Swimmer profile
Duncan Henderson
MaleOpen / SeniorTucson Ford Dealers AquaticsAZ · WESTERNCollege athlete · University of ArizonaD1
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
30.01
28.49
▲ 1.52
27.27
▲ 1.22
27.00
▲ 0.27
25.04
▲ 1.96
23.49
▲ 1.55
22.26
▲ 1.23
22.02
▲ 0.24
21.67
▲ 0.35
22.52
▼ 0.85
19.12
▲ 3.40
100 Free SCY
1:06.49
1:01.95
▲ 4.54
57.77
▲ 4.18
58.23
▼ 0.46
54.00
▲ 4.23
50.92
▲ 3.08
50.11
▲ 0.81
52.75
▼ 2.64
49.61
▲ 3.14
—
—
200 Free SCY
2:23.94
2:13.04
▲ 10.90
2:11.72
▲ 1.32
2:03.92
▲ 7.80
1:54.21
▲ 9.71
1:49.30
▲ 4.91
1:46.66
▲ 2.64
—
—
—
—
500 Free SCY
—
—
5:53.48
5:17.82
▲ 35.66
5:03.51
▲ 14.31
4:56.54
▲ 6.97
—
—
—
—
—
1000 Free SCY
—
—
—
—
10:33.37
—
—
—
—
—
—
1650 Free SCY
—
—
—
—
17:23.52
17:05.58
▲ 17.94
—
—
—
—
—
50 Back SCY
35.59
32.17
▲ 3.42
30.85
▲ 1.32
29.86
▲ 0.99
28.54
▲ 1.32
—
24.03
▲ 4.51
22.85
▲ 1.18
—
30.91
▼ 8.06
20.59
▲ 10.32
100 Back SCY
1:15.97
1:10.85
▲ 5.12
1:05.05
▲ 5.80
1:03.23
▲ 1.82
58.05
▲ 5.18
55.47
▲ 2.58
50.90
▲ 4.57
49.23
▲ 1.67
48.36
▲ 0.87
—
44.79
▲ 3.57
200 Back SCY
—
—
2:26.06
2:19.62
▲ 6.44
2:07.13
▲ 12.49
1:58.08
▲ 9.05
1:51.68
▲ 6.40
1:51.32
▲ 0.36
1:47.37
▲ 3.95
—
1:43.94
▲ 3.43
50 Breast SCY
44.68
38.87
▲ 5.81
36.31
▲ 2.56
35.16
▲ 1.15
32.71
▲ 2.45
30.78
▲ 1.93
30.75
▲ 0.03
32.33
▼ 1.58
—
—
—
100 Breast SCY
1:35.25
1:21.26
▲ 13.99
1:21.72
▼ 0.46
1:16.06
▲ 5.66
1:13.03
▲ 3.03
1:06.56
▲ 6.47
1:08.37
▼ 1.81
1:10.87
▼ 2.50
1:03.46
▲ 7.41
—
—
200 Breast SCY
—
—
—
2:40.17
2:27.81
▲ 12.36
—
—
—
—
—
—
50 Fly SCY
33.33
31.86
▲ 1.47
29.47
▲ 2.39
29.12
▲ 0.35
27.91
▲ 1.21
—
25.38
▲ 2.53
24.30
▲ 1.08
—
—
—
100 Fly SCY
1:20.49
1:09.74
▲ 10.75
1:15.75
▼ 6.01
1:04.86
▲ 10.89
1:02.82
▲ 2.04
55.81
▲ 7.01
54.33
▲ 1.48
54.68
▼ 0.35
49.62
▲ 5.06
—
45.96
▲ 3.66
200 Fly SCY
—
—
—
2:31.60
2:25.57
▲ 6.03
2:07.78
▲ 17.79
—
—
—
—
—
100 IM SCY
1:16.30
1:12.54
▲ 3.76
1:06.51
▲ 6.03
1:05.52
▲ 0.99
1:04.26
▲ 1.26
—
58.83
▲ 5.43
55.81
▲ 3.02
53.64
▲ 2.17
—
—
200 IM SCY
2:54.27
2:33.79
▲ 20.48
2:19.43
▲ 14.36
2:16.51
▲ 2.92
2:12.64
▲ 3.87
2:00.07
▲ 12.57
1:58.59
▲ 1.48
1:52.60
▲ 5.99
—
—
1:50.81
▲ 1.79
400 IM SCY
—
—
—
4:59.96
4:45.03
▲ 14.93
—
4:30.33
▲ 14.70
—
—
—
—
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.