Swimmer profile
Krystyna Yefremova
Female15-16West Coast AquaticsPNW · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
29.48
29.21
▲ 0.27
29.72
▼ 0.51
100 Free LCM
1:05.39
1:04.05
▲ 1.34
1:05.20
▼ 1.15
200 Free LCM
—
2:27.71
—
50 Back LCM
36.32
—
—
100 Back LCM
1:23.43
—
—
50 Breast LCM
38.39
35.81
▲ 2.58
36.93
▼ 1.12
100 Breast LCM
1:24.51
1:21.36
▲ 3.15
1:22.73
▼ 1.37
200 Breast LCM
3:02.22
3:00.05
▲ 2.17
3:01.69
▼ 1.64
50 Fly LCM
—
—
33.17
100 Fly LCM
—
1:24.24
—
200 IM LCM
2:55.70
2:50.78
▲ 4.92
—
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.