Swimmer profile
Benton Kosters
Male10 & UnderSioux Center SeahawksMW · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2024–25
2025–26
25 Free SCY
21.82
19.89
▲ 1.93
50 Free SCY
51.42
44.86
▲ 6.56
100 Free SCY
—
1:47.41
25 Back SCY
24.91
23.34
▲ 1.57
50 Back SCY
—
56.66
25 Breast SCY
31.27
23.69
▲ 7.58
50 Breast SCY
—
53.41
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.