Swimmer profile
Marcelina Korszen
Female13-14Clifton Boys & Girls Club -SeahawksNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.05
35.40
▲ 3.65
32.67
▲ 2.73
32.00
▲ 0.67
31.38
▲ 0.62
100 Free LCM
—
1:16.40
1:12.02
▲ 4.38
1:10.96
▲ 1.06
1:10.07
▲ 0.89
200 Free LCM
—
2:51.92
2:33.83
▲ 18.09
2:34.70
▼ 0.87
—
400 Free LCM
—
5:50.72
5:33.46
▲ 17.26
—
5:28.58
▲ 4.88
50 Back LCM
40.50
37.85
▲ 2.65
34.81
▲ 3.04
33.57
▲ 1.24
33.83
▼ 0.26
100 Back LCM
1:29.33
1:18.68
▲ 10.65
1:14.02
▲ 4.66
1:10.92
▲ 3.10
—
200 Back LCM
—
—
2:35.84
2:33.23
▲ 2.61
2:34.18
▼ 0.95
50 Breast LCM
51.25
43.28
▲ 7.97
40.04
▲ 3.24
40.91
▼ 0.87
40.81
▲ 0.10
100 Breast LCM
—
1:34.78
1:28.80
▲ 5.98
1:28.52
▲ 0.28
—
200 Breast LCM
—
—
3:06.90
3:09.77
▼ 2.87
—
50 Fly LCM
42.64
37.62
▲ 5.02
33.91
▲ 3.71
32.57
▲ 1.34
32.37
▲ 0.20
100 Fly LCM
—
1:27.22
1:17.91
▲ 9.31
1:11.83
▲ 6.08
—
200 Fly LCM
—
—
—
3:00.06
—
200 IM LCM
3:20.86
2:55.01
▲ 25.85
2:44.65
▲ 10.36
2:41.44
▲ 3.21
—
400 IM LCM
—
—
5:50.21
5:41.00
▲ 9.21
—
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.