Swimmer profile
Sophia Williamson
Female15-16Streamline AquaticsST · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
33.12
28.78
▲ 4.34
27.14
▲ 1.64
26.37
▲ 0.77
25.71
▲ 0.66
25.41
▲ 0.30
24.77
▲ 0.64
100 Free SCY
1:21.72
1:04.75
▲ 16.97
59.78
▲ 4.97
57.78
▲ 2.00
54.46
▲ 3.32
53.06
▲ 1.40
52.76
▲ 0.30
200 Free SCY
2:58.35
2:30.01
▲ 28.34
2:16.14
▲ 13.87
2:12.98
▲ 3.16
1:56.67
▲ 16.31
1:53.69
▲ 2.98
1:52.02
▲ 1.67
500 Free SCY
—
—
—
6:00.13
5:58.51
▲ 1.62
5:15.34
▲ 43.17
5:09.50
▲ 5.84
50 Back SCY
41.76
—
31.88
▲ 9.88
—
31.58
▲ 0.30
33.16
▼ 1.58
—
100 Back SCY
1:34.52
1:19.41
▲ 15.11
1:10.35
▲ 9.06
1:07.11
▲ 3.24
1:02.97
▲ 4.14
1:02.96
▲ 0.01
—
200 Back SCY
—
—
—
—
—
2:23.55
—
50 Breast SCY
53.16
—
—
—
—
—
—
100 Breast SCY
—
—
—
1:28.44
—
—
—
200 Breast SCY
—
—
—
—
—
2:54.40
—
50 Fly SCY
42.22
33.76
▲ 8.46
28.92
▲ 4.84
—
28.43
▲ 0.49
28.50
▼ 0.07
25.94
▲ 2.56
100 Fly SCY
1:40.80
1:15.40
▲ 25.40
1:12.17
▲ 3.23
1:02.47
▲ 9.70
59.42
▲ 3.05
59.65
▼ 0.23
56.46
▲ 3.19
200 Fly SCY
—
—
—
—
—
—
2:12.19
100 IM SCY
1:32.24
1:19.45
▲ 12.79
1:15.67
▲ 3.78
1:12.30
▲ 3.37
—
1:08.93
▲ 3.37
—
200 IM SCY
—
—
2:30.91
2:26.38
▲ 4.53
2:31.63
▼ 5.25
2:21.64
▲ 9.99
—
400 IM SCY
—
—
—
—
—
4:57.97
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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.