USA Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Aidan Grish | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 752 | Caleb Nash | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Enfinity Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 753 | Clayton Chester | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 754 | Yanbo Li | 43.32 | 9 | BB Min | A: 42.09 (+1.23s | 2.8%) | Bolles School Sharks | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 755 | Benjamin Derry | 43.32 | 10 | BB Min | A: 42.09 (+1.23s | 2.8%) | Dexter Community Aquatic Club | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 756 | Declan Donnelly | 43.33 | 9 | BB Min | A: 42.09 (+1.24s | 2.9%) | Three Village Swim Club | 03/01/2026 | 2026 MR TVSC St Patrick S Day Last Chance | |
| 757 | Evan Fernando | 43.34 | 10 | BB Min | A: 42.09 (+1.25s | 2.9%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 758 | Sebastian Gutierrez | 43.35 | 9 | BB Min | A: 42.09 (+1.26s | 2.9%) | Anglerfish Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 759 | River Morse | 43.35 | 10 | BB Min | A: 42.09 (+1.26s | 2.9%) | Swim Gym | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 760 | Brayden Dolliver | 43.36 | 10 | BB Min | A: 42.09 (+1.27s | 2.9%) | River Falls Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 761 | Ben Herrera | 43.36 | 10 | BB Min | A: 42.09 (+1.27s | 2.9%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 762 | Owen Nguyen | 43.37 | 10 | BB Min | A: 42.09 (+1.28s | 3.0%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 763 | Justin Huang | 43.38 | 10 | BB Min | A: 42.09 (+1.29s | 3.0%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 764 | Bennett Baker | 43.40 | 9 | BB Min | A: 42.09 (+1.31s | 3.0%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 765 | Cyrus Yang | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 766 | Remington Tucker | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 767 | Brayden Bajuscak | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Shorewood | 02/15/2025 | 2025 OR HS 6A 3 | |
| 768 | Aaron Kim | 43.40 | 9 | BB Min | A: 42.09 (+1.31s | 3.0%) | The Spartans of La Canada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 769 | Camden Butters | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | YMCA of Coastal Carolina Hurri | 03/19/2026 | 2026 USRY Short Course Champs | |
| 770 | Henry Chung | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 771 | Leo Blubaugh | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 772 | Zachariah Cornine | 43.41 | 10 | BB Min | A: 42.09 (+1.32s | 3.0%) | South Lake Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 773 | Poyraz Onerci | 43.42 | 10 | BB Min | A: 42.09 (+1.33s | 3.1%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 774 | Alexander Rich | 43.42 | 10 | BB Min | A: 42.09 (+1.33s | 3.1%) | Maverick Aquatics | 04/17/2026 | 2026 CO Jolean Scott Memorial | |
| 775 | Noah Thomas | 43.43 | 9 | BB Min | A: 42.09 (+1.34s | 3.1%) | Longhorn Aquatics | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
| 776 | Kyu Bae | 43.44 | 9 | BB Min | A: 42.09 (+1.35s | 3.1%) | Waterloo Swimming | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 777 | Lev Petrovskii | 43.45 | 9 | BB Min | A: 42.09 (+1.36s | 3.1%) | Swim Fort Lauderdale | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 778 | Brooks Wilson | 43.45 | 10 | BB Min | A: 42.09 (+1.36s | 3.1%) | Charles River Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 779 | Ozzy Su | 43.46 | 10 | BB Min | A: 42.09 (+1.37s | 3.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 780 | Theodore Chan | 43.47 | 9 | BB Min | A: 42.09 (+1.38s | 3.2%) | Long Island Express | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 781 | Andrew Zhang | 43.48 | 9 | BB Min | A: 42.09 (+1.39s | 3.2%) | Revolution Swim Club | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 782 | Killian Robbins | 43.49 | 10 | BB Min | A: 42.09 (+1.40s | 3.2%) | St Croix Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 783 | Caleb Durr | 43.50 | 10 | BB Min | A: 42.09 (+1.41s | 3.2%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 784 | Adam Kao | 43.52 | 10 | BB Min | A: 42.09 (+1.43s | 3.3%) | Life Time Oregon Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 785 | Andrew Williams | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 786 | Grant Haire | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 787 | Harrison Kyin | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 788 | Cameron Watrous | 43.53 | 9 | BB Min | A: 42.09 (+1.44s | 3.3%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 789 | Connor Finlayson | 43.54 | 9 | BB Min | A: 42.09 (+1.45s | 3.3%) | Annapolis Swim Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 790 | Conrad Shwe | 43.54 | 9 | BB Min | A: 42.09 (+1.45s | 3.3%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 791 | Eli Cen | 43.55 | 9 | BB Min | A: 42.09 (+1.46s | 3.4%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 792 | Remi Newell | 43.56 | 9 | BB Min | A: 42.09 (+1.47s | 3.4%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 793 | Julian St. Peter | 43.57 | 9 | BB Min | A: 42.09 (+1.48s | 3.4%) | Edge Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 794 | Logan Bratu | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 795 | Henry Kaiser | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 796 | Maximilian Machavariani | 43.59 | 10 | BB Min | A: 42.09 (+1.50s | 3.4%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 797 | Ryan Yoon | 43.60 | 10 | BB Min | A: 42.09 (+1.51s | 3.5%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 798 | Julian Gu | 43.61 | 10 | BB Min | A: 42.09 (+1.52s | 3.5%) | Blue Dolfins | 09/27/2025 | 2025 Elizabeth Kazeck Fall Sprint | |
| 799 | Caleb Lee | 43.62 | 10 | BB Min | A: 42.09 (+1.53s | 3.5%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 800 | Sameer Pai | 43.62 | 10 | BB Min | A: 42.09 (+1.53s | 3.5%) | Aquajets Swim Team | 06/20/2026 | 2026 MN AQJT June | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.