Swimmer profile
Jacob Yamamoto
Male15-16Cedar Swim ClubUT · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
40.09
34.27
▲ 5.82
32.49
▲ 1.78
29.85
▲ 2.64
29.48
▲ 0.37
27.15
▲ 2.33
100 Free LCM
1:36.12
1:18.32
▲ 17.80
1:11.57
▲ 6.75
1:05.66
▲ 5.91
1:02.94
▲ 2.72
1:00.72
▲ 2.22
200 Free LCM
—
2:52.39
2:42.02
▲ 10.37
2:26.93
▲ 15.09
2:23.58
▲ 3.35
2:16.85
▲ 6.73
400 Free LCM
—
—
—
—
—
4:59.93
50 Back LCM
46.28
40.11
▲ 6.17
—
38.18
▲ 1.93
—
33.29
▲ 4.89
100 Back LCM
—
1:26.37
1:21.88
▲ 4.49
1:17.73
▲ 4.15
1:15.15
▲ 2.58
1:12.13
▲ 3.02
200 Back LCM
—
—
2:54.36
—
2:45.11
▲ 9.25
2:41.54
▲ 3.57
50 Breast LCM
54.79
49.62
▲ 5.17
—
—
38.00
▲ 11.62
37.92
▲ 0.08
100 Breast LCM
2:06.20
1:49.73
▲ 16.47
1:37.49
▲ 12.24
1:29.85
▲ 7.64
1:23.51
▲ 6.34
1:23.22
▲ 0.29
200 Breast LCM
—
—
3:28.05
—
3:01.86
▲ 26.19
3:00.28
▲ 1.58
50 Fly LCM
—
42.74
—
35.56
▲ 7.18
—
30.22
▲ 5.34
100 Fly LCM
—
1:41.46
1:33.50
▲ 7.96
—
—
1:12.90
▲ 20.60
200 Fly LCM
—
—
—
—
—
3:03.40
200 IM LCM
—
3:19.31
3:00.99
▲ 18.32
2:48.05
▲ 12.94
2:41.81
▲ 6.24
2:37.08
▲ 4.73
400 IM LCM
—
—
7:01.54
—
—
5:55.42
▲ 66.12
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.