USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1751 | Simiao He | 39.44 | 10 | BB Min | A: 37.59 (+1.85s | 4.7%) | Circle C Select Swim Team | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 1752 | Michael Rybak | 39.45 | 10 | BB Min | A: 37.59 (+1.86s | 4.7%) | Zeus Swim Team | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1753 | Henry Chenier | 39.46 | 9 | BB Min | A: 37.59 (+1.87s | 4.7%) | YMCA OF Western North Carolina | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 1754 | Logan Shepherd | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | Bowling Green Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1755 | Elliott Horng | 39.46 | 9 | BB Min | A: 37.59 (+1.87s | 4.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1756 | Collin James | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | West Linn | 02/15/2025 | 2025 OR HS 6A 5 | |
| 1757 | Teddy Schulkers | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | Mariemont Ohio Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1758 | Terence Wu | 39.46 | 9 | BB Min | A: 37.59 (+1.87s | 4.7%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1759 | Brendon Kim | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1760 | Vaughn Jacob | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Mount Hood Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1761 | Nikita Saharov | 39.47 | 9 | BB Min | A: 37.59 (+1.88s | 4.8%) | Freedom Aquatics | 09/27/2025 | 2025 MR FREE Season Starter | |
| 1762 | Kyle Sohn | 39.47 | 7 | BB Min | A: 37.59 (+1.88s | 4.8%) | Twisters Swim Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1763 | Thiago Orellana | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Wauseon Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1764 | Isaac Marcuson | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1765 | Anthony Wang | 39.47 | 9 | BB Min | A: 37.59 (+1.88s | 4.8%) | Dragon Swim Team | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1766 | Joshua Lung | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Unattached | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 1767 | HanJun Zhang | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1768 | Watson She | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 1769 | Shepard Elenkiwich | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Minnetonka Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1770 | Duke Neligan | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | South Lyon Aquatics | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1771 | Ethan Yao | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1772 | Sam Steiner | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 1773 | Hays Wilson | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Nashville Aquatic Club | 03/06/2026 | Speedo Southern Premier | |
| 1774 | Aidan Grish | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 1775 | Santiago Rodriguez | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Cyclones Swim Team | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 1776 | Eli Li | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1777 | Nicholas Mosendz | 39.49 | 9 | BB Min | A: 37.59 (+1.90s | 4.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 1778 | Kyle Garcia-Celis | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Sarasota Tsunami Swim Team | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1779 | Braden Hussey | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Bluefish Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1780 | Lucas Calderon Hilares | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1781 | Norman Glauberman | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1782 | Hughie Easterday-Woodson | 39.50 | 9 | BB Min | A: 37.59 (+1.91s | 4.8%) | Riverbank RedTails Swim Team | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1783 | Alexander Pevzner | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Ridgewood YMCA Breakers Swim T | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 1784 | Greyson Bobev | 39.51 | 8 | BB Min | A: 37.59 (+1.92s | 4.9%) | The Berkeley Barracudas | 02/20/2026 | Bay Area Spring Championships | |
| 1785 | Etai Gavra | 39.51 | 9 | BB Min | A: 37.59 (+1.92s | 4.9%) | Patriot Aquatics | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 1786 | Devan Gupta | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1787 | Evan Buchanan | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Hudson Explorer Aquatic | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1788 | Miles Kavanaugh | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | University Place Aquatic Club | 04/26/2025 | 2025 PN UPAC Mark Olson Invitational | |
| 1789 | Wesley Lai | 39.53 | 10 | BB Min | A: 37.59 (+1.94s | 4.9%) | Harbor Seals | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1790 | Alexander Burges | 39.53 | 10 | BB Min | A: 37.59 (+1.94s | 4.9%) | Redmond | 02/13/2026 | 2026 OR HS 5A 4 | |
| 1791 | Braylon Ward | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Aquatex Swim & Water Polo Team | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1792 | Adam Jiang | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1793 | Penn Hofeld | 39.54 | 10 | BB Min | A: 37.59 (+1.95s | 4.9%) | Saint Andrew\\\\\\'s Aquatics | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 1794 | Nello Licamele | 39.55 | 10 | BB Min | A: 37.59 (+1.96s | 5.0%) | New Wave Swim Team | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 1795 | Shay Jain | 39.55 | 9 | BB Min | A: 37.59 (+1.96s | 5.0%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1796 | Noah Gaal | 39.55 | 9 | BB Min | A: 37.59 (+1.96s | 5.0%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1797 | Edison Ngo | 39.55 | 9 | BB Min | A: 37.59 (+1.96s | 5.0%) | Club Wolverine | 02/21/2026 | 2026 CW Goldfish Invite | |
| 1798 | Reed Larson | 39.56 | 10 | BB Min | A: 37.59 (+1.97s | 5.0%) | Blue Tide Aquatics | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 1799 | Coen Yazdani | 39.56 | 10 | BB Min | A: 37.59 (+1.97s | 5.0%) | San Antonio Wave | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1800 | Henry Goddard | 39.56 | 10 | BB Min | A: 37.59 (+1.97s | 5.0%) | Cascadia Swimming | 08/01/2025 | Big Kahuna 2025 | |
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.