Swimmer profile
Dean Koenders
MaleOpen / SeniorTualatin Hills Swim ClubOR · WESTERN
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
—
33.35
31.40
▲ 1.95
29.62
▲ 1.78
27.18
▲ 2.44
25.69
▲ 1.49
23.69
▲ 2.00
24.28
▼ 0.59
23.19
▲ 1.09
22.04
▲ 1.15
23.45
▼ 1.41
100 Free SCY
1:33.66
1:17.21
▲ 16.45
1:10.79
▲ 6.42
1:02.66
▲ 8.13
58.43
▲ 4.23
55.34
▲ 3.09
53.53
▲ 1.81
52.17
▲ 1.36
49.07
▲ 3.10
47.79
▲ 1.28
47.99
▼ 0.20
200 Free SCY
—
2:50.15
2:26.51
▲ 23.64
2:17.64
▲ 8.87
2:07.58
▲ 10.06
2:07.88
▼ 0.30
1:55.09
▲ 12.79
1:55.21
▼ 0.12
1:50.21
▲ 5.00
1:48.16
▲ 2.05
1:48.25
▼ 0.09
500 Free SCY
—
—
—
6:03.85
5:44.42
▲ 19.43
5:37.80
▲ 6.62
5:04.02
▲ 33.78
5:04.00
▲ 0.02
4:59.76
▲ 4.24
5:02.35
▼ 2.59
—
1000 Free SCY
—
—
—
12:29.37
11:50.16
▲ 39.21
11:49.30
▲ 0.86
11:09.98
▲ 39.32
10:44.53
▲ 25.45
10:45.95
▼ 1.42
—
—
1650 Free SCY
—
—
—
20:45.88
19:47.41
▲ 58.47
19:38.18
▲ 9.23
18:18.86
▲ 79.32
18:06.86
▲ 12.00
—
—
—
50 Back SCY
50.91
43.53
▲ 7.38
41.07
▲ 2.46
33.55
▲ 7.52
—
—
—
28.26
▲ 5.29
26.98
▲ 1.28
—
—
100 Back SCY
—
1:41.57
1:27.78
▲ 13.79
1:15.01
▲ 12.77
1:06.73
▲ 8.28
1:07.00
▼ 0.27
1:01.49
▲ 5.51
56.91
▲ 4.58
56.43
▲ 0.48
55.07
▲ 1.36
—
200 Back SCY
—
—
—
2:40.32
2:23.13
▲ 17.19
—
2:11.38
▲ 11.75
2:06.59
▲ 4.79
2:01.52
▲ 5.07
2:03.77
▼ 2.25
2:06.92
▼ 3.15
50 Breast SCY
51.47
44.78
▲ 6.69
40.50
▲ 4.28
37.21
▲ 3.29
—
—
28.90
▲ 8.31
28.14
▲ 0.76
28.44
▼ 0.30
26.61
▲ 1.83
—
100 Breast SCY
1:51.00
1:38.56
▲ 12.44
1:26.66
▲ 11.90
1:20.70
▲ 5.96
1:09.39
▲ 11.31
1:08.40
▲ 0.99
1:02.64
▲ 5.76
1:01.10
▲ 1.54
59.72
▲ 1.38
57.79
▲ 1.93
57.99
▼ 0.20
200 Breast SCY
—
—
3:03.12
2:52.64
▲ 10.48
2:33.27
▲ 19.37
2:32.06
▲ 1.21
2:20.22
▲ 11.84
2:17.54
▲ 2.68
2:13.35
▲ 4.19
2:08.76
▲ 4.59
2:10.73
▼ 1.97
50 Fly SCY
52.59
43.33
▲ 9.26
41.24
▲ 2.09
35.62
▲ 5.62
—
—
—
—
—
—
—
100 Fly SCY
2:16.34
1:53.50
▲ 22.84
1:33.94
▲ 19.56
1:17.70
▲ 16.24
1:15.46
▲ 2.24
1:10.52
▲ 4.94
—
59.69
▲ 10.83
—
—
—
200 Fly SCY
—
—
—
—
2:49.21
—
—
—
2:19.30
▲ 29.91
—
—
100 IM SCY
1:44.10
1:27.82
▲ 16.28
1:21.63
▲ 6.19
1:12.71
▲ 8.92
—
—
—
—
—
—
52.94
▲ 19.77
200 IM SCY
—
3:23.68
2:45.37
▲ 38.31
2:37.24
▲ 8.13
2:23.73
▲ 13.51
2:17.70
▲ 6.03
2:06.98
▲ 10.72
2:03.11
▲ 3.87
1:59.96
▲ 3.15
1:55.52
▲ 4.44
1:57.20
▼ 1.68
400 IM SCY
—
—
—
5:47.84
5:11.35
▲ 36.49
5:00.84
▲ 10.51
4:36.92
▲ 23.92
4:32.15
▲ 4.77
4:24.29
▲ 7.86
—
4:19.65
▲ 4.64
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.