Swimmer profile
Mason Zach
Male17-18Gillette Swim TeamWY · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2024–25
2025–26
50 Free SCY
48.47
39.53
▲ 8.94
24.85
▲ 14.68
23.21
▲ 1.64
100 Free SCY
—
1:44.15
52.29
▲ 51.86
50.50
▲ 1.79
200 Free SCY
—
—
2:03.31
1:50.70
▲ 12.61
500 Free SCY
—
—
5:46.65
5:21.32
▲ 25.33
50 Back SCY
54.41
51.90
▲ 2.51
—
—
100 Back SCY
—
—
1:09.31
—
100 Breast SCY
—
—
1:09.98
1:03.41
▲ 6.57
100 Fly SCY
—
—
—
55.54
100 IM SCY
—
1:54.66
—
—
200 IM SCY
—
—
2:18.90
2:08.89
▲ 10.01
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.