Swimmer profile
William Larson
Male11-12Shawmut Aquatic ClubNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.97
35.41
▲ 10.56
32.64
▲ 2.77
31.08
▲ 1.56
100 Free LCM
1:42.33
1:20.04
▲ 22.29
1:16.85
▲ 3.19
1:09.06
▲ 7.79
200 Free LCM
—
3:02.64
2:49.75
▲ 12.89
2:34.55
▲ 15.20
400 Free LCM
—
6:29.00
5:51.10
▲ 37.90
5:23.55
▲ 27.55
50 Back LCM
50.99
39.79
▲ 11.20
35.11
▲ 4.68
34.27
▲ 0.84
100 Back LCM
1:52.73
1:27.11
▲ 25.62
1:19.07
▲ 8.04
1:13.68
▲ 5.39
200 Back LCM
—
—
2:55.55
2:41.30
▲ 14.25
50 Breast LCM
1:06.94
51.84
▲ 15.10
46.77
▲ 5.07
—
100 Breast LCM
—
1:55.98
—
1:41.79
▲ 14.19
200 Breast LCM
—
—
—
3:37.35
50 Fly LCM
53.37
40.73
▲ 12.64
35.66
▲ 5.07
33.60
▲ 2.06
100 Fly LCM
—
1:50.03
1:31.39
▲ 18.64
1:18.45
▲ 12.94
200 IM LCM
—
3:26.81
3:06.80
▲ 20.01
—
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.