Swimmer profile
Matthew Koronkevitch
Male13-14Cardinal AquaticsKY · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2022–23
2023–24
2024–25
2025–26
50 Free SCY
1:16.61
58.00
▲ 18.61
47.12
▲ 10.88
50.77
▼ 3.65
33.38
▲ 17.39
34.39
▼ 1.01
28.05
▲ 6.34
26.68
▲ 1.37
100 Free SCY
—
—
1:56.58
—
1:20.48
▲ 36.10
1:17.20
▲ 3.28
1:02.58
▲ 14.62
59.33
▲ 3.25
200 Free SCY
—
—
—
—
—
2:58.98
2:18.33
▲ 40.65
2:13.32
▲ 5.01
500 Free SCY
—
—
—
—
—
—
6:46.39
6:26.67
▲ 19.72
1000 Free SCY
—
—
—
—
—
—
—
13:30.72
50 Back SCY
1:20.61
1:07.84
▲ 12.77
59.43
▲ 8.41
1:01.92
▼ 2.49
46.62
▲ 15.30
47.44
▼ 0.82
42.00
▲ 5.44
—
100 Back SCY
—
—
—
—
1:42.27
1:39.59
▲ 2.68
—
—
50 Breast SCY
—
—
1:03.92
1:07.87
▼ 3.95
51.46
▲ 16.41
50.07
▲ 1.39
—
35.96
▲ 14.11
100 Breast SCY
—
—
—
—
1:58.10
1:57.72
▲ 0.38
1:27.97
▲ 29.75
1:17.79
▲ 10.18
200 Breast SCY
—
—
—
—
—
—
3:04.66
2:45.08
▲ 19.58
50 Fly SCY
—
—
—
—
44.02
46.04
▼ 2.02
35.85
▲ 10.19
—
100 Fly SCY
—
—
—
—
—
—
1:20.92
1:12.50
▲ 8.42
100 IM SCY
—
—
2:07.54
—
2:03.88
▲ 3.66
—
—
—
200 IM SCY
—
—
—
—
—
—
3:00.27
2:30.58
▲ 29.69
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.