Swimmer profile
MacKenzie Pierce
Female17-18Carson TigersharksPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
36.03
35.57
▲ 0.46
32.91
▲ 2.66
36.10
▼ 3.19
34.98
▲ 1.12
32.38
▲ 2.60
30.86
▲ 1.52
30.35
▲ 0.51
100 Free LCM
1:29.40
1:17.58
▲ 11.82
1:20.95
▼ 3.37
1:13.22
▲ 7.73
—
1:10.61
▲ 2.61
1:08.88
▲ 1.73
1:06.18
▲ 2.70
1:05.32
▲ 0.86
200 Free LCM
3:14.95
—
2:55.87
▲ 19.08
—
2:48.86
▲ 7.01
2:33.20
▲ 15.66
2:30.98
▲ 2.22
2:26.42
▲ 4.56
2:35.06
▼ 8.64
400 Free LCM
—
—
—
—
5:30.41
5:18.30
▲ 12.11
5:15.91
▲ 2.39
5:04.29
▲ 11.62
5:13.92
▼ 9.63
800 Free LCM
—
—
—
—
11:27.59
—
—
—
—
50 Back LCM
48.41
44.22
▲ 4.19
44.30
▼ 0.08
—
—
37.03
▲ 7.27
38.12
▼ 1.09
—
35.15
▲ 2.97
100 Back LCM
—
—
1:32.68
1:25.42
▲ 7.26
1:28.22
▼ 2.80
1:19.09
▲ 9.13
1:19.57
▼ 0.48
—
—
200 Back LCM
—
—
—
3:03.83
2:56.49
▲ 7.34
2:46.43
▲ 10.06
2:50.61
▼ 4.18
2:47.41
▲ 3.20
—
50 Breast LCM
59.82
—
53.88
▲ 5.94
—
—
—
—
—
44.38
▲ 9.50
100 Breast LCM
2:05.69
1:54.33
▲ 11.36
1:53.65
▲ 0.68
1:42.95
▲ 10.70
—
—
1:35.77
▲ 7.18
—
1:34.54
▲ 1.23
200 Breast LCM
—
—
4:01.66
—
—
—
—
3:24.56
▲ 37.10
—
50 Fly LCM
—
42.99
39.89
▲ 3.10
—
—
—
—
—
32.48
▲ 7.41
100 Fly LCM
—
—
1:33.89
1:23.82
▲ 10.07
1:17.89
▲ 5.93
1:14.17
▲ 3.72
1:12.26
▲ 1.91
1:12.13
▲ 0.13
1:10.43
▲ 1.70
200 Fly LCM
—
—
—
3:08.76
—
—
—
2:38.19
▲ 30.57
—
200 IM LCM
—
3:21.67
—
3:02.01
▲ 19.66
3:05.66
▼ 3.65
2:49.59
▲ 16.07
2:50.94
▼ 1.35
2:41.14
▲ 9.80
2:47.70
▼ 6.56
400 IM LCM
—
—
7:01.39
6:25.33
▲ 36.06
6:24.19
▲ 1.14
—
—
5:57.12
▲ 27.07
—
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.