Swimmer profile
Mason Nyboer
MaleOpen / SeniorTucson Ford Dealers AquaticsAZ · WESTERNCollege athlete · University of ArizonaD1
SeasonUSA Swimming season runs Sept – Aug
Event
2008–09
2009–10
2010–11
2011–12
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2022–23
2023–24
2024–25
2025–26
50 Free SCY
47.94
39.99
▲ 7.95
33.41
▲ 6.58
29.95
▲ 3.46
29.66
▲ 0.29
26.99
▲ 2.67
25.43
▲ 1.56
25.07
▲ 0.36
23.45
▲ 1.62
23.86
▼ 0.41
24.25
▼ 0.39
22.87
▲ 1.38
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100 Free SCY
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1:27.23
1:15.46
▲ 11.77
1:03.89
▲ 11.57
1:03.06
▲ 0.83
57.68
▲ 5.38
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51.99
▲ 5.69
51.74
▲ 0.25
49.31
▲ 2.43
48.54
▲ 0.77
48.27
▲ 0.27
—
46.87
▲ 1.40
47.26
▼ 0.39
47.41
▼ 0.15
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200 Free SCY
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2:33.32
2:23.06
▲ 10.26
2:16.34
▲ 6.72
2:00.10
▲ 16.24
1:54.15
▲ 5.95
1:48.95
▲ 5.20
1:45.78
▲ 3.17
1:44.60
▲ 1.18
1:42.17
▲ 2.43
1:41.25
▲ 0.92
1:41.09
▲ 0.16
1:40.82
▲ 0.27
1:44.76
▼ 3.94
1:41.79
▲ 2.97
1:41.54
▲ 0.25
500 Free SCY
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5:53.12
5:13.30
▲ 39.82
4:59.21
▲ 14.09
4:45.65
▲ 13.56
4:35.60
▲ 10.05
4:33.76
▲ 1.84
4:29.46
▲ 4.30
4:30.02
▼ 0.56
4:30.64
▼ 0.62
4:24.46
▲ 6.18
4:22.96
▲ 1.50
4:21.72
▲ 1.24
4:23.56
▼ 1.84
1000 Free SCY
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—
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10:15.58
9:44.00
▲ 31.58
9:28.65
▲ 15.35
9:18.34
▲ 10.31
9:14.52
▲ 3.82
9:12.21
▲ 2.31
9:20.78
▼ 8.57
9:15.38
▲ 5.40
9:11.84
▲ 3.54
9:07.77
▲ 4.07
9:10.04
▼ 2.27
1650 Free SCY
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18:21.71
17:05.89
▲ 75.82
16:06.08
▲ 59.81
15:42.14
▲ 23.94
15:34.38
▲ 7.76
15:17.42
▲ 16.96
15:40.19
▼ 22.77
15:22.71
▲ 17.48
15:09.43
▲ 13.28
15:17.12
▼ 7.69
15:12.08
▲ 5.04
15:09.17
▲ 2.91
50 Back SCY
56.30
42.62
▲ 13.68
37.66
▲ 4.96
35.86
▲ 1.80
34.53
▲ 1.33
31.45
▲ 3.08
29.19
▲ 2.26
28.19
▲ 1.00
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100 Back SCY
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1:39.16
1:31.06
▲ 8.10
1:17.50
▲ 13.56
1:16.42
▲ 1.08
1:07.27
▲ 9.15
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59.89
▲ 7.38
1:00.82
▼ 0.93
1:00.47
▲ 0.35
55.93
▲ 4.54
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200 Back SCY
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2:09.85
2:10.72
▼ 0.87
—
2:00.19
▲ 10.53
2:00.27
▼ 0.08
2:01.05
▼ 0.78
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50 Breast SCY
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55.76
44.23
▲ 11.53
43.89
▲ 0.34
41.83
▲ 2.06
40.13
▲ 1.70
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100 Breast SCY
2:25.21
1:55.39
▲ 29.82
1:37.57
▲ 17.82
1:35.41
▲ 2.16
1:40.79
▼ 5.38
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50 Fly SCY
—
55.17
48.26
▲ 6.91
—
33.03
▲ 15.23
31.49
▲ 1.54
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100 Fly SCY
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1:57.31
1:31.34
▲ 25.97
1:16.14
▲ 15.20
1:06.51
▲ 9.63
—
57.53
▲ 8.98
56.76
▲ 0.77
—
55.28
▲ 1.48
55.00
▲ 0.28
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200 Fly SCY
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2:11.06
2:07.07
▲ 3.99
2:02.40
▲ 4.67
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1:54.03
▲ 8.37
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100 IM SCY
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1:44.77
1:35.21
▲ 9.56
1:25.84
▲ 9.37
1:17.07
▲ 8.77
1:10.04
▲ 7.03
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200 IM SCY
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3:11.13
2:51.01
▲ 20.12
2:41.28
▲ 9.73
2:27.90
▲ 13.38
2:20.04
▲ 7.86
2:10.10
▲ 9.94
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400 IM SCY
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4:39.57
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4:21.25
▲ 18.32
4:08.69
▲ 12.56
4:18.72
▼ 10.03
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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.