Swimmer profile
Penelope Chao
Female11-12North Carolina Aquatic ClubNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
36.95
30.82
▲ 6.13
27.70
▲ 3.12
26.51
▲ 1.19
26.13
▲ 0.38
100 Free SCY
1:25.02
1:07.18
▲ 17.84
1:00.76
▲ 6.42
56.43
▲ 4.33
54.13
▲ 2.30
200 Free SCY
3:06.72
2:20.92
▲ 45.80
2:07.98
▲ 12.94
1:59.58
▲ 8.40
1:51.33
▲ 8.25
500 Free SCY
—
6:10.54
5:39.05
▲ 31.49
5:32.66
▲ 6.39
4:59.61
▲ 33.05
1000 Free SCY
—
—
—
11:24.49
10:14.97
▲ 69.52
50 Back SCY
41.54
35.20
▲ 6.34
31.36
▲ 3.84
29.68
▲ 1.68
28.96
▲ 0.72
100 Back SCY
1:31.18
1:13.84
▲ 17.34
1:07.86
▲ 5.98
1:02.76
▲ 5.10
58.63
▲ 4.13
200 Back SCY
—
—
—
2:12.39
2:04.03
▲ 8.36
50 Breast SCY
42.70
38.26
▲ 4.44
33.99
▲ 4.27
32.01
▲ 1.98
33.35
▼ 1.34
100 Breast SCY
1:32.18
1:21.64
▲ 10.54
1:12.91
▲ 8.73
1:08.82
▲ 4.09
1:10.14
▼ 1.32
200 Breast SCY
—
3:09.01
—
2:26.05
▲ 42.96
2:27.22
▼ 1.17
50 Fly SCY
46.49
33.57
▲ 12.92
29.78
▲ 3.79
27.60
▲ 2.18
27.94
▼ 0.34
100 Fly SCY
—
1:16.71
1:05.06
▲ 11.65
1:00.68
▲ 4.38
58.35
▲ 2.33
200 Fly SCY
—
—
—
2:11.70
2:08.60
▲ 3.10
100 IM SCY
1:29.41
1:15.73
▲ 13.68
1:08.21
▲ 7.52
1:03.57
▲ 4.64
1:02.72
▲ 0.85
200 IM SCY
3:27.83
2:38.75
▲ 49.08
2:21.79
▲ 16.96
2:13.11
▲ 8.68
2:07.11
▲ 6.00
400 IM SCY
—
—
—
4:38.63
4:27.40
▲ 11.23
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.