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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1851 | Haoran Li | 47.79 | 9 | B Min | BB: 47.69 (+0.10s | 0.2%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 1852 | Declan Wang | 47.80 | 10 | B Min | BB: 47.69 (+0.11s | 0.2%) | Fast Swim Team | 02/16/2024 | 2024 CCS SCY AGC | |
| 1853 | Lucas Richardson | 47.80 | 10 | B Min | BB: 47.69 (+0.11s | 0.2%) | Hawaii Swimming Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1854 | Simon Becker | 47.80 | 10 | B Min | BB: 47.69 (+0.11s | 0.2%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 1855 | Caleb Walton | 47.81 | 10 | B Min | BB: 47.69 (+0.12s | 0.3%) | Southeast Tennessee Swimming | 10/17/2026 | 2026 MCC October Invite Copied | |
| 1856 | Zhencheng Xu | 47.81 | 10 | B Min | BB: 47.69 (+0.12s | 0.3%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 1857 | Matthew Weaver | 47.82 | 9 | B Min | BB: 47.69 (+0.13s | 0.3%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1858 | Bradley Dillon | 47.82 | 10 | B Min | BB: 47.69 (+0.13s | 0.3%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1859 | Ryan Song | 47.82 | 9 | B Min | BB: 47.69 (+0.13s | 0.3%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1860 | Harvey Yuan | 47.82 | 8 | B Min | BB: 47.69 (+0.13s | 0.3%) | Pacific Swim | 07/18/2026 | 2026 SI ICAC 14U RISING STARS 3 | |
| 1861 | Grigorii Vasilenko | 47.82 | 9 | B Min | BB: 47.69 (+0.13s | 0.3%) | Legacy Aquatics | 08/01/2026 | 2026 LA Summer Sunset | |
| 1862 | Khalil Khadzhy Abdulkader | 47.82 | 10 | B Min | BB: 47.69 (+0.13s | 0.3%) | Planet Swim Aquatics | 10/10/2026 | 2026 PSA Halloween Invitational | |
| 1863 | Liam Ho | 47.83 | 9 | B Min | BB: 47.69 (+0.14s | 0.3%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1864 | Angel Malave | 47.83 | 10 | B Min | BB: 47.69 (+0.14s | 0.3%) | Blue Marlins Of Hialeah Garden | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 1865 | William Fetter | 47.83 | 10 | B Min | BB: 47.69 (+0.14s | 0.3%) | Aquawolves Swimming | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 1866 | Zuriel Cariazo | 47.84 | 10 | B Min | BB: 47.69 (+0.15s | 0.3%) | Screaming Eagle Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 1867 | Warren Gehring | 47.85 | 10 | B Min | BB: 47.69 (+0.16s | 0.3%) | Triton Swimming of Louisville | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1868 | Albert Shifrin | 47.85 | 10 | B Min | BB: 47.69 (+0.16s | 0.3%) | Mjcc Stingrays | 10/10/2026 | LA Fall Kick Off 2026 | |
| 1869 | Tej Bennett | 47.85 | 10 | B Min | BB: 47.69 (+0.16s | 0.3%) | Cascade Swim Club | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 1870 | William Lawrence | 47.85 | 9 | B Min | BB: 47.69 (+0.16s | 0.3%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | |
| 1871 | Alex Li | 47.86 | 10 | B Min | BB: 47.69 (+0.17s | 0.4%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | |
| 1872 | Owen Weber | 47.86 | 10 | B Min | BB: 47.69 (+0.17s | 0.4%) | CAC Stingrays Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1873 | Ryan Zhang | 47.86 | 9 | B Min | BB: 47.69 (+0.17s | 0.4%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1874 | Caleb Crawford | 47.86 | 10 | B Min | BB: 47.69 (+0.17s | 0.4%) | Circle C Select Swim Team | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1875 | Allen Zuo | 47.87 | 9 | B Min | BB: 47.69 (+0.18s | 0.4%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1876 | Elliott Atwood | 47.88 | 10 | B Min | BB: 47.69 (+0.19s | 0.4%) | Chelsea Aquatic Club | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 1877 | Preston Call | 47.88 | 9 | B Min | BB: 47.69 (+0.19s | 0.4%) | Ensworth Aquatics | 09/12/2026 | Orange Vs Black | |
