Swimmer profile
Mackenzie Headley
FemaleOpen / SeniorNorth Carolina Aquatic ClubNC · SOUTHERNCollege athlete · University of North CarolinaD1
SeasonUSA Swimming season runs Sept – Aug
Event
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
29.20
27.65
▲ 1.55
26.27
▲ 1.38
24.64
▲ 1.63
23.93
▲ 0.71
22.71
▲ 1.22
22.52
▲ 0.19
23.07
▼ 0.55
23.37
▼ 0.30
22.91
▲ 0.46
22.99
▼ 0.08
100 Free SCY
1:10.28
1:02.74
▲ 7.54
58.47
▲ 4.27
53.82
▲ 4.65
52.03
▲ 1.79
50.22
▲ 1.81
49.13
▲ 1.09
50.79
▼ 1.66
50.66
▲ 0.13
49.70
▲ 0.96
50.13
▼ 0.43
200 Free SCY
2:51.77
2:21.39
▲ 30.38
2:11.30
▲ 10.09
1:59.70
▲ 11.60
1:57.81
▲ 1.89
1:52.94
▲ 4.87
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500 Free SCY
7:10.30
6:36.96
▲ 33.34
6:14.09
▲ 22.87
5:44.18
▲ 29.91
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50 Back SCY
39.18
35.43
▲ 3.75
33.37
▲ 2.06
30.21
▲ 3.16
—
27.73
▲ 2.48
27.60
▲ 0.13
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100 Back SCY
1:25.69
1:15.25
▲ 10.44
1:12.24
▲ 3.01
—
1:02.41
▲ 9.83
—
1:01.27
▲ 1.14
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1:02.93
▼ 1.66
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50 Breast SCY
36.88
34.81
▲ 2.07
31.88
▲ 2.93
30.18
▲ 1.70
30.13
▲ 0.05
28.51
▲ 1.62
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100 Breast SCY
1:25.72
1:16.72
▲ 9.00
1:10.48
▲ 6.24
1:05.16
▲ 5.32
1:02.64
▲ 2.52
1:02.86
▼ 0.22
1:00.87
▲ 1.99
1:03.17
▼ 2.30
1:01.55
▲ 1.62
1:02.66
▼ 1.11
1:04.45
▼ 1.79
200 Breast SCY
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2:49.27
2:31.16
▲ 18.11
2:20.16
▲ 11.00
2:19.78
▲ 0.38
2:16.43
▲ 3.35
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50 Fly SCY
31.73
29.77
▲ 1.96
27.92
▲ 1.85
26.39
▲ 1.53
26.55
▼ 0.16
24.95
▲ 1.60
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100 Fly SCY
1:18.15
1:08.09
▲ 10.06
1:01.90
▲ 6.19
58.26
▲ 3.64
56.66
▲ 1.60
55.96
▲ 0.70
54.13
▲ 1.83
57.06
▼ 2.93
55.69
▲ 1.37
55.87
▼ 0.18
54.90
▲ 0.97
100 IM SCY
1:14.94
1:10.02
▲ 4.92
1:04.78
▲ 5.24
1:00.09
▲ 4.69
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200 IM SCY
2:58.98
2:31.85
▲ 27.13
2:27.58
▲ 4.27
2:14.50
▲ 13.08
2:08.92
▲ 5.58
2:04.67
▲ 4.25
2:04.45
▲ 0.22
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2:03.83
▲ 0.62
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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.