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 | Quentyn Boerboom | 40.16 | 10 | BB Min | A: 37.59 (+2.57s | 6.4%) | Southwest Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1752 | Jake Young | 40.16 | 8 | BB Min | A: 37.59 (+2.57s | 6.4%) | Rocket Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1753 | Maddox Dudley | 40.17 | 8 | BB Min | A: 37.59 (+2.58s | 6.4%) | Gamecock Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 1754 | Keaton Visser | 40.17 | 10 | BB Min | A: 37.59 (+2.58s | 6.4%) | Byron Center Aquatics | 02/07/2026 | 2026 Grand Rapids Open | |
| 1755 | Keller Cox | 40.17 | 10 | BB Min | A: 37.59 (+2.58s | 6.4%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1756 | Cooper Lincoln | 40.17 | 9 | BB Min | A: 37.59 (+2.58s | 6.4%) | Stingrays Swim Team | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1757 | Andres Velazquez | 40.17 | 9 | BB Min | A: 37.59 (+2.58s | 6.4%) | Pro Swimming | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 1758 | Mark Chechuy | 40.18 | 10 | BB Min | A: 37.59 (+2.59s | 6.4%) | South Orange County Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1759 | Logan Nguyen | 40.18 | 10 | BB Min | A: 37.59 (+2.59s | 6.4%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 1760 | Maximus Erhardt | 40.18 | 10 | BB Min | A: 37.59 (+2.59s | 6.4%) | Cardinal and Gold Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 1761 | Oliver Ni | 40.18 | 10 | BB Min | A: 37.59 (+2.59s | 6.4%) | Makos Aquatics Club of Gainesv | 02/14/2026 | 10th Annual Small Team Championships | |
| 1762 | Sebastian Bernardo | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Unattached | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 1763 | Ryden Ciammaichella | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 1764 | Gabriel Davis | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Condors Swim Club | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 1765 | Shuyi Tan | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 1766 | Henry Mertz | 40.19 | 10 | BB Min | A: 37.59 (+2.60s | 6.5%) | Victory Lane Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1767 | Chinmay Joshi | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1768 | Vedang Joshi | 40.19 | 10 | BB Min | A: 37.59 (+2.60s | 6.5%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1769 | Henry Bach | 40.20 | 9 | BB Min | A: 37.59 (+2.61s | 6.5%) | Cincinnati Marlins | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1770 | Chuanrui Li | 40.21 | 10 | BB Min | A: 37.59 (+2.62s | 6.5%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1771 | Eric Ruan | 40.21 | 10 | BB Min | A: 37.59 (+2.62s | 6.5%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1772 | Ian Tate | 40.22 | 10 | BB Min | A: 37.59 (+2.63s | 6.5%) | Peters Township Swim Club | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1773 | Jimmy Chen | 40.22 | 9 | BB Min | A: 37.59 (+2.63s | 6.5%) | Monterey Park Manta Rays | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1774 | Wesley Clemens | 40.22 | 10 | BB Min | A: 37.59 (+2.63s | 6.5%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1775 | Abir Patowary | 40.22 | 10 | BB Min | A: 37.59 (+2.63s | 6.5%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1776 | Ryan Murray | 40.22 | 9 | BB Min | A: 37.59 (+2.63s | 6.5%) | Denver Swim Academy | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 1777 | Arlo Holland | 40.23 | 10 | BB Min | A: 37.59 (+2.64s | 6.6%) | Excel Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 1778 | Oliver Morris | 40.23 | 9 | BB Min | A: 37.59 (+2.64s | 6.6%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 1779 | Dashel Dean | 40.23 | 10 | BB Min | A: 37.59 (+2.64s | 6.6%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 1780 | Maxwell Rosensweet | 40.23 | 10 | BB Min | A: 37.59 (+2.64s | 6.6%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1781 | Ryan Wang | 40.23 | 9 | BB Min | A: 37.59 (+2.64s | 6.6%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 1782 | Austin Chang | 40.24 | 10 | BB Min | A: 37.59 (+2.65s | 6.6%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1783 | Jake McNair | 40.24 | 9 | BB Min | A: 37.59 (+2.65s | 6.6%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1784 | Christopher Laczynski | 40.25 | 10 | BB Min | A: 37.59 (+2.66s | 6.6%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1785 | Ico Tamayo | 40.25 | 9 | BB Min | A: 37.59 (+2.66s | 6.6%) | Cali Piranha Swim Team | 04/11/2026 | 2026 SI FAST BC All Ages | |
| 1786 | Duke Montgomery | 40.25 | 10 | BB Min | A: 37.59 (+2.66s | 6.6%) | Winning Waters Aquatics Club | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1787 | Xander McGraw | 40.25 | 10 | BB Min | A: 37.59 (+2.66s | 6.6%) | Bellevue Swim Club | 01/17/2026 | 2026 MW BSC NTS Carnival Meet | |
| 1788 | Kian Bryson | 40.25 | 10 | BB Min | A: 37.59 (+2.66s | 6.6%) | Lake Oswego Swim Club | 10/18/2025 | 2025 LOSC October Intrasquad | |
| 1789 | Eric Sliwowski | 40.26 | 9 | BB Min | A: 37.59 (+2.67s | 6.6%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1790 | Charlie Chung | 40.26 | 9 | BB Min | A: 37.59 (+2.67s | 6.6%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1791 | William Aquino | 40.26 | 10 | BB Min | A: 37.59 (+2.67s | 6.6%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1792 | Lucas Li | 40.27 | 8 | BB Min | A: 37.59 (+2.68s | 6.7%) | Dragon Swim Team | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 1793 | John De Matties | 40.27 | 10 | BB Min | A: 37.59 (+2.68s | 6.7%) | The Capitol Sea Devils | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1794 | Thierry Odonnell | 40.27 | 9 | BB Min | A: 37.59 (+2.68s | 6.7%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1795 | Wyatt Parker | 40.27 | 10 | BB Min | A: 37.59 (+2.68s | 6.7%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1796 | Weston Yates | 40.28 | 9 | BB Min | A: 37.59 (+2.69s | 6.7%) | Waves Of Wilmington Inc | 05/29/2026 | 2026 NSEA Swim May Flowers WOW Dual Meet | |
| 1797 | Xander Liu | 40.28 | 10 | BB Min | A: 37.59 (+2.69s | 6.7%) | Sailfish | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 1798 | Daniel Popko | 40.28 | 9 | BB Min | A: 37.59 (+2.69s | 6.7%) | Matchpoint Nyc | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1799 | Matthew Lessard | 40.28 | 8 | BB Min | A: 37.59 (+2.69s | 6.7%) | South Lake Aquatic Club | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1800 | Kayden Hong | 40.29 | 9 | BB Min | A: 37.59 (+2.70s | 6.7%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR AGUA Last Chance 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.