Swimmer profile
Karen Preston
Female13-14Carmel Swim ClubIN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2023–24
2024–25
2025–26
50 Free LCM
40.15
28.41
▲ 11.74
28.45
▼ 0.04
28.83
▼ 0.38
100 Free LCM
1:30.41
1:03.39
▲ 27.02
1:01.36
▲ 2.03
1:01.75
▼ 0.39
200 Free LCM
—
2:19.96
2:14.11
▲ 5.85
2:15.02
▼ 0.91
400 Free LCM
—
—
4:48.34
4:44.15
▲ 4.19
50 Back LCM
44.46
—
—
—
100 Back LCM
1:38.19
—
1:12.87
▲ 25.32
—
200 Back LCM
—
—
2:35.91
2:36.31
▼ 0.40
50 Breast LCM
49.24
36.68
▲ 12.56
—
—
100 Breast LCM
1:56.84
—
1:23.40
▲ 33.44
1:23.83
▼ 0.43
50 Fly LCM
42.25
30.33
▲ 11.92
30.06
▲ 0.27
—
100 Fly LCM
—
1:10.18
1:08.38
▲ 1.80
1:10.14
▼ 1.76
200 Fly LCM
—
—
—
2:43.42
200 IM LCM
3:44.55
2:40.59
▲ 63.96
2:30.28
▲ 10.31
2:32.50
▼ 2.22
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.