Swimmer profile
Kate Jefferies
Female15-16Saline Swim TeamMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2025–26
50 Free LCM
48.98
42.58
▲ 6.40
35.48
▲ 7.10
32.53
▲ 2.95
30.89
▲ 1.64
100 Free LCM
1:45.40
1:36.21
▲ 9.19
1:18.27
▲ 17.94
1:12.26
▲ 6.01
1:05.45
▲ 6.81
200 Free LCM
—
3:22.72
2:51.05
▲ 31.67
2:40.98
▲ 10.07
2:26.28
▲ 14.70
400 Free LCM
—
—
—
—
5:07.47
50 Back LCM
49.53
46.50
▲ 3.03
42.53
▲ 3.97
38.40
▲ 4.13
35.19
▲ 3.21
100 Back LCM
1:46.27
1:41.90
▲ 4.37
1:31.86
▲ 10.04
1:21.05
▲ 10.81
1:14.18
▲ 6.87
200 Back LCM
—
—
3:15.64
2:51.37
▲ 24.27
2:42.72
▲ 8.65
50 Breast LCM
1:06.54
—
54.86
▲ 11.68
—
—
100 Breast LCM
—
—
2:01.45
—
1:40.59
▲ 20.86
200 Breast LCM
—
—
4:11.13
—
—
50 Fly LCM
1:03.57
49.75
▲ 13.82
45.32
▲ 4.43
—
33.46
▲ 11.86
100 Fly LCM
—
—
1:48.95
—
1:17.78
▲ 31.17
200 IM LCM
—
3:53.90
3:24.22
▲ 29.68
3:04.00
▲ 20.22
2:53.01
▲ 10.99
400 IM LCM
—
—
—
—
6:04.83
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.