Swimmer profile
Boston O'Brien
Male11-12North Pole Aquatic ClubAK · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2025–26
25 Free SCY
17.63
—
50 Free SCY
—
36.26
100 Free SCY
1:29.48
1:29.15
▲ 0.33
200 Free SCY
3:31.99
3:07.05
▲ 24.94
25 Back SCY
24.98
—
50 Back SCY
—
42.53
100 Back SCY
1:55.40
—
25 Breast SCY
36.01
—
50 Breast SCY
—
1:00.06
25 Fly SCY
23.21
—
50 Fly SCY
57.08
52.55
▲ 4.53
100 IM SCY
—
1:45.45
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.