USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Bromley Ashforth | 40.84 | 7 | B Min | BB: 39.79 (+1.05s | 2.6%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 2002 | Ben Noorda | 40.84 | 9 | B Min | BB: 39.79 (+1.05s | 2.6%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2003 | Ethan Park | 40.87 | 9 | B Min | BB: 39.79 (+1.08s | 2.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 2004 | James McAlister | 40.87 | 10 | B Min | BB: 39.79 (+1.08s | 2.6%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 2005 | Alexander Forero | 40.87 | 9 | B Min | BB: 39.79 (+1.08s | 2.6%) | Patriot Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 2006 | Macklin Robson | 40.87 | 10 | B Min | BB: 39.79 (+1.08s | 2.6%) | Cincinnati Marlins | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 2007 | Daniel Rondel | 40.87 | 9 | B Min | BB: 39.79 (+1.08s | 2.6%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 2008 | Jayden Lim | 40.87 | 8 | B Min | BB: 39.79 (+1.08s | 2.6%) | Life Time Swim Missouri | 06/26/2026 | 88th CSP Summer Invitational | |
| 2009 | Colin Kershner | 40.88 | 10 | B Min | BB: 39.79 (+1.09s | 2.7%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 2010 | Mathias Jovel | 40.88 | 9 | B Min | BB: 39.79 (+1.09s | 2.7%) | Nocatee Bluetide Swim Team | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 2011 | Theo Glaus | 40.89 | 8 | B Min | BB: 39.79 (+1.10s | 2.7%) | Tuna Swim Club | 06/20/2026 | 2026 MN TUNA Summer Splash | |
| 2012 | Sean McKenna | 40.89 | 10 | B Min | BB: 39.79 (+1.10s | 2.7%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 2013 | DongHyuk Kang | 40.89 | 9 | B Min | BB: 39.79 (+1.10s | 2.7%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 2014 | Hantian You | 40.89 | 10 | B Min | BB: 39.79 (+1.10s | 2.7%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 2015 | Greyson Straka | 40.90 | 9 | B Min | BB: 39.79 (+1.11s | 2.7%) | Evergreen Hurricanes | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 2016 | Jeffrey Krell | 40.90 | 9 | B Min | BB: 39.79 (+1.11s | 2.7%) | YMCA of Virginia\\\\\\'s Blue Ridge | 06/19/2026 | 2026 Firefish June Jam | |
| 2017 | Zachary Iannamico | 40.90 | 10 | B Min | BB: 39.79 (+1.11s | 2.7%) | Inland Coastal Aquatic Club | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 2018 | Jack Delaney | 40.91 | 9 | B Min | BB: 39.79 (+1.12s | 2.7%) | Gbsa - Greater Baltimore Swim | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 2019 | Cole Goodrum | 40.91 | 10 | B Min | BB: 39.79 (+1.12s | 2.7%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 2020 | Saien Wu | 40.91 | 10 | B Min | BB: 39.79 (+1.12s | 2.7%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 2021 | August Speziale | 40.92 | 10 | B Min | BB: 39.79 (+1.13s | 2.8%) | Great Lakes Sailfish Swimming | 06/12/2025 | Holtrey Summer Classic | |
| 2022 | Patrick Velgersdyk | 40.92 | 10 | B Min | BB: 39.79 (+1.13s | 2.8%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 2023 | Steevenson Martins | 40.93 | 9 | B Min | BB: 39.79 (+1.14s | 2.8%) | McMinnville Swim Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 2024 | Ian Liu | 40.93 | 9 | B Min | BB: 39.79 (+1.14s | 2.8%) | Riptide Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 2025 | Boone Bibee | 40.93 | 9 | B Min | BB: 39.79 (+1.14s | 2.8%) | Cleveland Aquatics | 04/24/2026 | 2026 ARENA Long Course Invitational Meet | |
| 2026 | Liam Chen | 40.94 | 10 | B Min | BB: 39.79 (+1.15s | 2.8%) | Flying Fish Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 2027 | Benjamin Castro E Silva | 40.95 | 10 | B Min | BB: 39.79 (+1.16s | 2.8%) | Doral Swim Club | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 2028 | Charles Heffernan | 40.95 | 8 | B Min | BB: 39.79 (+1.16s | 2.8%) | Legacy Aquatics | 05/01/2026 | 2026 THSC Spring Invite | |
| 2029 | Julian Zhang | 40.96 | 10 | B Min | BB: 39.79 (+1.17s | 2.9%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 2030 | Sebastian Feldman | 40.96 | 10 | B Min | BB: 39.79 (+1.17s | 2.9%) | Atlantis Swimming | 05/16/2025 | Busbey Invitational 2025 | |
| 2031 | Benjamin Kearney | 40.96 | 10 | B Min | BB: 39.79 (+1.17s | 2.9%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 2032 | Beckett Rossi | 40.96 | 9 | B Min | BB: 39.79 (+1.17s | 2.9%) | Bishop Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | |
| 2033 | Braulio Garcia A. | 40.97 | 10 | B Min | BB: 39.79 (+1.18s | 2.9%) | A T L | 06/12/2026 | 2026 BD DSSC Poppas Day | |
| 2034 | Russell Wagner | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Planet Swim Aquatics | 06/05/2026 | 2026 Sunshine State Games | |
| 2035 | Simon Spidle | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Georgia Coastal Aquatic Team | 05/23/2025 | EAJ Mayhem 2025 | |
| 2036 | Isaac Burla | 40.98 | 10 | B Min | BB: 39.79 (+1.19s | 2.9%) | South East Metro Sharks | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 2037 | James Lehn | 40.99 | 10 | B Min | BB: 39.79 (+1.20s | 2.9%) | Hastings Y Aquatic Club | 02/01/2026 | 2026 MW App HG Scott Usher Pentathlon | |
| 2038 | Kevin Zhang | 40.99 | 9 | B Min | BB: 39.79 (+1.20s | 2.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 2039 | Holden Hanna | 40.99 | 10 | B Min | BB: 39.79 (+1.20s | 2.9%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | |
| 2040 | Cameron Roberts | 40.99 | 8 | B Min | BB: 39.79 (+1.20s | 2.9%) | Sailfish | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2041 | Winston Weisser | 41.00 | 8 | B Min | BB: 39.79 (+1.21s | 3.0%) | Nashville Aquatic Club | 04/18/2026 | HSA April LC Meet | |
| 2042 | Andrii Ivanov | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Valley Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2043 | Sawyer Mabry | 41.00 | 9 | B Min | BB: 39.79 (+1.21s | 3.0%) | Wild West Aquatic Club | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 2044 | Karl Dunkel | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Crimson Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2045 | Declan Kimball | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Williamsburg Aquatic Club | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 2046 | Adam Seckinger | 41.00 | 9 | B Min | BB: 39.79 (+1.21s | 3.0%) | Annapolis Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 2047 | Henry Jian | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 2048 | Luke Malovany | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Fenix Swim Club | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 2049 | Aaron Lam | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | South Shore YMCA Strypers | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2050 | Caleb Klinger | 41.01 | 10 | B Min | BB: 39.79 (+1.22s | 3.0%) | Piranhas YMCA of the Suncoast | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE 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.