Jonathan Ko
Also swam for Southern California Swimming (2026), Chino Hills Aquatics (2025), Chino Hills Aquatics CHS Swim (2025). Best times below include every one of them.
27 events144 swims25 meetsLast raced Jul 19, 2026
Where Jonathan ranks
Current best: each age group's best time, against the swimmers in it now.
100 Breast SCY1:00.97
FastestField
Boys 13-14 · best in age group · set Mar 2026Tap a row for the list
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USA Swimming time standards — 13-14 Boys
See how Jonathan's times rank nationally: 50 Breast (LCM)100 Breast (LCM)50 Breast200 Breast (LCM)200 Breast100 Breast
Other Irvine Novaquatics, Inc. swimmers around Jonathan's age: Lyric RadkeAnnabelle HayesAnna HeumannTaylor JonesJersey Holeman