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 LCM
41.21
35.09
▲ 6.12
31.55
▲ 3.54
29.86
▲ 1.69
29.51
▲ 0.35
100 Free LCM
1:27.97
1:16.64
▲ 11.33
1:08.60
▲ 8.04
1:04.99
▲ 3.61
1:02.69
▲ 2.30
200 Free LCM
3:31.37
2:34.96
▲ 56.41
2:22.47
▲ 12.49
2:13.40
▲ 9.07
2:12.37
▲ 1.03
400 Free LCM
6:52.98
5:27.35
▲ 85.63
4:58.70
▲ 28.65
4:39.98
▲ 18.72
4:34.04
▲ 5.94
50 Back LCM
51.94
41.85
▲ 10.09
36.13
▲ 5.72
33.64
▲ 2.49
32.66
▲ 0.98
100 Back LCM
1:42.63
1:24.35
▲ 18.28
1:13.43
▲ 10.92
1:08.54
▲ 4.89
1:09.38
▼ 0.84
200 Back LCM
—
—
—
2:25.75
—
50 Breast LCM
48.20
41.93
▲ 6.27
38.02
▲ 3.91
37.19
▲ 0.83
39.75
▼ 2.56
100 Breast LCM
1:39.94
1:29.43
▲ 10.51
1:22.09
▲ 7.34
1:17.35
▲ 4.74
1:23.88
▼ 6.53
200 Breast LCM
—
3:12.35
—
2:47.28
▲ 25.07
—
50 Fly LCM
50.16
36.52
▲ 13.64
32.33
▲ 4.19
31.43
▲ 0.90
31.51
▼ 0.08
100 Fly LCM
1:51.24
1:17.67
▲ 33.57
1:11.47
▲ 6.20
1:09.49
▲ 1.98
1:09.11
▲ 0.38
200 Fly LCM
—
—
—
2:28.80
—
200 IM LCM
3:45.37
3:00.00
▲ 45.37
2:37.23
▲ 22.77
2:29.06
▲ 8.17
2:30.10
▼ 1.04
400 IM LCM
—
—
—
5:13.73
—
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.