USA Boys 10 & under - 50 M Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1801 | Benjamin Noorda | 48.25 | 9 | BB Min | A: 43.09 (+5.16s | 10.7%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 1802 | Declan Becker | 48.25 | 9 | BB Min | A: 43.09 (+5.16s | 10.7%) | Woodbridge Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 1803 | Jeffrey Krell | 48.25 | 9 | BB Min | A: 43.09 (+5.16s | 10.7%) | YMCA of Virginia\\\\\\'s Blue Ridge | 06/19/2026 | 2026 Firefish June Jam | |
| 1804 | Milo Chan | 48.26 | 9 | BB Min | A: 43.09 (+5.17s | 10.7%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1805 | Mason Blois | 48.27 | 9 | BB Min | A: 43.09 (+5.18s | 10.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 1806 | Weston Tyrrell | 48.27 | 8 | BB Min | A: 43.09 (+5.18s | 10.7%) | Capital City Athletics | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 1807 | Albert Frolov | 48.28 | 9 | BB Min | A: 43.09 (+5.19s | 10.7%) | Bravo Swim Team | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 1808 | Henry Jian | 48.30 | 10 | BB Min | A: 43.09 (+5.21s | 10.8%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1809 | James Carwin | 48.30 | 9 | BB Min | A: 43.09 (+5.21s | 10.8%) | Front Range Barracudas | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 1810 | Robert Gentry | 48.30 | 10 | BB Min | A: 43.09 (+5.21s | 10.8%) | Hill Country Aquatics | 05/22/2026 | 2026 ST ASC Spring Showcase | |
| 1811 | Ruslan Kalinnikov | 48.30 | 8 | BB Min | A: 43.09 (+5.21s | 10.8%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 1812 | Chun Huang | 48.30 | 9 | BB Min | A: 43.09 (+5.21s | 10.8%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 1813 | Arthur Fortin | 48.31 | 9 | BB Min | A: 43.09 (+5.22s | 10.8%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 1814 | Grant Schmidlin | 48.31 | 8 | BB Min | A: 43.09 (+5.22s | 10.8%) | Commonwealth Swimming | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1815 | Evan Brisco | 48.32 | 10 | BB Min | A: 43.09 (+5.23s | 10.8%) | Velocity Aquatics | 07/17/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1816 | Alex Liu | 48.32 | 9 | BB Min | A: 43.09 (+5.23s | 10.8%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 1817 | Jonah Osborn | 48.33 | 9 | BB Min | A: 43.09 (+5.24s | 10.8%) | Tac Titans | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 1818 | Adam Wanichek | 48.33 | 10 | BB Min | A: 43.09 (+5.24s | 10.8%) | Bellevue Club Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1819 | Ellis Houghton | 48.34 | 8 | BB Min | A: 43.09 (+5.25s | 10.9%) | Georgia Coastal Aquatic Team | 05/23/2025 | EAJ Mayhem 2025 | |
| 1820 | Daniel Wang | 48.34 | 10 | BB Min | A: 43.09 (+5.25s | 10.9%) | Seattle Metropolitan Aquatic C | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 1821 | Arthur Dodington | 48.35 | 9 | BB Min | A: 43.09 (+5.26s | 10.9%) | Edina Swim Club | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | |
| 1822 | Vincent Auger | 48.35 | 10 | BB Min | A: 43.09 (+5.26s | 10.9%) | Cincinnati Marlins | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1823 | Chris Oh | 48.35 | 10 | BB Min | A: 43.09 (+5.26s | 10.9%) | Crimson Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1824 | Moss Fano | 48.36 | 9 | BB Min | A: 43.09 (+5.27s | 10.9%) | Team Greenville | 06/12/2025 | Holtrey Summer Classic | |