| 1878 | Eason Liu | 47.88 | 8 | B Min | BB: 47.69 (+0.19s | 0.4%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 1879 | Curtis Curry | 47.89 | 9 | B Min | BB: 47.69 (+0.20s | 0.4%) | Cullman Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1880 | Benjamin Zhang | 47.89 | 10 | B Min | BB: 47.69 (+0.20s | 0.4%) | Amherst Tritons Swim Team | 03/13/2026 | 2026 NE NSSC NE Cup Championship | |
| 1881 | Michael Han | 47.89 | 10 | B Min | BB: 47.69 (+0.20s | 0.4%) | Mei\\\\\\'s Typhoons Swimming Club | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 1882 | Stefano Ferrarese | 47.89 | 10 | B Min | BB: 47.69 (+0.20s | 0.4%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 1883 | Brody Hartong | 47.89 | 10 | B Min | BB: 47.69 (+0.20s | 0.4%) | Warrior Aquatic Club | 10/24/2026 | BIG ISLAND SWIMMING @ HPA | |
| 1884 | Graham Rosen | 47.89 | 9 | B Min | BB: 47.69 (+0.20s | 0.4%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 1885 | Adrian Feng | 47.90 | 9 | B Min | BB: 47.69 (+0.21s | 0.4%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1886 | Alejandro Hopkins | 47.90 | 10 | B Min | BB: 47.69 (+0.21s | 0.4%) | Bgc-N. Westchester Marlins | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 1887 | Benton Bower | 47.90 | 10 | B Min | BB: 47.69 (+0.21s | 0.4%) | The St. James Swim Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1888 | Christian Matyja | 47.92 | 10 | B Min | BB: 47.69 (+0.23s | 0.5%) | Utica Shelby Swim Club | 02/06/2026 | 2026 Michigan Open | |
| 1889 | Savelli Prokopev | 47.92 | 8 | B Min | BB: 47.69 (+0.23s | 0.5%) | Riviera Prep (Miami) | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 1890 | Simon Nelson | 47.92 | 10 | B Min | BB: 47.69 (+0.23s | 0.5%) | Norfolk YMCA Aquajets | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 1891 | Boone Bibee | 47.92 | 9 | B Min | BB: 47.69 (+0.23s | 0.5%) | Cleveland Aquatics | 10/17/2026 | 2026 MCC October Invite Copied | |
| 1892 | Alexander Varga | 47.93 | 9 | B Min | BB: 47.69 (+0.24s | 0.5%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1893 | Parker Lauhoff | 47.93 | 9 | B Min | BB: 47.69 (+0.24s | 0.5%) | South Lyon Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1894 | Hudson Austin | 47.93 | 10 | B Min | BB: 47.69 (+0.24s | 0.5%) | Bolles School Sharks | 01/16/2026 | 2026 Pentathlon | |
| 1895 | Henry Faconti | 47.93 | 9 | B Min | BB: 47.69 (+0.24s | 0.5%) | Highlands Ranch Aquatics | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 1896 | Seth DiMarco | 47.94 | 10 | B Min | BB: 47.69 (+0.25s | 0.5%) | Mystic Hammerheads | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 1897 | Mateo Jimenez | 47.94 | 10 | B Min | BB: 47.69 (+0.25s | 0.5%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1898 | Christopher Kim | 47.95 | 9 | B Min | BB: 47.69 (+0.26s | 0.5%) | Jersey Aquatic Club | 02/21/2026 | CAT 12 Under Silver Bronze Champs Region A | |
| 1899 | Srikar Yeturu | 47.95 | 10 | B Min | BB: 47.69 (+0.26s | 0.5%) | Delaware Riptide YMCA Swim Tea | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 1900 | James Kohler | 47.95 | 9 | B Min | BB: 47.69 (+0.26s | 0.5%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
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.