Swimmer profile
Karson Koscheski
Female13-14Trident Aquatics ClubOK · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
39.56
35.29
▲ 4.27
32.88
▲ 2.41
100 Free LCM
1:43.89
1:26.73
▲ 17.16
1:16.36
▲ 10.37
1:13.75
▲ 2.61
200 Free LCM
—
3:08.49
2:44.94
▲ 23.55
2:37.54
▲ 7.40
400 Free LCM
—
6:34.02
—
5:29.55
▲ 64.47
50 Back LCM
57.21
51.30
▲ 5.91
44.73
▲ 6.57
—
100 Back LCM
—
1:49.35
1:37.84
▲ 11.51
—
200 Back LCM
—
4:02.26
—
—
50 Breast LCM
1:16.34
1:00.24
▲ 16.10
51.39
▲ 8.85
—
100 Breast LCM
—
—
1:55.47
—
200 Breast LCM
—
4:28.13
4:02.95
▲ 25.18
—
50 Fly LCM
1:10.89
56.88
▲ 14.01
46.47
▲ 10.41
—
100 Fly LCM
—
2:05.83
—
—
200 IM LCM
—
—
—
3:13.27
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.