Swimmer profile
Ethan DiFronzo
MaleOpen / SeniorUniversity Of Notre DameIN · CENTRALCollege athlete · University of Notre DameD1
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
36.69
34.16
▲ 2.53
33.10
▲ 1.06
30.34
▲ 2.76
25.48
▲ 4.86
24.78
▲ 0.70
23.68
▲ 1.10
23.32
▲ 0.36
23.63
▼ 0.31
23.92
▼ 0.29
100 Free LCM
1:21.08
1:16.70
▲ 4.38
1:14.50
▲ 2.20
1:03.48
▲ 11.02
55.76
▲ 7.72
53.85
▲ 1.91
53.02
▲ 0.83
52.00
▲ 1.02
53.16
▼ 1.16
53.64
▼ 0.48
200 Free LCM
3:09.87
2:54.74
▲ 15.13
2:42.36
▲ 12.38
2:22.87
▲ 19.49
2:02.82
▲ 20.05
1:59.38
▲ 3.44
1:58.72
▲ 0.66
1:58.01
▲ 0.71
2:00.56
▼ 2.55
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400 Free LCM
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6:26.52
5:37.49
▲ 49.03
5:28.43
▲ 9.06
4:27.21
▲ 61.22
4:18.57
▲ 8.64
4:24.10
▼ 5.53
4:23.77
▲ 0.33
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800 Free LCM
—
—
—
—
9:39.18
—
9:26.38
▲ 12.80
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—
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50 Back LCM
46.88
41.76
▲ 5.12
38.91
▲ 2.85
—
—
31.06
▲ 7.85
30.07
▲ 0.99
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29.47
▲ 0.60
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100 Back LCM
1:41.61
1:32.94
▲ 8.67
1:24.39
▲ 8.55
1:21.67
▲ 2.72
1:08.50
▲ 13.17
1:05.39
▲ 3.11
1:04.49
▲ 0.90
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50 Breast LCM
58.32
53.00
▲ 5.32
48.54
▲ 4.46
44.49
▲ 4.05
—
33.05
▲ 11.44
32.41
▲ 0.64
31.46
▲ 0.95
31.25
▲ 0.21
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100 Breast LCM
2:03.86
1:56.94
▲ 6.92
—
1:31.20
▲ 25.74
1:15.61
▲ 15.59
1:11.94
▲ 3.67
1:12.91
▼ 0.97
1:11.97
▲ 0.94
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200 Breast LCM
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—
—
—
2:52.11
2:46.49
▲ 5.62
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—
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50 Fly LCM
50.45
40.73
▲ 9.72
37.12
▲ 3.61
33.24
▲ 3.88
—
27.92
▲ 5.32
27.36
▲ 0.56
26.04
▲ 1.32
26.55
▼ 0.51
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100 Fly LCM
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1:43.11
1:29.54
▲ 13.57
1:14.03
▲ 15.51
1:04.00
▲ 10.03
1:01.30
▲ 2.70
59.09
▲ 2.21
57.48
▲ 1.61
58.16
▼ 0.68
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200 IM LCM
3:46.84
3:21.58
▲ 25.26
3:05.85
▲ 15.73
2:44.00
▲ 21.85
2:22.77
▲ 21.23
2:17.77
▲ 5.00
2:17.72
▲ 0.05
2:21.76
▼ 4.04
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400 IM LCM
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—
—
—
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5:08.13
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5:17.22
▼ 9.09
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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.