Swimmer profile
Matthew Semenko
Male13-14Manta Ray AquaticsIE · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free SCY
40.80
36.27
▲ 4.53
33.75
▲ 2.52
31.35
▲ 2.40
100 Free SCY
1:26.88
1:22.60
▲ 4.28
1:16.18
▲ 6.42
1:10.46
▲ 5.72
200 Free SCY
—
3:02.60
2:45.63
▲ 16.97
2:44.98
▲ 0.65
500 Free SCY
—
—
7:31.42
7:27.07
▲ 4.35
50 Back SCY
43.03
41.11
▲ 1.92
38.18
▲ 2.93
37.24
▲ 0.94
100 Back SCY
1:36.17
1:29.33
▲ 6.84
1:23.87
▲ 5.46
1:20.17
▲ 3.70
200 Back SCY
—
—
3:06.49
2:52.71
▲ 13.78
50 Breast SCY
1:06.44
49.99
▲ 16.45
45.09
▲ 4.90
42.77
▲ 2.32
100 Breast SCY
—
1:50.13
1:36.78
▲ 13.35
1:32.84
▲ 3.94
200 Breast SCY
—
—
3:26.92
3:22.82
▲ 4.10
50 Fly SCY
46.31
38.92
▲ 7.39
35.75
▲ 3.17
34.80
▲ 0.95
100 Fly SCY
—
1:38.94
1:35.76
▲ 3.18
1:23.80
▲ 11.96
100 IM SCY
—
1:31.06
1:22.09
▲ 8.97
1:19.40
▲ 2.69
200 IM SCY
—
3:14.66
2:59.86
▲ 14.80
2:49.76
▲ 10.10
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.