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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1701 | Mack Maiser | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | Edina Swim Club | 12/20/2025 | 2025 MN EDI Gator Holiday Bash | |
| 1702 | Kippy Miller | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Granite Falls Makos | 10/18/2025 | 2025 NCAC IMX | |
| 1703 | Emmett Tourney | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | |
| 1704 | Connor Letts | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1705 | Aksaran Arunkumar | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | Buffalo Aquatics (Baac) | 10/10/2026 | 2026 Super STAR Series #1 | |
| 1706 | Simon Hankin | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Gulliver Preparatory School | 09/20/2025 | 20th Annual September Splash | |
| 1707 | Luke Brunet | 40.58 | 8 | BB Min | A: 37.59 (+2.99s | 7.4%) | Mid Michigan Aquatics Hurrican | 03/07/2026 | 2026 Lake Superior Regional Meet | |
| 1708 | Jude Matu | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1709 | Wesley Baird | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Empire Swimming | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 1710 | Eli Semberg | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Mariemont Ohio Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1711 | Darryl Davis | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 1712 | Logan Zhang | 40.59 | 9 | BB Min | A: 37.59 (+3.00s | 7.4%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1713 | Julius Voigt | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Island Aquatics | 09/26/2026 | 2026 MAGSA SCY B 1 Swim Meet | |
| 1714 | Paton Sawyer | 40.59 | 9 | BB Min | A: 37.59 (+3.00s | 7.4%) | Bellingham Bay Swim Team | 10/24/2026 | 2026 PN TAC Fall Thunderbird Open Approved | |
| 1715 | Joseph Leach | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 1716 | Tyler Salvatore | 40.60 | 9 | BB Min | A: 37.59 (+3.01s | 7.4%) | Jersey Wahoos | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1717 | Tanner Sheeran | 40.60 | 8 | BB Min | A: 37.59 (+3.01s | 7.4%) | Cavalier Aquatics/Piedmont Fam | 02/07/2026 | SW District 8 Under Championship | |
| 1718 | Christopher Roeder | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Aspen Swim Club | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | |
| 1719 | Charlie Vazac | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1720 | Ahaan Iragavarapu | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Bayclub Aquatic Swim Team | 10/10/2026 | 2026 PN SMAC Fall Kick Off Approved | |
| 1721 | Bradley Royce | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Highlands Ranch Aquatics | 09/11/2026 | 2026 CO Friday Night At The Races | |
| 1722 | Ashton Cofield | 40.61 | 7 | BB Min | A: 37.59 (+3.02s | 7.4%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 1723 | Evan Fairhurst | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1724 | Quentin Zhou | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 1725 | Caleb Reyes | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | Winning Waters Aquatics Club | 04/18/2026 | 2026 ST SCY Surge Earth Day | |
| 1726 | Wesley Lang | 40.62 | 9 | BB Min | A: 37.59 (+3.03s | 7.5%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1727 | Jeongdam Kong | 40.62 | 10 | BB Min | A: 37.59 (+3.03s | 7.5%) | Waterloo Swimming | 10/16/2026 | 2026 ST ASC Bob Thompson Open | |
| 1728 | Soren Ketz | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Longhorn Aquatics | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1729 | Emanuele Riccio | 40.64 | 10 | BB Min | A: 37.59 (+3.05s | 7.5%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 1730 | Declan Becker | 40.64 | 9 | BB Min | A: 37.59 (+3.05s | 7.5%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1731 | Miles VanderLinden | 40.64 | 10 | BB Min | A: 37.59 (+3.05s | 7.5%) | Truckee-Tahoe Swim Team | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 1732 | Graham Mallott | 40.65 | 10 | BB Min | A: 37.59 (+3.06s | 7.5%) | Dublin Community Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1733 | Cole Rivard | 40.65 | 9 | BB Min | A: 37.59 (+3.06s | 7.5%) | Quest Swimming | 12/05/2025 | NOVA December Dip | |
| 1734 | Austin Wang | 40.65 | 9 | BB Min | A: 37.59 (+3.06s | 7.5%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 1735 | Cameron Smith | 40.66 | 10 | BB Min | A: 37.59 (+3.07s | 7.6%) | Great Wolf Swim Team | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1736 | Joshua Gonen | 40.66 | 9 | BB Min | A: 37.59 (+3.07s | 7.6%) | YMCA of Austin Swim Alliance | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1737 | Donovan Di Loreto | 40.66 | 10 | BB Min | A: 37.59 (+3.07s | 7.6%) | Carson Tigersharks | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 1738 | Edison Ngo | 40.67 | 9 | BB Min | A: 37.59 (+3.08s | 7.6%) | Club Wolverine | 02/28/2026 | 2026 Last Chance Meet | |
| 1739 | Roman Williams | 40.67 | 8 | BB Min | A: 37.59 (+3.08s | 7.6%) | Tac Titans | 07/31/2026 | 2026 TAC TITANS Summer Sizzler | |
| 1740 | Alejandro Hopkins | 40.67 | 10 | BB Min | A: 37.59 (+3.08s | 7.6%) | Bgc-N. Westchester Marlins | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1741 | Silas Slevin | 40.67 | 9 | BB Min | A: 37.59 (+3.08s | 7.6%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 1742 | Jordan Melenbrink | 40.68 | 9 | BB Min | A: 37.59 (+3.09s | 7.6%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1743 | Theodore Carpenter | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | |
| 1744 | Lincoln Priebe | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | Whitmore Lake Waves | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1745 | Leland Tsou | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1746 | Oliver Panofsky | 40.69 | 9 | BB Min | A: 37.59 (+3.10s | 7.6%) | Slo Swim Club Seahawks | 02/14/2025 | 2025 CCS SCY AGC | |
| 1747 | Wesley Brown | 40.69 | 10 | BB Min | A: 37.59 (+3.10s | 7.6%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1748 | Sebastian Bernardo | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Fall River YMCA Lightning | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1749 | August Yarnelle | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Potomac Marlins | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1750 | Jacob Cardenas | 40.70 | 10 | BB Min | A: 37.59 (+3.11s | 7.6%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
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.