Swimmer profile
Marin Kerwin
Female15-16Buffalo TideNI · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
54.17
45.65
▲ 8.52
46.23
▼ 0.58
45.34
▲ 0.89
—
100 Free LCM
2:13.64
1:47.06
▲ 26.58
1:40.08
▲ 6.98
1:46.40
▼ 6.32
1:38.67
▲ 7.73
200 Free LCM
—
—
3:45.63
3:49.23
▼ 3.60
—
50 Back LCM
1:02.38
54.18
▲ 8.20
—
—
54.21
▼ 0.03
100 Back LCM
2:22.18
1:57.62
▲ 24.56
2:00.22
▼ 2.60
—
—
200 Back LCM
—
—
4:01.61
4:07.95
▼ 6.34
—
50 Breast LCM
—
1:09.37
—
—
—
100 Breast LCM
—
2:21.76
2:21.49
▲ 0.27
2:22.43
▼ 0.94
—
50 Fly LCM
—
1:03.16
—
—
1:01.44
▲ 1.72
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.