Swimmer profile
William Erkmann
Male13-14Swim Streamline at NorthamptonGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
34.65
30.31
▲ 4.34
28.14
▲ 2.17
26.05
▲ 2.09
24.73
▲ 1.32
23.31
▲ 1.42
100 Free SCY
1:17.89
1:04.92
▲ 12.97
1:00.03
▲ 4.89
56.23
▲ 3.80
53.48
▲ 2.75
50.49
▲ 2.99
200 Free SCY
—
2:20.18
2:14.15
▲ 6.03
2:05.01
▲ 9.14
1:56.44
▲ 8.57
1:53.63
▲ 2.81
500 Free SCY
—
—
6:20.33
6:00.54
▲ 19.79
5:39.38
▲ 21.16
5:26.56
▲ 12.82
50 Back SCY
44.74
33.53
▲ 11.21
33.16
▲ 0.37
29.72
▲ 3.44
—
25.43
▲ 4.29
100 Back SCY
1:33.13
1:13.47
▲ 19.66
1:07.57
▲ 5.90
1:03.67
▲ 3.90
59.09
▲ 4.58
54.91
▲ 4.18
200 Back SCY
—
—
2:26.03
2:18.26
▲ 7.77
2:10.85
▲ 7.41
2:02.51
▲ 8.34
50 Breast SCY
47.80
43.38
▲ 4.42
38.62
▲ 4.76
37.61
▲ 1.01
—
—
100 Breast SCY
1:48.49
1:32.94
▲ 15.55
1:24.47
▲ 8.47
1:19.76
▲ 4.71
1:11.84
▲ 7.92
1:08.76
▲ 3.08
200 Breast SCY
—
—
2:55.87
—
2:38.20
▲ 17.67
2:32.86
▲ 5.34
50 Fly SCY
—
32.48
32.56
▼ 0.08
29.40
▲ 3.16
—
—
100 Fly SCY
—
—
1:10.88
1:10.41
▲ 0.47
59.94
▲ 10.47
58.47
▲ 1.47
200 Fly SCY
—
—
—
—
2:29.59
—
100 IM SCY
1:27.48
1:15.57
▲ 11.91
1:10.77
▲ 4.80
1:06.35
▲ 4.42
—
—
200 IM SCY
—
2:42.81
2:34.64
▲ 8.17
—
2:12.69
▲ 21.95
2:05.37
▲ 7.32
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.