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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Henry Ashcroft | 43.91 | 10 | BB Min | A: 42.09 (+1.82s | 4.1%) | Madison Swimming Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1102 | Miles Kavanaugh | 43.91 | 10 | BB Min | A: 42.09 (+1.82s | 4.1%) | University Place Aquatic Club | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 1103 | Brayden Herald | 43.91 | 9 | BB Min | A: 42.09 (+1.82s | 4.1%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1104 | Shepherd Carpentier | 43.91 | 10 | BB Min | A: 42.09 (+1.82s | 4.1%) | YMCA of Virginia\\\\\\'s Blue Ridge | 01/02/2026 | 2026 LY Winter Invitational | |
| 1105 | Christian Bertram | 43.92 | 10 | BB Min | A: 42.09 (+1.83s | 4.2%) | Naval Academy Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 1106 | Benjamin Johnson | 43.93 | 10 | BB Min | A: 42.09 (+1.84s | 4.2%) | Spy Swim Team | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 1107 | Oliver Brock | 43.93 | 10 | BB Min | A: 42.09 (+1.84s | 4.2%) | Sierra Marlins Swim Team | 12/21/2024 | 2024 SI Winter Age Group Championships | |
| 1108 | Michael Valikhovsky | 43.93 | 10 | BB Min | A: 42.09 (+1.84s | 4.2%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1109 | Oleksandr Aleksashyn | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Dolphin Club | 01/09/2026 | NOVA New Year S Kick Off | |
| 1110 | Jonathan Wang | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Life Time Fitness New York Swi | 10/25/2025 | 2025 MR QNS Can I Kick It Invitational | |
| 1111 | Basil Erickson | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Excel Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1112 | Kenneth Huang | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Charles River Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 1113 | Griffin Ignash | 43.95 | 10 | BB Min | A: 42.09 (+1.86s | 4.2%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 1114 | Ian Chen | 43.95 | 10 | BB Min | A: 42.09 (+1.86s | 4.2%) | Long Island Aquatic Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 1115 | Dylan Chen | 43.96 | 10 | BB Min | A: 42.09 (+1.87s | 4.3%) | Columbia Aquatics Association | 09/26/2025 | RAC First Splash 2025 | |
| 1116 | Daniel Kalinovski | 43.96 | 10 | BB Min | A: 42.09 (+1.87s | 4.3%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1117 | Michael Levell | 43.96 | 10 | BB Min | A: 42.09 (+1.87s | 4.3%) | Brownell Talbot | 01/21/2026 | BLCK MW BT Sprint Night Meet #3 | |
| 1118 | Zihan Zhang | 43.96 | 9 | BB Min | A: 42.09 (+1.87s | 4.3%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1119 | Isaiah Fadillah | 43.97 | 10 | BB Min | A: 42.09 (+1.88s | 4.3%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1120 | Samuel Leven | 43.97 | 10 | BB Min | A: 42.09 (+1.88s | 4.3%) | Alamo Area Aquatic Association | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1121 | Edward Harris | 43.97 | 8 | BB Min | A: 42.09 (+1.88s | 4.3%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1122 | Boyd Howard | 43.97 | 9 | BB Min | A: 42.09 (+1.88s | 4.3%) | Longhorn Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1123 | Hamilton Rule | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | Unattached | 11/02/2024 | 2024 SwimRise Fall Festival | |
| 1124 | Tripp Liberman | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | Rocky Mountain Rapids | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 1125 | Leo Pesin | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 1126 | Elias Lien | 44.00 | 8 | BB Min | A: 42.09 (+1.91s | 4.3%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 1127 | Kelton Glover | 44.00 | 10 | BB Min | A: 42.09 (+1.91s | 4.3%) | Dublin Community Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1128 | Jay Dai | 44.01 | 10 | BB Min | A: 42.09 (+1.92s | 4.4%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 1129 | Ethan Kirkpatrick | 44.03 | 10 | BB Min | A: 42.09 (+1.94s | 4.4%) | Madison Swimming Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1130 | Jacob Petroske | 44.03 | 10 | BB Min | A: 42.09 (+1.94s | 4.4%) | Great Lakes Tritons | 01/16/2026 | 2026 Odd Age Classic | |
| 1131 | Norman Glauberman | 44.03 | 10 | BB Min | A: 42.09 (+1.94s | 4.4%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1132 | Reid Saver | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1133 | Luca Desset | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1134 | Theodore Whitson | 44.04 | 9 | BB Min | A: 42.09 (+1.95s | 4.4%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1135 | Penghao Yu | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1136 | Lucas Putman | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Frederick Area Swim Team | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1137 | Vinh Bui | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1138 | Louis Choi | 44.05 | 9 | BB Min | A: 42.09 (+1.96s | 4.4%) | Saline Swim Team | 11/21/2025 | 2025 SST Fall Classic | |
| 1139 | Anthony Baran | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Suburban Aquatics | 03/20/2026 | 26th Annual Spring Championships | |
| 1140 | Dominic Domingues | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Rima United | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 1141 | Leonardo Mora Carrillo | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Blue Marlins Aquatic Club | 10/25/2025 | 2025 Halloween Spooktacular | |
| 1142 | Charles Webb | 44.06 | 10 | BB Min | A: 42.09 (+1.97s | 4.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1143 | Caleb Wong | 44.06 | 9 | BB Min | A: 42.09 (+1.97s | 4.5%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1144 | Easton Minervini | 44.07 | 9 | BB Min | A: 42.09 (+1.98s | 4.5%) | Southwest Stars Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1145 | Aiden Chung | 44.08 | 10 | BB Min | A: 42.09 (+1.99s | 4.5%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1146 | Parker Koke | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 1147 | Henry Ims | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1148 | Peter Enberg | 44.09 | 9 | BB Min | A: 42.09 (+2.00s | 4.5%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1149 | Padraig Loughlin | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Grosse Pointe Gators | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 1150 | Koki Tsujiuchi | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
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.