Swimmer profile
Matthew Koronkevitch
Male13-14Cardinal AquaticsKY · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.19
36.59
▲ 2.60
31.81
▲ 4.78
31.77
▲ 0.04
100 Free LCM
1:34.20
—
1:10.26
▲ 23.94
1:11.15
▼ 0.89
200 Free LCM
3:34.27
3:03.66
▲ 30.61
2:39.74
▲ 23.92
—
50 Back LCM
59.23
—
—
—
50 Breast LCM
1:01.36
—
40.61
▲ 20.75
—
100 Breast LCM
2:06.71
—
1:33.11
▲ 33.60
1:33.31
▼ 0.20
200 Breast LCM
—
—
3:29.07
3:26.85
▲ 2.22
50 Fly LCM
53.71
—
—
—
100 Fly LCM
—
—
1:39.84
—
200 IM LCM
—
—
3:05.04
—
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.