| 1825 | Matthew Fernandez | 48.36 | 9 | BB Min | A: 43.09 (+5.27s | 10.9%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 1826 | Aadyant Agrawal | 48.36 | 9 | BB Min | A: 43.09 (+5.27s | 10.9%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1827 | Kieran Wilson | 48.37 | 10 | BB Min | A: 43.09 (+5.28s | 10.9%) | Northeast Family YMCA | 05/08/2026 | 2026 Cardinal Aquatics Summer Throwdown | |
| 1828 | Arjun Jois | 48.38 | 8 | BB Min | A: 43.09 (+5.29s | 10.9%) | Houston Bridge Bats | 06/14/2025 | CCLR CEM Summer Beach Bash LCM Unclassified | |
| 1829 | Bryan Moore | 48.38 | 10 | BB Min | A: 43.09 (+5.29s | 10.9%) | Watauga Swim Team | 06/19/2026 | 19th Annual Bob Pratt Invitational Copied | |
| 1830 | Aydin Alam | 48.39 | 10 | BB Min | A: 43.09 (+5.30s | 11.0%) | New Albany Aquatics Club | 07/10/2026 | 2026 OH Central LC Regional Champs | |
| 1831 | Arick Yuan | 48.39 | 10 | BB Min | A: 43.09 (+5.30s | 11.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1832 | Hongyi Shu | 48.40 | 9 | BB Min | A: 43.09 (+5.31s | 11.0%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 1833 | Lucas Bunge | 48.40 | 8 | BB Min | A: 43.09 (+5.31s | 11.0%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 1834 | Isaiah Bridge | 48.40 | 10 | BB Min | A: 43.09 (+5.31s | 11.0%) | Redmond Aquatic Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 1835 | Dashel Archer | 48.40 | 10 | BB Min | A: 43.09 (+5.31s | 11.0%) | Evergreen Hurricanes | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 1836 | Mars Meihack | 48.41 | 9 | BB Min | A: 43.09 (+5.32s | 11.0%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1837 | Henry Giddings | 48.43 | 10 | BB Min | A: 43.09 (+5.34s | 11.0%) | Cincinnati Marlins | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 1838 | Larson Memont | 48.43 | 9 | BB Min | A: 43.09 (+5.34s | 11.0%) | Andover-North Andover YMCA Hur | 07/11/2026 | 2026 NE YNS July Last Chance Meet | |
| 1839 | Oliver Bark | 48.43 | 9 | BB Min | A: 43.09 (+5.34s | 11.0%) | Annapolis Swim Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 1840 | James Coble | 48.44 | 10 | BB Min | A: 43.09 (+5.35s | 11.0%) | Tennessee Aquatics | 04/24/2026 | 2026 ARENA Long Course Invitational Meet | |
| 1841 | August Baikauskas | 48.44 | 9 | BB Min | A: 43.09 (+5.35s | 11.0%) | Loyola Blakefield Aquatics | 07/29/2026 | 2026 MD LSC LC Championship | |
| 1842 | Rolen Totura | 48.45 | 8 | BB Min | A: 43.09 (+5.36s | 11.1%) | Springfield YMCA Swim Team | 06/26/2026 | 88th CSP Summer Invitational | |
| 1843 | Eric Wu | 48.46 | 10 | BB Min | A: 43.09 (+5.37s | 11.1%) | Florida Atlantic Aquatics | 07/10/2026 | 2026 FG LCM BB Champs North | |
| 1844 | Caleb Lau | 48.46 | 9 | BB Min | A: 43.09 (+5.37s | 11.1%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 1845 | Hohyeon Cho | 48.47 | 10 | BB Min | A: 43.09 (+5.38s | 11.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1846 | Alexander Zavala | 48.47 | 9 | BB Min | A: 43.09 (+5.38s | 11.1%) | Tuna Swim Club | 07/17/2026 | 2026 MN TUNA LC MRC | |
| 1847 | Jasper Zhong | 48.47 | 8 | BB Min | A: 43.09 (+5.38s | 11.1%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1848 | Ethan Yang | 48.47 | 9 | BB Min | A: 43.09 (+5.38s | 11.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1849 | Nicolas Bastida Gonzalez | 48.47 | 10 | BB Min | A: 43.09 (+5.38s | 11.1%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 1850 | Joseph Leach | 48.47 | 9 | BB Min | A: 43.09 (+5.38s | 11.1%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
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.