Swimmer profile
Jacek Macalka
Male11-12Valparaiso Swim ClubIN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
43.79
42.48
▲ 1.31
32.99
▲ 9.49
100 Free LCM
1:35.77
1:33.47
▲ 2.30
1:13.92
▲ 19.55
200 Free LCM
3:32.81
3:26.63
▲ 6.18
2:46.81
▲ 39.82
50 Back LCM
55.78
47.57
▲ 8.21
39.60
▲ 7.97
100 Back LCM
1:56.69
1:46.91
▲ 9.78
1:27.81
▲ 19.10
50 Breast LCM
56.37
51.75
▲ 4.62
44.91
▲ 6.84
100 Breast LCM
2:08.50
1:53.48
▲ 15.02
1:34.80
▲ 18.68
200 Breast LCM
—
—
3:25.99
50 Fly LCM
56.11
47.29
▲ 8.82
—
100 Fly LCM
2:19.45
2:07.54
▲ 11.91
—
200 IM LCM
—
3:47.15
2:59.82
▲ 47.33
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.