Swimmer profile
Sean Diffenderfer
MaleOpen / SeniorSpartan Aquatic ClubMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
31.42
26.59
▲ 4.83
24.85
▲ 1.74
23.94
▲ 0.91
23.77
▲ 0.17
23.12
▲ 0.65
22.94
▲ 0.18
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—
22.05
▲ 0.89
100 Free SCY
1:10.19
55.03
▲ 15.16
53.66
▲ 1.37
52.53
▲ 1.13
—
48.65
▲ 3.88
48.87
▼ 0.22
49.79
▼ 0.92
49.58
▲ 0.21
48.37
▲ 1.21
200 Free SCY
2:34.02
1:57.96
▲ 36.06
1:53.29
▲ 4.67
1:51.11
▲ 2.18
1:44.83
▲ 6.28
1:43.93
▲ 0.90
1:43.41
▲ 0.52
1:43.92
▼ 0.51
1:41.08
▲ 2.84
1:41.86
▼ 0.78
500 Free SCY
—
5:19.73
4:52.99
▲ 26.74
4:52.37
▲ 0.62
4:43.61
▲ 8.76
4:35.67
▲ 7.94
4:34.70
▲ 0.97
4:37.69
▼ 2.99
4:31.49
▲ 6.20
4:30.70
▲ 0.79
1000 Free SCY
—
—
10:12.62
10:01.64
▲ 10.98
—
9:27.71
▲ 33.93
9:26.39
▲ 1.32
9:31.25
▼ 4.86
9:36.80
▼ 5.55
9:44.03
▼ 7.23
1650 Free SCY
—
—
17:08.90
16:58.64
▲ 10.26
—
16:01.74
▲ 56.90
16:11.77
▼ 10.03
16:08.83
▲ 2.94
15:41.37
▲ 27.46
15:38.72
▲ 2.65
50 Back SCY
40.78
34.03
▲ 6.75
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—
—
—
—
25.97
▲ 8.06
—
—
100 Back SCY
—
1:13.50
1:01.25
▲ 12.25
1:00.49
▲ 0.76
56.46
▲ 4.03
57.60
▼ 1.14
58.28
▼ 0.68
55.20
▲ 3.08
56.98
▼ 1.78
—
200 Back SCY
—
2:33.51
2:15.09
▲ 18.42
2:08.72
▲ 6.37
2:08.30
▲ 0.42
2:05.74
▲ 2.56
2:10.22
▼ 4.48
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—
—
50 Breast SCY
43.83
39.81
▲ 4.02
—
—
—
—
—
—
—
—
100 Breast SCY
1:36.49
1:27.62
▲ 8.87
1:16.02
▲ 11.60
1:09.47
▲ 6.55
1:09.59
▼ 0.12
1:06.84
▲ 2.75
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—
—
—
200 Breast SCY
—
3:09.15
2:38.36
▲ 30.79
2:31.56
▲ 6.80
2:32.27
▼ 0.71
2:22.31
▲ 9.96
2:27.87
▼ 5.56
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—
—
50 Fly SCY
37.19
28.11
▲ 9.08
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—
—
—
—
—
—
—
100 Fly SCY
1:24.43
1:07.08
▲ 17.35
1:00.75
▲ 6.33
58.32
▲ 2.43
56.83
▲ 1.49
57.42
▼ 0.59
55.07
▲ 2.35
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—
—
200 Fly SCY
—
2:32.84
2:15.67
▲ 17.17
2:11.51
▲ 4.16
2:08.45
▲ 3.06
2:07.27
▲ 1.18
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—
—
—
100 IM SCY
1:21.34
1:13.27
▲ 8.07
—
—
—
—
—
—
—
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200 IM SCY
2:58.85
2:28.63
▲ 30.22
2:08.47
▲ 20.16
2:08.83
▼ 0.36
2:04.68
▲ 4.15
2:00.81
▲ 3.87
2:05.68
▼ 4.87
2:01.70
▲ 3.98
—
—
400 IM SCY
—
—
4:38.74
4:33.13
▲ 5.61
4:35.56
▼ 2.43
4:27.45
▲ 8.11
4:27.40
▲ 0.05
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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.