Swimmer profile
Rio Nakazawa
Male10 & UnderEast Valley Swim TeamAZ · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2024–25
2025–26
25 Free SCY
28.98
20.39
▲ 8.59
50 Free SCY
—
42.56
100 Free SCY
—
1:39.25
25 Back SCY
37.04
23.06
▲ 13.98
50 Back SCY
—
48.43
100 Back SCY
—
1:40.62
25 Breast SCY
32.78
28.11
▲ 4.67
50 Breast SCY
—
53.10
100 Breast SCY
—
1:58.13
25 Fly SCY
38.13
23.82
▲ 14.31
50 Fly SCY
—
51.34
100 Fly SCY
—
2:03.97
100 IM SCY
—
1:44.34
200 IM SCY
—
3:48.51
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.