Swimmer profile
Andrew Koek
Male17-18Long Island Aquatic ClubMR · EASTERN
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 LCM
59.56
39.55
▲ 20.01
34.53
▲ 5.02
32.52
▲ 2.01
31.67
▲ 0.85
—
29.77
▲ 1.90
28.73
▲ 1.04
27.80
▲ 0.93
27.78
▲ 0.02
28.14
▼ 0.36
100 Free LCM
1:42.05
1:28.86
▲ 13.19
1:16.18
▲ 12.68
1:10.91
▲ 5.27
1:07.15
▲ 3.76
1:04.97
▲ 2.18
1:02.76
▲ 2.21
1:01.27
▲ 1.49
58.49
▲ 2.78
58.71
▼ 0.22
1:01.77
▼ 3.06
200 Free LCM
—
3:07.27
2:42.81
▲ 24.46
2:29.42
▲ 13.39
2:23.50
▲ 5.92
2:16.02
▲ 7.48
2:12.30
▲ 3.72
2:09.04
▲ 3.26
2:08.75
▲ 0.29
2:06.24
▲ 2.51
2:13.20
▼ 6.96
400 Free LCM
—
—
5:36.81
5:04.32
▲ 32.49
5:03.48
▲ 0.84
4:46.62
▲ 16.86
4:35.92
▲ 10.70
4:32.35
▲ 3.57
4:35.01
▼ 2.66
4:25.93
▲ 9.08
4:37.11
▼ 11.18
800 Free LCM
—
—
—
—
—
9:47.67
—
—
9:13.71
▲ 33.96
—
—
50 Back LCM
57.32
48.48
▲ 8.84
42.24
▲ 6.24
39.95
▲ 2.29
—
—
35.87
▲ 4.08
—
—
—
—
100 Back LCM
2:16.50
1:44.86
▲ 31.64
1:28.66
▲ 16.20
1:22.38
▲ 6.28
1:19.16
▲ 3.22
1:15.13
▲ 4.03
1:12.95
▲ 2.18
1:11.92
▲ 1.03
—
1:10.36
▲ 1.56
—
200 Back LCM
—
—
—
2:45.59
—
2:36.61
▲ 8.98
2:33.32
▲ 3.29
—
—
—
—
50 Breast LCM
1:01.06
49.74
▲ 11.32
39.13
▲ 10.61
36.12
▲ 3.01
35.70
▲ 0.42
35.30
▲ 0.40
32.43
▲ 2.87
31.91
▲ 0.52
29.96
▲ 1.95
29.72
▲ 0.24
—
100 Breast LCM
—
1:42.23
1:21.69
▲ 20.54
1:17.10
▲ 4.59
1:16.76
▲ 0.34
1:14.76
▲ 2.00
1:09.60
▲ 5.16
1:07.67
▲ 1.93
1:04.84
▲ 2.83
1:03.85
▲ 0.99
1:04.35
▼ 0.50
200 Breast LCM
—
—
—
2:44.99
—
2:40.16
▲ 4.83
2:29.28
▲ 10.88
2:26.72
▲ 2.56
2:20.81
▲ 5.91
2:22.37
▼ 1.56
2:22.18
▲ 0.19
50 Fly LCM
—
49.90
42.86
▲ 7.04
37.07
▲ 5.79
—
—
—
—
—
—
—
100 Fly LCM
—
—
1:30.33
1:25.92
▲ 4.41
—
1:15.15
▲ 10.77
1:09.28
▲ 5.87
1:06.60
▲ 2.68
1:04.53
▲ 2.07
1:02.02
▲ 2.51
1:02.73
▼ 0.71
200 Fly LCM
—
—
—
3:08.34
—
2:53.17
▲ 15.17
2:29.52
▲ 23.65
—
—
—
—
200 IM LCM
—
—
2:53.45
2:42.18
▲ 11.27
2:34.49
▲ 7.69
2:30.90
▲ 3.59
2:20.57
▲ 10.33
2:20.37
▲ 0.20
2:17.41
▲ 2.96
2:13.46
▲ 3.95
2:18.65
▼ 5.19
400 IM LCM
—
—
—
5:38.22
—
5:16.79
▲ 21.43
5:06.00
▲ 10.79
4:56.92
▲ 9.08
4:49.37
▲ 7.55
4:51.36
▼ 1.99
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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.