Swimmer profile
Hayden Pehrson
Male11-12Williston Sea LionsND · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
25 Free SCY
—
19.92
15.89
▲ 4.03
—
—
50 Free SCY
59.58
44.56
▲ 15.02
34.73
▲ 9.83
32.10
▲ 2.63
30.21
▲ 1.89
100 Free SCY
2:09.52
1:44.66
▲ 24.86
1:20.15
▲ 24.51
1:11.71
▲ 8.44
1:06.19
▲ 5.52
200 Free SCY
—
3:38.32
2:52.00
▲ 46.32
—
2:25.02
▲ 26.98
500 Free SCY
—
—
7:48.01
7:31.03
▲ 16.98
6:29.86
▲ 61.17
1000 Free SCY
—
—
—
—
14:03.43
1650 Free SCY
—
—
—
—
23:08.78
25 Back SCY
—
23.47
19.60
▲ 3.87
—
—
50 Back SCY
56.40
50.89
▲ 5.51
40.74
▲ 10.15
40.18
▲ 0.56
37.52
▲ 2.66
100 Back SCY
2:03.94
1:47.57
▲ 16.37
—
1:22.82
▲ 24.75
—
200 Back SCY
—
—
3:08.58
—
—
25 Breast SCY
—
27.55
23.37
▲ 4.18
—
—
50 Breast SCY
—
1:16.22
49.54
▲ 26.68
45.87
▲ 3.67
42.29
▲ 3.58
100 Breast SCY
—
—
1:51.72
1:38.74
▲ 12.98
1:36.46
▲ 2.28
200 Breast SCY
—
—
—
3:36.84
3:11.64
▲ 25.20
25 Fly SCY
—
23.64
17.83
▲ 5.81
—
—
50 Fly SCY
—
1:01.33
40.94
▲ 20.39
37.71
▲ 3.23
36.30
▲ 1.41
100 Fly SCY
—
—
1:41.88
1:33.96
▲ 7.92
1:22.76
▲ 11.20
200 Fly SCY
—
—
—
—
3:12.58
100 IM SCY
—
1:56.46
1:33.61
▲ 22.85
1:22.71
▲ 10.90
1:17.02
▲ 5.69
200 IM SCY
—
—
3:18.49
2:55.72
▲ 22.77
2:51.89
▲ 3.83
400 IM SCY
—
—
—
6:18.72
—
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.