Swimmer profile
Sonja Larsen
Female11-12West Hartford Aquatic TeamCT · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
46.04
41.34
▲ 4.70
34.72
▲ 6.62
32.75
▲ 1.97
100 Free LCM
1:45.47
1:33.80
▲ 11.67
1:16.47
▲ 17.33
1:11.64
▲ 4.83
200 Free LCM
3:45.73
—
2:58.23
▲ 47.50
—
400 Free LCM
—
—
5:50.00
5:34.31
▲ 15.69
50 Back LCM
53.19
47.70
▲ 5.49
41.67
▲ 6.03
38.89
▲ 2.78
100 Back LCM
1:51.52
1:49.69
▲ 1.83
1:29.66
▲ 20.03
1:23.44
▲ 6.22
200 Back LCM
—
—
3:04.87
3:01.90
▲ 2.97
50 Breast LCM
—
59.80
50.45
▲ 9.35
49.54
▲ 0.91
100 Breast LCM
—
—
1:53.06
1:42.65
▲ 10.41
200 Breast LCM
—
—
3:52.95
—
50 Fly LCM
—
54.99
38.57
▲ 16.42
36.36
▲ 2.21
100 Fly LCM
—
—
1:37.62
1:30.48
▲ 7.14
200 IM LCM
—
3:59.23
3:11.67
▲ 47.56
3:00.91
▲ 10.76
400 IM LCM
—
—
6:55.70
6:31.97
▲ 23.73
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.