Swimmer profile
Marco Costello
Male11-12New Hartford AquaticsAD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2025–26
50 Free LCM
34.36
100 Free LCM
1:17.55
200 Free LCM
2:52.11
50 Back LCM
44.32
100 Back LCM
1:31.47
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.