USA Boys 10 & under - 50 Y Free
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 | George Makin | 32.65 | 10 | BB Min | A: 31.09 (+1.56s | 4.8%) | Radnor Aquatic Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1852 | Asher Josey | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1853 | Lucas Reznik | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1854 | Liam Laudier | 32.66 | 9 | BB Min | A: 31.09 (+1.57s | 4.8%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 1855 | Oleksandr Yaroshyk | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | |
| 1856 | Nino Arndt | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 1857 | Jonathan Short | 32.66 | 10 | BB Min | A: 31.09 (+1.57s | 4.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1858 | Evan Willis | 32.67 | 10 | BB Min | A: 31.09 (+1.58s | 4.8%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1859 | Samuel Williams | 32.67 | 9 | BB Min | A: 31.09 (+1.58s | 4.8%) | Battle Ground High School | 02/13/2026 | 2026 District IV 3A 4A Mens Championships | |
| 1860 | Alexander Davidson | 32.67 | 8 | BB Min | A: 31.09 (+1.58s | 4.8%) | Tri-Y Swim Club | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1861 | Eason Kim | 32.67 | 9 | BB Min | A: 31.09 (+1.58s | 4.8%) | All Star Aquatics | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1862 | Daniel Popko | 32.67 | 9 | BB Min | A: 31.09 (+1.58s | 4.8%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1863 | Sava Sikirica | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Suburban Seahawks Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1864 | Charles Perry | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1865 | Grant Zimmermann | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | YMCA of the Triangle Area Swim | 01/23/2026 | GCY Winter Meet 2026 | |
| 1866 | Michael Evans | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Sea Dragon Aquatics | 11/22/2025 | 2025 SDA November Open | |
| 1867 | Forest Hastings | 32.68 | 10 | BB Min | A: 31.09 (+1.59s | 4.9%) | Roseburg High School | 02/14/2025 | 2025 OR HS 6A 7 | |
| 1868 | Ian Susanto | 32.68 | 9 | BB Min | A: 31.09 (+1.59s | 4.9%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1869 | Asher Caponera | 32.68 | 9 | BB Min | A: 31.09 (+1.59s | 4.9%) | Florida Atlantic Aquatics | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1870 | Caleb Shepler | 32.69 | 9 | BB Min | A: 31.09 (+1.60s | 4.9%) | Motor City Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 1871 | George Yu | 32.69 | 10 | BB Min | A: 31.09 (+1.60s | 4.9%) | Santa Clara Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1872 | Brian Yu | 32.69 | 10 | BB Min | A: 31.09 (+1.60s | 4.9%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1873 | Jake McNair | 32.69 | 9 | BB Min | A: 31.09 (+1.60s | 4.9%) | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 1874 | Keller Cox | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1875 | Yong-Jun Yu | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1876 | Luca DeTillio | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1877 | Aaron Kim | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | EL Paso Border Land Swim Team | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 1878 | Ethan Gaffin | 32.70 | 9 | BB Min | A: 31.09 (+1.61s | 4.9%) | Unattached | 04/10/2026 | 2026 ST SASA Sombrero Series Showdown | |
| 1879 | Liam O'Brien | 32.70 | 9 | BB Min | A: 31.09 (+1.61s | 4.9%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1880 | Micah Balmaceda | 32.70 | 10 | BB Min | A: 31.09 (+1.61s | 4.9%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1881 | Demid Mozgov | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Bure-Aqua Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1882 | Nikoloz Zhorzholiani | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1883 | Lucas Ni | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Makos Aquatics Club of Gainesv | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 1884 | Everett Beichner | 32.71 | 9 | BB Min | A: 31.09 (+1.62s | 5.0%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1885 | Aaron Rich | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Kingfish Swimming Medfield | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1886 | Preston Tran | 32.71 | 10 | BB Min | A: 31.09 (+1.62s | 5.0%) | Irvine Novaquatics | 02/14/2025 | 2025 CCS SCY AGC | |
| 1887 | Jonathan Li | 32.72 | 8 | BB Min | A: 31.09 (+1.63s | 5.0%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1888 | Nick Scarpitti | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1889 | Palmantonio Semerano | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Belen Jesuit Preparatory | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 1890 | Matthew Castaneda | 32.72 | 10 | BB Min | A: 31.09 (+1.63s | 5.0%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 1891 | Evan Wik | 32.72 | 9 | BB Min | A: 31.09 (+1.63s | 5.0%) | Southwest Stars Swim Club | 02/21/2026 | 2026 SLAC Last Chance To Dance Invitational | |
| 1892 | Corban Williams | 32.73 | 9 | BB Min | A: 31.09 (+1.64s | 5.0%) | Selah | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 1893 | William Heath | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | YMCA of Greater Nashua Storm | 10/10/2025 | 2025 NE CRA October Distance Specialty Meet | |
| 1894 | Kenneth Huang | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Charles River Aquatics | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1895 | Liam Markey | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Apex Aquatic Club | 02/20/2026 | 2026 FXFX Forty Niner | |
| 1896 | Andrick McDermott | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1897 | Elliott Renner | 32.73 | 10 | BB Min | A: 31.09 (+1.64s | 5.0%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1898 | Liam Woods | 32.74 | 10 | BB Min | A: 31.09 (+1.65s | 5.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1899 | Conrad Shwe | 32.74 | 9 | BB Min | A: 31.09 (+1.65s | 5.0%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1900 | Luka O'Brien | 32.74 | 10 | BB Min | A: 31.09 (+1.65s | 5.0%) | The Woodlands Swim Team | 10/25/2024 | 2024 TWST Halloween Meet | |
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.