ISL
Jack Hayashi

Closest rivals

Jack Hayashi

In Boys 11-12 50 Breaststroke, your lifetime PB ranks #12 out of 101 swimmers in the 11-12 bracket — 89th percentile. Here are the 3 swimmers right ahead and 3 right behind. The hunt starts now.

Your PB: 39.30· last Champs: 19th place

Primary event picked using best Champs placement. Rivals ranked across the whole event leaderboard, gender + age bracket matching. Click any rival to see their full profile and run a head-to-head Compare.

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Swimmer Rankings — beyond Irvine.

The same kind of profiles, records, and progression tracking, now live for youth swimmers across the country. Search your kid at swimmerrankings.com.

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