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 | Sebastian Wong | 42.75 | 10 | BB Min | A: 42.09 (+0.66s | 1.5%) | Qns Aquatic Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 752 | Henry Barnes | 42.76 | 10 | BB Min | A: 42.09 (+0.67s | 1.6%) | Marlins Of Raleigh | 11/14/2025 | 2025 MOR Atlantic Invitational Meet | |
| 753 | Alex Yang | 42.76 | 10 | BB Min | A: 42.09 (+0.67s | 1.6%) | Three Village Swim Club | 10/11/2025 | 2025 MR TVSC Ann Wycoff Memorial Swim Meet | |
| 754 | Adam Borkowski | 42.77 | 11 | BB Min | A: 42.09 (+0.68s | 1.6%) | Connetquot Swim Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 755 | Logan Nguyen | 42.77 | 10 | BB Min | A: 42.09 (+0.68s | 1.6%) | Potomac Marlins | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 756 | Yubo Wang | 42.77 | 9 | BB Min | A: 42.09 (+0.68s | 1.6%) | Laker Swim | 03/06/2025 | 2025 Florida Swimming FLAGS NORTH | |
| 757 | Ethan Gaffin | 42.77 | 9 | BB Min | A: 42.09 (+0.68s | 1.6%) | Alamo Area Aquatic Association | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 758 | Patton Hurst | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Triton Swimming of Louisville | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 759 | James Heilbronn | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Saline Swim Team | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 760 | Charles Swinsick | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 761 | Grayson Sanchez | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Oly Swimming | 02/06/2026 | 2026 Michigan Open | |
| 762 | Aaron Park | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 763 | Leo Williams | 42.78 | 9 | BB Min | A: 42.09 (+0.69s | 1.6%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 764 | Camille Turpin | 42.79 | 9 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 765 | Cooper Chen | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 766 | Emilio Balcazar | 42.80 | 9 | BB Min | A: 42.09 (+0.71s | 1.7%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 767 | Max Ong | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Pacific Swim | 11/08/2025 | HSA All Ages NTS | |
| 768 | William Martzke | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 769 | Cameron Ehrlich | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Pompano Beach Piranhas | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 770 | Liam Reyes | 42.82 | 9 | BB Min | A: 42.09 (+0.73s | 1.7%) | Reno Aquatic Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 771 | Rodobaldo Acosta | 42.82 | 11 | BB Min | A: 42.09 (+0.73s | 1.7%) | Hauppauge Swimming | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 772 | Walter Speicher | 42.84 | 9 | BB Min | A: 42.09 (+0.75s | 1.8%) | Monocacy Aquatic Club | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 773 | Christian Hebron | 42.84 | 9 | BB Min | A: 42.09 (+0.75s | 1.8%) | Prince William Swim Club | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 774 | Daithi McVeigh | 42.85 | 10 | BB Min | A: 42.09 (+0.76s | 1.8%) | North Star Swim Team | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 775 | Jett Schroeder | 42.85 | 9 | BB Min | A: 42.09 (+0.76s | 1.8%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 776 | Jaxson Ransom | 42.85 | 10 | BB Min | A: 42.09 (+0.76s | 1.8%) | Valley Swim Team Phoenix | 01/17/2026 | 2026 Duck Bowl | |
| 777 | Ishaan Karunanayake | 42.85 | 9 | BB Min | A: 42.09 (+0.76s | 1.8%) | Alto Swim Club | 11/09/2024 | Alto Go The Distance | |
| 778 | Anderson Bradley | 42.86 | 9 | BB Min | A: 42.09 (+0.77s | 1.8%) | Coastal Machine Aquatics Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 779 | Charles Kramer | 42.87 | 10 | BB Min | A: 42.09 (+0.78s | 1.8%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 780 | Joshua Vitale | 42.87 | 10 | BB Min | A: 42.09 (+0.78s | 1.8%) | Lake Oswego Swim Club | 12/12/2025 | 2025 OR HEAT Age Group Jubilee | |
| 781 | Carson Zeiger | 42.87 | 9 | BB Min | A: 42.09 (+0.78s | 1.8%) | New Wave Swim Team | 12/13/2025 | 2025 Ugly Sweater Meet | |
| 782 | Landon Gura | 42.88 | 9 | BB Min | A: 42.09 (+0.79s | 1.8%) | North Coast Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 783 | Hunter Perfect | 42.88 | 9 | BB Min | A: 42.09 (+0.79s | 1.8%) | River Falls Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 784 | Carter Nielsen | 42.88 | 10 | BB Min | A: 42.09 (+0.79s | 1.8%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 785 | Aaron Kuusela | 42.88 | 10 | BB Min | A: 42.09 (+0.79s | 1.8%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 786 | Archibald Trudel | 42.90 | 10 | BB Min | A: 42.09 (+0.81s | 1.9%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 787 | Drew Howard | 42.90 | 10 | BB Min | A: 42.09 (+0.81s | 1.9%) | Holyoke YMCA Vikings | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 788 | David Zhang | 42.90 | 10 | BB Min | A: 42.09 (+0.81s | 1.9%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 789 | William Cravens | 42.91 | 9 | BB Min | A: 42.09 (+0.82s | 1.9%) | York Swim Club of Northern Vir | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 790 | Alexander Evans | 42.91 | 10 | BB Min | A: 42.09 (+0.82s | 1.9%) | Ensworth Aquatics | 11/07/2025 | TNAQ 2025 FALL INVITATIONAL | |
| 791 | Benjamin Hall | 42.91 | 10 | BB Min | A: 42.09 (+0.82s | 1.9%) | Tennessee Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 792 | Hugo Linowski | 42.92 | 10 | BB Min | A: 42.09 (+0.83s | 1.9%) | Olympic Cascade Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 793 | Graham Terzer | 42.92 | 9 | BB Min | A: 42.09 (+0.83s | 1.9%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 794 | Luke Dimick | 42.93 | 10 | BB Min | A: 42.09 (+0.84s | 2.0%) | Auburn Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 795 | Kellan Yosay | 42.93 | 8 | BB Min | A: 42.09 (+0.84s | 2.0%) | SwimRVA | 09/26/2025 | 2025 SwimRVA Blastoff Meet | |
| 796 | Owen Yuk | 42.93 | 10 | BB Min | A: 42.09 (+0.84s | 2.0%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 797 | Jaezyn Magnaye | 42.94 | 10 | BB Min | A: 42.09 (+0.85s | 2.0%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 798 | Austin Yang | 42.94 | 10 | BB Min | A: 42.09 (+0.85s | 2.0%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 799 | Henri Simard | 42.94 | 9 | BB Min | A: 42.09 (+0.85s | 2.0%) | Swim Florida | 12/05/2025 | 2025 Sea Dragon Aquatics Frosty Freeze | |
| 800 | Santiago Diaz | 42.94 | 9 | BB Min | A: 42.09 (+0.85s | 2.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
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.