Swimmer profile
Mason Janusziewicz
Male11-12Fox Swim ClubMD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
37.92
34.92
▲ 3.00
33.27
▲ 1.65
31.38
▲ 1.89
100 Free LCM
—
1:15.46
1:12.08
▲ 3.38
1:07.32
▲ 4.76
200 Free LCM
3:08.01
2:43.00
▲ 25.01
2:31.82
▲ 11.18
2:28.62
▲ 3.20
400 Free LCM
—
6:12.18
—
4:59.97
▲ 72.21
800 Free LCM
—
—
—
10:47.87
50 Back LCM
49.67
43.03
▲ 6.64
39.16
▲ 3.87
36.35
▲ 2.81
100 Back LCM
—
1:31.24
1:23.03
▲ 8.21
1:19.26
▲ 3.77
200 Back LCM
—
—
2:53.61
2:40.92
▲ 12.69
50 Breast LCM
54.92
51.32
▲ 3.60
—
—
100 Breast LCM
2:06.26
—
—
1:37.31
▲ 28.95
50 Fly LCM
—
48.29
38.66
▲ 9.63
36.10
▲ 2.56
100 Fly LCM
2:04.32
—
1:34.12
▲ 30.20
1:19.54
▲ 14.58
200 IM LCM
—
3:15.80
—
2:50.57
▲ 25.23
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.