Swimmer profile
Mckinley Jefferson
Female17-18Wilmington Aquatic ClubMA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
40.44
37.86
▲ 2.58
—
31.01
▲ 6.85
30.74
▲ 0.27
30.55
▲ 0.19
28.59
▲ 1.96
29.63
▼ 1.04
100 Free LCM
1:32.40
—
—
1:08.82
▲ 23.58
1:07.62
▲ 1.20
1:05.75
▲ 1.87
1:01.50
▲ 4.25
1:04.75
▼ 3.25
200 Free LCM
—
2:57.15
2:56.41
▲ 0.74
2:30.98
▲ 25.43
2:30.16
▲ 0.82
2:25.09
▲ 5.07
2:14.81
▲ 10.28
2:16.32
▼ 1.51
400 Free LCM
—
—
—
—
5:10.66
5:04.03
▲ 6.63
4:52.45
▲ 11.58
5:06.27
▼ 13.82
50 Back LCM
50.52
44.50
▲ 6.02
—
—
—
—
32.85
▲ 11.65
33.96
▼ 1.11
100 Back LCM
—
1:35.94
1:28.56
▲ 7.38
1:17.17
▲ 11.39
1:16.69
▲ 0.48
1:13.52
▲ 3.17
1:08.94
▲ 4.58
1:11.53
▼ 2.59
200 Back LCM
—
—
—
2:47.92
2:40.92
▲ 7.00
2:36.02
▲ 4.90
2:27.20
▲ 8.82
2:30.26
▼ 3.06
50 Breast LCM
1:00.39
57.03
▲ 3.36
50.06
▲ 6.97
—
—
—
40.76
▲ 9.30
41.56
▼ 0.80
100 Breast LCM
2:11.62
—
—
1:34.95
▲ 36.67
1:35.26
▼ 0.31
1:32.79
▲ 2.47
—
—
50 Fly LCM
50.86
43.56
▲ 7.30
44.99
▼ 1.43
—
—
—
32.43
▲ 12.56
33.28
▼ 0.85
100 Fly LCM
—
—
—
1:20.64
—
1:15.45
▲ 5.19
1:12.74
▲ 2.71
1:15.13
▼ 2.39
200 IM LCM
—
3:32.74
3:16.72
▲ 16.02
2:49.56
▲ 27.16
2:58.79
▼ 9.23
2:45.92
▲ 12.87
—
2:38.69
▲ 7.23
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.