Swimmer profile
Calla Rosen
Female11-12Nation's Capital Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.69
37.34
▲ 7.35
34.03
▲ 3.31
31.89
▲ 2.14
100 Free LCM
1:34.73
1:22.61
▲ 12.12
1:15.89
▲ 6.72
1:10.24
▲ 5.65
200 Free LCM
3:24.83
—
2:44.38
▲ 40.45
2:28.01
▲ 16.37
400 Free LCM
—
—
5:46.91
5:08.27
▲ 38.64
50 Back LCM
52.49
47.50
▲ 4.99
43.19
▲ 4.31
40.31
▲ 2.88
50 Breast LCM
50.94
47.58
▲ 3.36
42.19
▲ 5.39
40.42
▲ 1.77
100 Breast LCM
1:57.19
1:42.91
▲ 14.28
1:33.26
▲ 9.65
1:26.61
▲ 6.65
200 Breast LCM
—
—
3:18.28
3:03.56
▲ 14.72
50 Fly LCM
48.96
43.29
▲ 5.67
38.23
▲ 5.06
34.41
▲ 3.82
100 Fly LCM
—
—
1:25.06
—
200 IM LCM
3:56.05
3:23.63
▲ 32.42
2:58.08
▲ 25.55
2:40.57
▲ 17.51
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.