Swimmer profile
Siobhan O'Sullivan
Female11-12YMCA of Greater Nashua StormNE · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
48.80
42.05
▲ 6.75
37.98
▲ 4.07
35.56
▲ 2.42
100 Free LCM
—
1:35.56
1:29.74
▲ 5.82
—
200 Free LCM
—
—
3:11.17
—
400 Free LCM
—
—
7:02.89
6:15.01
▲ 47.88
1500 Free LCM
—
—
—
25:00.76
50 Back LCM
1:03.38
54.70
▲ 8.68
47.16
▲ 7.54
44.42
▲ 2.74
100 Back LCM
—
—
1:46.55
—
200 Back LCM
—
—
—
3:46.83
50 Breast LCM
—
56.73
52.00
▲ 4.73
48.23
▲ 3.77
100 Breast LCM
—
2:02.28
1:55.28
▲ 7.00
1:47.66
▲ 7.62
200 Breast LCM
—
—
—
3:55.28
50 Fly LCM
—
—
50.99
43.81
▲ 7.18
100 Fly LCM
—
—
1:55.94
—
200 Fly LCM
—
—
—
4:21.92
200 IM LCM
—
—
3:38.80
3:32.91
▲ 5.89
400 IM LCM
—
—
—
7:43.20
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.