Swimmer profile
Mason Leach
MaleOpen / SeniorUniversity of PittsburghOR · WESTERNCollege athlete · University of PittsburghD1
SeasonUSA Swimming season runs Sept – Aug
Event
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
55.07
35.37
▲ 19.70
33.41
▲ 1.96
30.16
▲ 3.25
26.99
▲ 3.17
25.67
▲ 1.32
23.78
▲ 1.89
22.95
▲ 0.83
21.82
▲ 1.13
20.91
▲ 0.91
21.11
▼ 0.20
21.20
▼ 0.09
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100 Free SCY
—
1:20.74
1:15.79
▲ 4.95
1:06.23
▲ 9.56
1:04.12
▲ 2.11
57.65
▲ 6.47
52.95
▲ 4.70
51.45
▲ 1.50
48.99
▲ 2.46
46.98
▲ 2.01
47.66
▼ 0.68
—
47.93
▼ 0.27
200 Free SCY
—
—
—
2:35.15
2:22.47
▲ 12.68
2:06.50
▲ 15.97
1:56.26
▲ 10.24
1:58.76
▼ 2.50
1:50.00
▲ 8.76
1:45.22
▲ 4.78
1:49.67
▼ 4.45
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500 Free SCY
—
—
—
6:49.38
5:56.08
▲ 53.30
5:33.32
▲ 22.76
5:08.83
▲ 24.49
—
4:52.33
▲ 16.50
5:00.72
▼ 8.39
4:47.04
▲ 13.68
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1000 Free SCY
—
—
—
—
—
—
—
—
—
9:40.95
9:37.96
▲ 2.99
—
—
1650 Free SCY
—
—
—
—
—
—
—
—
16:40.35
16:16.20
▲ 24.15
—
—
—
50 Back SCY
51.53
41.27
▲ 10.26
40.35
▲ 0.92
34.47
▲ 5.88
—
31.23
▲ 3.24
27.43
▲ 3.80
25.10
▲ 2.33
23.39
▲ 1.71
22.71
▲ 0.68
23.17
▼ 0.46
21.82
▲ 1.35
21.27
▲ 0.55
100 Back SCY
—
1:53.84
1:27.40
▲ 26.44
1:23.84
▲ 3.56
1:13.47
▲ 10.37
1:04.31
▲ 9.16
56.01
▲ 8.30
53.17
▲ 2.84
49.03
▲ 4.14
48.93
▲ 0.10
49.23
▼ 0.30
46.63
▲ 2.60
46.08
▲ 0.55
200 Back SCY
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—
—
—
—
2:14.24
2:12.32
▲ 1.92
2:01.92
▲ 10.40
1:52.95
▲ 8.97
1:54.22
▼ 1.27
1:49.24
▲ 4.98
1:45.01
▲ 4.23
1:44.16
▲ 0.85
50 Breast SCY
53.28
41.49
▲ 11.79
39.41
▲ 2.08
35.16
▲ 4.25
31.69
▲ 3.47
30.22
▲ 1.47
—
—
27.26
▲ 2.96
26.19
▲ 1.07
26.65
▼ 0.46
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—
100 Breast SCY
—
1:35.25
1:30.10
▲ 5.15
1:16.37
▲ 13.73
1:11.85
▲ 4.52
1:04.99
▲ 6.86
1:03.68
▲ 1.31
1:01.95
▲ 1.73
58.61
▲ 3.34
59.39
▼ 0.78
58.66
▲ 0.73
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200 Breast SCY
—
—
—
—
2:37.64
2:27.47
▲ 10.17
2:17.04
▲ 10.43
2:14.24
▲ 2.80
2:07.54
▲ 6.70
2:06.48
▲ 1.06
2:12.84
▼ 6.36
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—
50 Fly SCY
—
41.15
38.70
▲ 2.45
33.71
▲ 4.99
29.32
▲ 4.39
29.52
▼ 0.20
26.74
▲ 2.78
—
—
22.81
▲ 3.93
22.72
▲ 0.09
—
21.24
▲ 1.48
100 Fly SCY
—
—
—
1:19.63
1:18.87
▲ 0.76
1:08.15
▲ 10.72
59.29
▲ 8.86
55.47
▲ 3.82
51.82
▲ 3.65
49.18
▲ 2.64
48.69
▲ 0.49
48.39
▲ 0.30
47.13
▲ 1.26
200 Fly SCY
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—
—
—
—
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2:28.24
2:11.61
▲ 16.63
2:00.45
▲ 11.16
1:57.35
▲ 3.10
2:03.61
▼ 6.26
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—
100 IM SCY
1:37.84
1:25.65
▲ 12.19
1:24.85
▲ 0.80
1:14.84
▲ 10.01
1:05.79
▲ 9.05
1:02.62
▲ 3.17
1:03.69
▼ 1.07
—
55.16
▲ 8.53
52.69
▲ 2.47
50.85
▲ 1.84
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200 IM SCY
—
—
3:12.19
2:49.42
▲ 22.77
2:33.98
▲ 15.44
2:12.98
▲ 21.00
2:03.76
▲ 9.22
2:04.49
▼ 0.73
1:57.12
▲ 7.37
1:53.31
▲ 3.81
1:50.35
▲ 2.96
1:51.82
▼ 1.47
1:54.80
▼ 2.98
400 IM SCY
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—
—
—
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4:31.57
4:26.14
▲ 5.43
4:16.72
▲ 9.42
—
4:21.09
▼ 4.37
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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.