Swimmer profile
Mason Umemoto
Male11-12Hilo Aquatic ClubHI · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free SCY
42.70
35.02
▲ 7.68
29.21
▲ 5.81
100 Free SCY
—
1:14.51
1:03.24
▲ 11.27
200 Free SCY
—
2:43.98
2:23.69
▲ 20.29
50 Back SCY
—
43.55
41.95
▲ 1.60
100 Back SCY
—
1:30.68
1:29.65
▲ 1.03
50 Breast SCY
52.59
47.36
▲ 5.23
40.68
▲ 6.68
100 Breast SCY
1:52.49
1:32.41
▲ 20.08
1:29.99
▲ 2.42
50 Fly SCY
53.72
37.26
▲ 16.46
34.13
▲ 3.13
100 Fly SCY
—
1:28.68
1:16.47
▲ 12.21
100 IM SCY
—
1:20.51
1:16.52
▲ 3.99
200 IM SCY
—
2:53.76
2:46.15
▲ 7.61
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.