Swimmer profile
Marcelina Korszen
Female13-14Clifton Boys & Girls Club -SeahawksNJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
42.14
35.11
▲ 7.03
32.48
▲ 2.63
28.96
▲ 3.52
27.93
▲ 1.03
27.55
▲ 0.38
100 Free SCY
—
1:18.31
1:12.78
▲ 5.53
1:03.60
▲ 9.18
1:00.18
▲ 3.42
58.84
▲ 1.34
200 Free SCY
—
—
—
2:15.58
2:11.91
▲ 3.67
2:08.93
▲ 2.98
500 Free SCY
—
7:20.63
6:42.35
▲ 38.28
6:00.23
▲ 42.12
5:47.05
▲ 13.18
—
50 Back SCY
51.67
36.59
▲ 15.08
34.61
▲ 1.98
30.75
▲ 3.86
29.18
▲ 1.57
28.74
▲ 0.44
100 Back SCY
—
1:19.33
1:13.46
▲ 5.87
1:05.18
▲ 8.28
1:01.22
▲ 3.96
1:00.78
▲ 0.44
200 Back SCY
—
2:53.69
2:41.19
▲ 12.50
2:20.46
▲ 20.73
2:12.64
▲ 7.82
2:13.24
▼ 0.60
50 Breast SCY
—
45.56
40.02
▲ 5.54
34.86
▲ 5.16
34.66
▲ 0.20
34.98
▼ 0.32
100 Breast SCY
—
1:37.84
1:28.17
▲ 9.67
1:20.03
▲ 8.14
1:14.82
▲ 5.21
1:14.03
▲ 0.79
200 Breast SCY
—
3:29.80
3:11.98
▲ 17.82
2:51.23
▲ 20.75
2:40.60
▲ 10.63
—
50 Fly SCY
—
39.13
34.98
▲ 4.15
29.15
▲ 5.83
28.55
▲ 0.60
28.02
▲ 0.53
100 Fly SCY
—
1:34.81
1:22.05
▲ 12.76
1:06.80
▲ 15.25
1:01.60
▲ 5.20
1:03.07
▼ 1.47
200 Fly SCY
—
—
—
—
2:24.21
2:19.49
▲ 4.72
100 IM SCY
—
1:23.79
1:17.14
▲ 6.65
1:07.99
▲ 9.15
1:05.02
▲ 2.97
1:05.00
▲ 0.02
200 IM SCY
—
2:57.00
2:42.77
▲ 14.23
2:25.22
▲ 17.55
2:18.86
▲ 6.36
2:19.70
▼ 0.84
400 IM SCY
—
—
—
5:17.26
4:55.77
▲ 21.49
4:56.04
▼ 0.27
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.