Swimmer profile
Jon Kazimierczyk
Male13-14Southington YMCA RaysCT · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
39.60
34.93
▲ 4.67
28.93
▲ 6.00
100 Free LCM
—
1:18.35
1:06.21
▲ 12.14
200 Free LCM
3:47.37
—
2:34.40
▲ 72.97
100 Back LCM
1:58.70
1:41.15
▲ 17.55
1:27.50
▲ 13.65
200 Back LCM
—
—
3:03.42
50 Breast LCM
1:04.64
46.77
▲ 17.87
—
100 Breast LCM
—
—
1:31.61
200 Breast LCM
—
—
3:25.97
100 Fly LCM
—
—
1:28.40
200 IM LCM
—
—
2:55.20
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.