Swimmer profile
Helen Dai
Female13-14Blue DolfinsFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.60
32.24
▲ 3.36
30.93
▲ 1.31
30.79
▲ 0.14
100 Free LCM
1:20.56
1:08.95
▲ 11.61
1:08.23
▲ 0.72
1:05.18
▲ 3.05
200 Free LCM
2:57.20
2:33.33
▲ 23.87
—
2:31.74
▲ 1.59
400 Free LCM
6:15.47
5:20.42
▲ 55.05
—
—
50 Back LCM
41.49
36.61
▲ 4.88
35.38
▲ 1.23
36.69
▼ 1.31
100 Back LCM
1:32.82
1:20.97
▲ 11.85
1:17.74
▲ 3.23
1:20.18
▼ 2.44
50 Breast LCM
46.05
39.49
▲ 6.56
38.74
▲ 0.75
38.62
▲ 0.12
100 Breast LCM
1:41.35
1:29.30
▲ 12.05
1:28.22
▲ 1.08
1:26.78
▲ 1.44
200 Breast LCM
3:40.92
—
3:07.05
▲ 33.87
—
50 Fly LCM
—
35.61
34.31
▲ 1.30
34.33
▼ 0.02
200 IM LCM
3:43.63
2:49.15
▲ 54.48
2:42.16
▲ 6.99
2:47.77
▼ 5.61
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.