Swimmer profile
John Kroll
MaleOpen / SeniorMecklenburg Swim AssociationIN · CENTRALCollege athlete · University of Notre DameD1
SeasonUSA Swimming season runs Sept – Aug
Event
2013–14
2014–15
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
32.83
30.89
▲ 1.94
28.44
▲ 2.45
27.28
▲ 1.16
25.70
▲ 1.58
24.84
▲ 0.86
22.99
▲ 1.85
21.96
▲ 1.03
21.61
▲ 0.35
20.71
▲ 0.90
20.35
▲ 0.36
20.28
▲ 0.07
21.05
▼ 0.77
100 Free SCY
1:40.38
1:13.25
▲ 27.13
1:03.05
▲ 10.20
1:00.98
▲ 2.07
57.97
▲ 3.01
55.16
▲ 2.81
50.82
▲ 4.34
48.76
▲ 2.06
48.05
▲ 0.71
45.39
▲ 2.66
44.84
▲ 0.55
45.05
▼ 0.21
46.32
▼ 1.27
200 Free SCY
—
2:41.20
2:32.13
▲ 9.07
2:17.51
▲ 14.62
2:10.79
▲ 6.72
2:02.34
▲ 8.45
1:56.57
▲ 5.77
1:49.41
▲ 7.16
1:46.07
▲ 3.34
1:45.79
▲ 0.28
1:41.12
▲ 4.67
1:42.67
▼ 1.55
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500 Free SCY
—
7:27.87
6:32.66
▲ 55.21
—
5:29.76
▲ 62.90
5:40.47
▼ 10.71
5:08.41
▲ 32.06
5:08.46
▼ 0.05
—
—
4:53.82
▲ 14.64
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—
1000 Free SCY
—
—
—
—
—
—
—
10:17.83
—
—
—
—
—
1650 Free SCY
—
—
—
—
—
19:00.02
17:19.69
▲ 100.33
—
—
—
—
—
—
50 Back SCY
—
39.07
34.13
▲ 4.94
33.75
▲ 0.38
32.31
▲ 1.44
28.86
▲ 3.45
—
—
—
—
—
24.20
▲ 4.66
—
100 Back SCY
1:39.92
1:27.62
▲ 12.30
1:15.50
▲ 12.12
—
1:06.74
▲ 8.76
1:02.50
▲ 4.24
58.81
▲ 3.69
55.70
▲ 3.11
54.11
▲ 1.59
52.48
▲ 1.63
51.94
▲ 0.54
52.12
▼ 0.18
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200 Back SCY
—
—
—
—
2:27.44
2:16.44
▲ 11.00
2:07.32
▲ 9.12
2:03.81
▲ 3.51
1:58.58
▲ 5.23
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—
—
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50 Breast SCY
57.87
42.96
▲ 14.91
36.65
▲ 6.31
35.58
▲ 1.07
33.99
▲ 1.59
32.73
▲ 1.26
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—
—
—
—
—
—
100 Breast SCY
2:05.02
1:34.84
▲ 30.18
1:22.66
▲ 12.18
1:18.63
▲ 4.03
1:15.87
▲ 2.76
1:12.00
▲ 3.87
1:06.53
▲ 5.47
1:02.99
▲ 3.54
1:06.15
▼ 3.16
1:05.44
▲ 0.71
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—
200 Breast SCY
—
—
3:07.37
2:57.59
▲ 9.78
—
2:46.75
▲ 10.84
2:27.41
▲ 19.34
2:25.52
▲ 1.89
2:26.64
▼ 1.12
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—
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50 Fly SCY
1:16.39
35.77
▲ 40.62
32.54
▲ 3.23
30.18
▲ 2.36
28.67
▲ 1.51
27.56
▲ 1.11
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—
—
—
—
23.32
▲ 4.24
—
100 Fly SCY
—
—
1:29.02
1:10.19
▲ 18.83
1:06.63
▲ 3.56
1:01.07
▲ 5.56
56.81
▲ 4.26
55.61
▲ 1.20
53.08
▲ 2.53
50.04
▲ 3.04
49.61
▲ 0.43
49.88
▼ 0.27
51.75
▼ 1.87
200 Fly SCY
—
—
—
—
—
2:19.59
2:08.61
▲ 10.98
2:00.32
▲ 8.29
2:01.88
▼ 1.56
1:59.55
▲ 2.33
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100 IM SCY
—
1:22.82
1:13.02
▲ 9.80
1:09.78
▲ 3.24
1:06.94
▲ 2.84
1:03.50
▲ 3.44
57.74
▲ 5.76
—
58.89
▼ 1.15
57.80
▲ 1.09
54.21
▲ 3.59
53.34
▲ 0.87
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200 IM SCY
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3:01.97
2:38.54
▲ 23.43
2:33.27
▲ 5.27
2:22.24
▲ 11.03
2:17.21
▲ 5.03
2:08.86
▲ 8.35
2:01.71
▲ 7.15
1:59.48
▲ 2.23
1:58.54
▲ 0.94
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400 IM SCY
—
—
—
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5:07.35
4:46.37
▲ 20.98
4:29.35
▲ 17.02
4:33.53
▼ 4.18
4:18.95
▲ 14.58
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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.