Swimmer profile
Hayden Nielsen
Male17-18Sharks Swim ClubGU · SOUTHERN
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
46.32
39.82
▲ 6.50
33.36
▲ 6.46
33.70
▼ 0.34
29.83
▲ 3.87
26.78
▲ 3.05
25.71
▲ 1.07
24.20
▲ 1.51
23.44
▲ 0.76
23.99
▼ 0.55
23.02
▲ 0.97
100 Free SCY
1:37.24
1:32.08
▲ 5.16
1:15.80
▲ 16.28
1:07.90
▲ 7.90
1:05.28
▲ 2.62
1:01.27
▲ 4.01
56.43
▲ 4.84
52.09
▲ 4.34
50.18
▲ 1.91
50.70
▼ 0.52
50.65
▲ 0.05
200 Free SCY
—
3:10.22
2:37.99
▲ 32.23
2:30.59
▲ 7.40
2:19.72
▲ 10.87
2:09.56
▲ 10.16
2:04.41
▲ 5.15
1:55.96
▲ 8.45
1:46.39
▲ 9.57
1:47.47
▼ 1.08
1:46.02
▲ 1.45
500 Free SCY
—
8:20.90
7:13.99
▲ 66.91
6:38.91
▲ 35.08
6:30.43
▲ 8.48
5:56.80
▲ 33.63
5:23.10
▲ 33.70
5:13.41
▲ 9.69
4:51.28
▲ 22.13
4:54.72
▼ 3.44
4:47.74
▲ 6.98
1000 Free SCY
—
—
—
—
13:47.95
11:57.35
▲ 110.60
11:02.33
▲ 55.02
10:52.81
▲ 9.52
10:06.98
▲ 45.83
10:10.34
▼ 3.36
9:59.86
▲ 10.48
1650 Free SCY
—
—
—
—
—
20:37.15
19:05.56
▲ 91.59
18:15.74
▲ 49.82
17:02.88
▲ 72.86
17:13.99
▼ 11.11
16:39.03
▲ 34.96
50 Back SCY
48.69
42.66
▲ 6.03
37.95
▲ 4.71
36.84
▲ 1.11
33.85
▲ 2.99
31.61
▲ 2.24
29.85
▲ 1.76
28.72
▲ 1.13
—
27.47
▲ 1.25
28.99
▼ 1.52
100 Back SCY
1:48.67
1:29.28
▲ 19.39
1:22.00
▲ 7.28
1:16.92
▲ 5.08
1:13.05
▲ 3.87
1:08.61
▲ 4.44
1:01.46
▲ 7.15
1:00.36
▲ 1.10
58.48
▲ 1.88
59.07
▼ 0.59
58.16
▲ 0.91
200 Back SCY
—
—
—
2:46.49
2:34.42
▲ 12.07
2:28.44
▲ 5.98
2:13.64
▲ 14.80
2:10.29
▲ 3.35
2:05.54
▲ 4.75
2:07.49
▼ 1.95
2:04.60
▲ 2.89
50 Breast SCY
58.61
—
52.26
▲ 6.35
42.62
▲ 9.64
39.82
▲ 2.80
36.55
▲ 3.27
32.56
▲ 3.99
—
—
29.55
▲ 3.01
30.65
▼ 1.10
100 Breast SCY
2:04.46
1:54.34
▲ 10.12
1:44.99
▲ 9.35
1:37.56
▲ 7.43
1:27.49
▲ 10.07
1:20.56
▲ 6.93
1:09.40
▲ 11.16
1:10.60
▼ 1.20
1:10.09
▲ 0.51
1:01.42
▲ 8.67
1:01.93
▼ 0.51
200 Breast SCY
—
—
—
3:23.26
3:02.59
▲ 20.67
2:49.68
▲ 12.91
2:31.07
▲ 18.61
2:31.05
▲ 0.02
2:27.63
▲ 3.42
2:12.83
▲ 14.80
2:11.82
▲ 1.01
50 Fly SCY
1:07.69
56.50
▲ 11.19
40.06
▲ 16.44
33.91
▲ 6.15
32.73
▲ 1.18
30.95
▲ 1.78
—
26.25
▲ 4.70
—
25.46
▲ 0.79
26.25
▼ 0.79
100 Fly SCY
—
—
1:42.00
1:28.88
▲ 13.12
1:16.21
▲ 12.67
1:13.86
▲ 2.35
1:05.25
▲ 8.61
58.04
▲ 7.21
57.27
▲ 0.77
57.28
▼ 0.01
56.23
▲ 1.05
200 Fly SCY
—
—
—
—
2:59.85
2:44.60
▲ 15.25
2:29.69
▲ 14.91
2:19.55
▲ 10.14
2:09.68
▲ 9.87
2:09.77
▼ 0.09
2:06.23
▲ 3.54
100 IM SCY
1:51.00
1:32.75
▲ 18.25
1:25.44
▲ 7.31
1:22.19
▲ 3.25
1:14.51
▲ 7.68
1:07.15
▲ 7.36
—
—
—
—
—
200 IM SCY
—
3:54.27
3:15.33
▲ 38.94
2:50.01
▲ 25.32
2:37.45
▲ 12.56
2:30.72
▲ 6.73
2:17.98
▲ 12.74
2:09.51
▲ 8.47
2:03.59
▲ 5.92
2:03.85
▼ 0.26
1:58.84
▲ 5.01
400 IM SCY
—
—
—
—
5:39.24
5:13.91
▲ 25.33
4:49.77
▲ 24.14
4:41.58
▲ 8.19
4:19.85
▲ 21.73
4:20.19
▼ 0.34
4:18.24
▲ 1.95
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.