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
50 Free LCM
41.97
33.28
▲ 8.69
31.61
▲ 1.67
29.87
▲ 1.74
28.55
▲ 1.32
26.98
▲ 1.57
26.45
▲ 0.53
25.00
▲ 1.45
23.72
▲ 1.28
23.72
± 0.00
23.47
▲ 0.25
23.72
▼ 0.25
100 Free LCM
1:37.36
1:16.13
▲ 21.23
1:11.60
▲ 4.53
1:07.95
▲ 3.65
1:08.18
▼ 0.23
1:01.02
▲ 7.16
—
56.92
▲ 4.10
53.26
▲ 3.66
52.09
▲ 1.17
52.05
▲ 0.04
53.47
▼ 1.42
200 Free LCM
—
2:43.09
2:36.92
▲ 6.17
2:34.13
▲ 2.79
2:20.49
▲ 13.64
2:16.83
▲ 3.66
2:13.85
▲ 2.98
2:03.21
▲ 10.64
2:00.25
▲ 2.96
2:01.04
▼ 0.79
1:57.50
▲ 3.54
1:58.69
▼ 1.19
400 Free LCM
—
—
—
5:35.68
4:57.73
▲ 37.95
4:55.10
▲ 2.63
—
4:31.19
▲ 23.91
—
4:30.96
▲ 0.23
—
—
800 Free LCM
—
—
—
—
—
—
—
9:44.54
—
—
—
—
50 Back LCM
49.91
43.66
▲ 6.25
40.31
▲ 3.35
36.10
▲ 4.21
34.36
▲ 1.74
32.22
▲ 2.14
—
—
—
28.50
▲ 3.72
—
—
100 Back LCM
1:45.87
1:28.66
▲ 17.21
1:27.79
▲ 0.87
1:18.20
▲ 9.59
1:15.84
▲ 2.36
1:11.72
▲ 4.12
1:11.82
▼ 0.10
1:05.70
▲ 6.12
1:02.24
▲ 3.46
1:01.85
▲ 0.39
1:00.92
▲ 0.93
1:01.89
▼ 0.97
200 Back LCM
—
—
—
—
—
—
—
2:25.45
2:19.31
▲ 6.14
—
—
2:23.51
▼ 4.20
50 Breast LCM
57.03
43.81
▲ 13.22
41.53
▲ 2.28
39.97
▲ 1.56
40.01
▼ 0.04
35.92
▲ 4.09
—
—
—
—
—
—
100 Breast LCM
2:07.26
1:39.50
▲ 27.76
1:34.16
▲ 5.34
1:31.04
▲ 3.12
1:29.72
▲ 1.32
1:21.80
▲ 7.92
1:21.55
▲ 0.25
1:12.67
▲ 8.88
—
1:15.68
▼ 3.01
—
—
200 Breast LCM
—
—
—
—
—
—
2:54.40
—
—
—
—
—
50 Fly LCM
—
39.60
35.06
▲ 4.54
33.61
▲ 1.45
31.21
▲ 2.40
29.34
▲ 1.87
—
—
—
25.83
▲ 3.51
25.65
▲ 0.18
—
100 Fly LCM
—
1:42.58
1:26.17
▲ 16.41
1:26.42
▼ 0.25
1:18.14
▲ 8.28
1:08.35
▲ 9.79
1:07.74
▲ 0.61
1:01.95
▲ 5.79
57.05
▲ 4.90
55.86
▲ 1.19
56.59
▼ 0.73
58.06
▼ 1.47
200 Fly LCM
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—
—
—
—
—
—
2:35.74
—
—
—
—
200 IM LCM
—
3:08.92
2:58.31
▲ 10.61
2:48.26
▲ 10.05
2:39.23
▲ 9.03
2:37.75
▲ 1.48
—
2:24.55
▲ 13.20
2:13.89
▲ 10.66
2:16.33
▼ 2.44
—
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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.