Swimmer profile
Jacob Cerniski
Male15-16Team GreenvilleSC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2025–26
50 Free LCM
35.76
26.67
▲ 9.09
100 Free LCM
1:17.43
59.06
▲ 18.37
200 Free LCM
2:53.72
2:16.24
▲ 37.48
50 Back LCM
41.54
—
100 Back LCM
1:35.46
1:07.05
▲ 28.41
200 Back LCM
—
2:47.81
50 Breast LCM
53.94
—
100 Breast LCM
2:04.49
1:28.52
▲ 35.97
50 Fly LCM
39.85
—
100 Fly LCM
—
1:11.20
200 IM LCM
—
2:35.28
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.