Swimmer profile
Olivia Costello
Female11-12West Essex YMCANJ · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2024–25
2025–26
50 Free SCY
54.68
39.68
▲ 15.00
—
100 Free SCY
—
1:21.16
—
50 Back SCY
—
41.81
38.94
▲ 2.87
100 Back SCY
—
1:35.25
1:27.43
▲ 7.82
50 Breast SCY
—
49.41
42.54
▲ 6.87
100 Breast SCY
—
—
1:35.24
200 Breast SCY
—
3:48.58
3:23.00
▲ 25.58
50 Fly SCY
—
45.11
—
200 IM SCY
—
—
3:07.30
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.