Swimmer profile
Marissa Losonczy
FemaleOpen / SeniorScarlet AquaticsFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
32.41
28.86
▲ 3.55
25.57
▲ 3.29
25.02
▲ 0.55
24.85
▲ 0.17
25.06
▼ 0.21
100 Free SCY
1:17.24
1:03.12
▲ 14.12
57.24
▲ 5.88
54.81
▲ 2.43
53.48
▲ 1.33
54.44
▼ 0.96
200 Free SCY
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2:18.39
2:05.37
▲ 13.02
1:59.24
▲ 6.13
1:59.47
▼ 0.23
1:57.69
▲ 1.78
500 Free SCY
—
—
5:42.06
5:31.69
▲ 10.37
—
5:21.65
▲ 10.04
1000 Free SCY
—
—
—
—
—
11:07.75
100 Back SCY
1:23.84
1:16.15
▲ 7.69
1:03.75
▲ 12.40
1:02.85
▲ 0.90
—
1:05.61
▼ 2.76
200 Back SCY
—
2:39.23
2:39.52
▼ 0.29
2:28.48
▲ 11.04
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—
100 Breast SCY
1:49.64
1:29.43
▲ 20.21
1:19.80
▲ 9.63
1:21.07
▼ 1.27
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50 Fly SCY
—
—
—
—
—
28.45
100 Fly SCY
—
1:14.55
1:08.31
▲ 6.24
1:03.57
▲ 4.74
—
1:01.90
▲ 1.67
200 IM SCY
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2:41.29
2:23.49
▲ 17.80
2:18.39
▲ 5.10
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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.