Swimmer profile
Alexander Klassen
Male15-16Bolles School SharksFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
—
38.00
31.14
▲ 6.86
28.77
▲ 2.37
27.92
▲ 0.85
26.27
▲ 1.65
25.58
▲ 0.69
23.05
▲ 2.53
22.46
▲ 0.59
100 Free SCY
1:55.89
—
1:11.29
▲ 44.60
1:03.34
▲ 7.95
1:00.93
▲ 2.41
57.91
▲ 3.02
53.55
▲ 4.36
50.61
▲ 2.94
49.17
▲ 1.44
200 Free SCY
—
3:11.01
—
2:16.99
▲ 54.02
2:14.59
▲ 2.40
2:08.01
▲ 6.58
1:57.22
▲ 10.79
1:50.98
▲ 6.24
1:47.35
▲ 3.63
500 Free SCY
—
—
—
6:27.06
5:51.87
▲ 35.19
5:45.44
▲ 6.43
5:20.57
▲ 24.87
5:10.70
▲ 9.87
—
1000 Free SCY
—
—
—
—
—
11:19.71
11:11.51
▲ 8.20
11:11.26
▲ 0.25
—
1650 Free SCY
—
—
—
—
—
—
18:05.80
17:41.68
▲ 24.12
—
50 Back SCY
—
47.92
41.26
▲ 6.66
38.90
▲ 2.36
36.45
▲ 2.45
35.97
▲ 0.48
31.12
▲ 4.85
30.59
▲ 0.53
—
100 Back SCY
—
—
1:30.98
—
1:23.50
▲ 7.48
1:11.08
▲ 12.42
1:05.48
▲ 5.60
1:05.80
▼ 0.32
59.73
▲ 6.07
200 Back SCY
—
—
—
—
—
—
2:28.88
2:16.37
▲ 12.51
2:06.86
▲ 9.51
50 Breast SCY
1:12.52
51.80
▲ 20.72
43.09
▲ 8.71
38.44
▲ 4.65
35.83
▲ 2.61
33.51
▲ 2.32
30.82
▲ 2.69
29.55
▲ 1.27
28.36
▲ 1.19
100 Breast SCY
—
—
1:34.14
1:22.07
▲ 12.07
1:18.71
▲ 3.36
1:12.11
▲ 6.60
1:06.86
▲ 5.25
1:03.13
▲ 3.73
1:00.31
▲ 2.82
200 Breast SCY
—
—
—
—
2:51.88
2:36.80
▲ 15.08
2:24.22
▲ 12.58
2:18.56
▲ 5.66
2:16.53
▲ 2.03
50 Fly SCY
—
—
42.64
34.62
▲ 8.02
34.02
▲ 0.60
30.96
▲ 3.06
27.79
▲ 3.17
27.33
▲ 0.46
25.70
▲ 1.63
100 Fly SCY
—
—
—
—
1:22.11
1:09.15
▲ 12.96
1:01.70
▲ 7.45
1:01.67
▲ 0.03
56.48
▲ 5.19
200 Fly SCY
—
—
—
—
—
—
2:33.48
2:25.09
▲ 8.39
2:08.97
▲ 16.12
100 IM SCY
—
1:48.43
1:27.37
▲ 21.06
1:15.65
▲ 11.72
1:14.69
▲ 0.96
1:08.43
▲ 6.26
—
59.07
▲ 9.36
55.50
▲ 3.57
200 IM SCY
—
—
—
2:43.53
2:38.75
▲ 4.78
2:28.25
▲ 10.50
2:13.37
▲ 14.88
2:06.18
▲ 7.19
1:59.77
▲ 6.41
400 IM SCY
—
—
—
—
—
5:25.26
4:45.77
▲ 39.49
4:48.13
▼ 2.36
4:23.38
▲ 24.75
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.