Swimmer profile
Marcus Seifert
MaleOpen / SeniorKohawk AquaticsIA · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2025–26
50 Free SCY
23.90
20.87
▲ 3.03
100 Free SCY
—
46.31
500 Free SCY
—
5:18.95
50 Back SCY
28.54
24.14
▲ 4.40
100 Back SCY
1:04.13
54.09
▲ 10.04
200 Back SCY
2:24.27
—
100 Breast SCY
1:16.33
—
100 Fly SCY
—
51.84
100 IM SCY
—
53.29
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.