Swimmer profile
Mackenzie Collins
Female17-18North Carolina Aquatic ClubNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
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
51.65
42.40
▲ 9.25
36.70
▲ 5.70
32.08
▲ 4.62
29.07
▲ 3.01
28.37
▲ 0.70
26.63
▲ 1.74
25.95
▲ 0.68
25.46
▲ 0.49
25.69
▼ 0.23
26.03
▼ 0.34
26.81
▼ 0.78
100 Free SCY
—
1:43.55
1:22.54
▲ 21.01
1:15.42
▲ 7.12
1:03.22
▲ 12.20
1:01.90
▲ 1.32
56.91
▲ 4.99
56.90
▲ 0.01
54.68
▲ 2.22
54.24
▲ 0.44
54.82
▼ 0.58
56.29
▼ 1.47
200 Free SCY
—
—
3:10.05
2:44.92
▲ 25.13
2:18.26
▲ 26.66
2:14.85
▲ 3.41
2:01.84
▲ 13.01
1:59.31
▲ 2.53
1:56.07
▲ 3.24
1:55.94
▲ 0.13
1:57.05
▼ 1.11
1:58.45
▼ 1.40
500 Free SCY
—
—
—
6:55.27
6:27.44
▲ 27.83
5:37.50
▲ 49.94
5:25.61
▲ 11.89
5:18.99
▲ 6.62
5:07.05
▲ 11.94
5:07.45
▼ 0.40
5:25.27
▼ 17.82
5:25.05
▲ 0.22
1000 Free SCY
—
—
—
—
—
—
11:13.96
10:54.05
▲ 19.91
10:43.99
▲ 10.06
10:38.86
▲ 5.13
10:30.83
▲ 8.03
—
1650 Free SCY
—
—
—
—
—
—
18:41.05
—
18:33.62
▲ 7.43
18:23.78
▲ 9.84
17:50.67
▲ 33.11
—
50 Back SCY
—
49.58
41.09
▲ 8.49
34.92
▲ 6.17
32.39
▲ 2.53
30.88
▲ 1.51
31.96
▼ 1.08
28.18
▲ 3.78
27.99
▲ 0.19
28.10
▼ 0.11
28.20
▼ 0.10
28.46
▼ 0.26
100 Back SCY
—
—
1:30.54
1:14.82
▲ 15.72
1:07.42
▲ 7.40
1:05.36
▲ 2.06
1:00.81
▲ 4.55
59.90
▲ 0.91
59.22
▲ 0.68
58.37
▲ 0.85
58.02
▲ 0.35
59.83
▼ 1.81
200 Back SCY
—
—
—
—
2:28.55
2:17.76
▲ 10.79
2:10.31
▲ 7.45
2:05.48
▲ 4.83
2:06.56
▼ 1.08
2:05.16
▲ 1.40
2:03.50
▲ 1.66
2:10.37
▼ 6.87
50 Breast SCY
—
1:02.52
53.55
▲ 8.97
44.30
▲ 9.25
42.43
▲ 1.87
39.56
▲ 2.87
—
—
39.84
▼ 0.28
38.27
▲ 1.57
—
—
100 Breast SCY
—
—
2:07.94
1:44.28
▲ 23.66
1:29.98
▲ 14.30
1:24.31
▲ 5.67
1:19.10
▲ 5.21
1:15.66
▲ 3.44
1:18.23
▼ 2.57
1:14.36
▲ 3.87
1:20.51
▼ 6.15
1:20.97
▼ 0.46
200 Breast SCY
—
—
—
—
—
—
2:49.94
2:46.88
▲ 3.06
2:43.40
▲ 3.48
2:45.71
▼ 2.31
2:45.19
▲ 0.52
2:43.16
▲ 2.03
50 Fly SCY
—
50.40
41.60
▲ 8.80
36.27
▲ 5.33
32.62
▲ 3.65
31.30
▲ 1.32
30.07
▲ 1.23
—
—
—
—
27.98
▲ 2.09
100 Fly SCY
—
—
1:51.84
1:22.65
▲ 29.19
1:12.24
▲ 10.41
1:06.76
▲ 5.48
1:01.76
▲ 5.00
1:00.88
▲ 0.88
1:00.42
▲ 0.46
59.28
▲ 1.14
58.33
▲ 0.95
59.25
▼ 0.92
200 Fly SCY
—
—
—
—
—
—
2:16.32
2:09.75
▲ 6.57
2:08.51
▲ 1.24
2:08.80
▼ 0.29
2:05.65
▲ 3.15
2:09.05
▼ 3.40
100 IM SCY
—
1:57.51
1:33.42
▲ 24.09
1:22.36
▲ 11.06
1:13.84
▲ 8.52
1:10.59
▲ 3.25
1:10.40
▲ 0.19
1:02.71
▲ 7.69
1:03.98
▼ 1.27
1:05.33
▼ 1.35
1:03.58
▲ 1.75
1:02.91
▲ 0.67
200 IM SCY
—
—
3:28.95
2:55.27
▲ 33.68
2:32.49
▲ 22.78
2:31.66
▲ 0.83
2:17.55
▲ 14.11
2:13.43
▲ 4.12
2:13.94
▼ 0.51
2:14.01
▼ 0.07
2:11.00
▲ 3.01
2:12.15
▼ 1.15
400 IM SCY
—
—
—
—
5:43.82
5:16.02
▲ 27.80
5:00.13
▲ 15.89
4:38.22
▲ 21.91
4:34.91
▲ 3.31
4:38.46
▼ 3.55
4:33.35
▲ 5.11
4:54.54
▼ 21.19
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.