Swimmer profile
Jon Kazimierczyk
Male13-14Southington YMCA RaysCT · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
49.88
39.54
▲ 10.34
32.50
▲ 7.04
27.06
▲ 5.44
100 Free SCY
1:34.18
1:29.23
▲ 4.95
1:11.91
▲ 17.32
1:00.15
▲ 11.76
200 Free SCY
—
3:27.15
—
2:11.18
▲ 75.97
50 Back SCY
1:00.49
52.74
▲ 7.75
42.02
▲ 10.72
34.98
▲ 7.04
100 Back SCY
—
1:54.87
1:31.27
▲ 23.60
1:15.18
▲ 16.09
200 Back SCY
—
—
—
2:57.89
50 Breast SCY
—
1:00.00
42.83
▲ 17.17
35.97
▲ 6.86
100 Breast SCY
—
—
1:34.82
1:18.51
▲ 16.31
200 Breast SCY
—
—
—
2:55.04
50 Fly SCY
1:06.39
56.98
▲ 9.41
—
—
100 IM SCY
—
—
—
1:09.50
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.