66
1:32.37
▼ 1.76
1:17.42
▲ 14.95
1:10.61
▲ 6.81
1:06.48
▲ 4.13
1:02.30
▲ 4.18
1:00.89
▲ 1.41
1:00.13
▲ 0.76
59.42
▲ 0.71
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200 Fly SCY
—
—
—
—
—
—
—
—
2:08.09
2:07.70
▲ 0.39
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100 IM SCY
1:45.10
1:42.68
▲ 2.42
1:28.24
▲ 14.44
1:17.50
▲ 10.74
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—
—
—
—
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200 IM SCY
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3:36.10
3:11.67
▲ 24.43
2:47.94
▲ 23.73
2:31.35
▲ 16.59
2:24.03
▲ 7.32
2:23.61
▲ 0.42
2:15.42
▲ 8.19
—
2:12.39
▲ 3.03
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400 IM SCY
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—
—
—
—
5:07.16
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—
—
—
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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.