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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6301 | John Morris | 47.86 | 7 | B Min | BB: 42.89 (+4.97s | 10.4%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 6302 | Daniel McLain | 47.87 | 8 | B Min | BB: 42.89 (+4.98s | 10.4%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 6303 | Grayson Ahles | 47.87 | 9 | B Min | BB: 42.89 (+4.98s | 10.4%) | Saint Petersburg Aquatics | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 6304 | Marvin Sun | 47.88 | 9 | B Min | BB: 42.89 (+4.99s | 10.4%) | Monocacy Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 6305 | Austin Shinohara | 47.88 | 7 | B Min | BB: 42.89 (+4.99s | 10.4%) | Twisters Swim Club | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 6306 | Jordan Abouelazm | 47.88 | 10 | B Min | BB: 42.89 (+4.99s | 10.4%) | Fenix Swim Club | 10/11/2025 | NMST BMHG October Invite 25 Copied | |
| 6307 | Nickoli Stachlowski | 47.88 | 9 | B Min | BB: 42.89 (+4.99s | 10.4%) | Hillsboro Swim Team | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 6308 | Declan Adler Hickey | 47.88 | 9 | B Min | BB: 42.89 (+4.99s | 10.4%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 VSTP Polar Plunge | |
| 6309 | Branch Mills | 47.88 | 10 | B Min | BB: 42.89 (+4.99s | 10.4%) | YMCA of the Triangle Area Swim | 12/05/2025 | 2025 TYDE Winter Championship | |
| 6310 | Sam Signer | 47.88 | 10 | B Min | BB: 42.89 (+4.99s | 10.4%) | Unatached | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 6311 | Caleb Kelly | 47.89 | 8 | B Min | BB: 42.89 (+5.00s | 10.4%) | Frederick Area Swim Team | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 6312 | Colton Cain | 47.89 | 9 | B Min | BB: 42.89 (+5.00s | 10.4%) | Charlotte County Swimming | 02/21/2026 | CCS Last Chance Meet Feb 2026 | |
| 6313 | Leo Labay | 47.90 | 10 | B Min | BB: 42.89 (+5.01s | 10.5%) | YMCA of Austin Swim Alliance | 11/01/2025 | 2025 ST ASC Fall Classic | |
| 6314 | Kenneth Chao | 47.90 | 8 | B Min | BB: 42.89 (+5.01s | 10.5%) | Trident Aquatic Club | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | |
| 6315 | Qianxun Zhu | 47.90 | 7 | B Min | BB: 42.89 (+5.01s | 10.5%) | Pipeline Swimming | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 6316 | Emmett Fredericksen | 47.91 | 9 | B Min | BB: 42.89 (+5.02s | 10.5%) | Sioux Falls Swim Team | 01/23/2026 | SFST SD 2026 January Invite | |
| 6317 | Caleb Monteil | 47.91 | 10 | B Min | BB: 42.89 (+5.02s | 10.5%) | Old Dominion Aquatic Club | 01/10/2026 | ODAC January 2026 Rising Stars Meet | |
| 6318 | Alvin Zhang | 47.91 | 10 | B Min | BB: 42.89 (+5.02s | 10.5%) | First Colony Swim Team, Inc. | 09/21/2024 | 2024 FCST Red V Blue Challenge | |
| 6319 | Oran Powers | 47.91 | 8 | B Min | BB: 42.89 (+5.02s | 10.5%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 6320 | Braylen Fenech | 47.91 | 9 | B Min | BB: 42.89 (+5.02s | 10.5%) | Brighton Aquatics Bull Sharks | 02/28/2026 | 2026 Last Chance Meet | |
| 6321 | George Li | 47.91 | 8 | B Min | BB: 42.89 (+5.02s | 10.5%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 6322 | Miles Cappola | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Annapolis Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 6323 | Burke Fossee | 47.92 | 8 | B Min | BB: 42.89 (+5.03s | 10.5%) | Pointe Aquatics | 01/10/2026 | 2026 PA Invite | |
| 6324 | Tristan Osborne | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Altavista Area YMCA Dolphins | 03/07/2026 | PYSA Champs 2026 | |
| 6325 | Daniel Bizyayev | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 6326 | Everett Lesnau | 47.92 | 8 | B Min | BB: 42.89 (+5.03s | 10.5%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 6327 | Jaxson Stanford | 47.93 | 9 | B Min | BB: 42.89 (+5.04s | 10.5%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 6328 | Tate Cody | 47.93 | 10 | B Min | BB: 42.89 (+5.04s | 10.5%) | Fremont Area Swim Team | 03/14/2026 | 2026 MW App Nebraska YMCA Champs | |
| 6329 | Benjamin Rivera | 47.93 | 9 | B Min | BB: 42.89 (+5.04s | 10.5%) | YMCA of Northwest North Caroli | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 6330 | Noah Granek Brown | 47.93 | 7 | B Min | BB: 42.89 (+5.04s | 10.5%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 6331 | Ted Nam | 47.93 | 10 | B Min | BB: 42.89 (+5.04s | 10.5%) | Club Husker | 09/27/2025 | 2025 MW HLA September Splash | |
| 6332 | Asher Todd | 47.93 | 9 | B Min | BB: 42.89 (+5.04s | 10.5%) | Hillsborough Aquatic Club | 12/12/2025 | Triad Tropic Invitational Copied | |
| 6333 | Noah Price | 47.93 | 8 | B Min | BB: 42.89 (+5.04s | 10.5%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 6334 | Alexander Dansereau | 47.93 | 7 | B Min | BB: 42.89 (+5.04s | 10.5%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 6335 | James Haller | 47.93 | 8 | B Min | BB: 42.89 (+5.04s | 10.5%) | Bayside Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 6336 | Ari Kautzer | 47.94 | 9 | B Min | BB: 42.89 (+5.05s | 10.5%) | Lakewood Ranch Swim Associatio | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 6337 | Patrick Reed | 47.94 | 9 | B Min | BB: 42.89 (+5.05s | 10.5%) | Jcc Swimming | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 6338 | Griffin Arroyo | 47.94 | 8 | B Min | BB: 42.89 (+5.05s | 10.5%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 6339 | Daman Somal | 47.94 | 10 | B Min | BB: 42.89 (+5.05s | 10.5%) | Charlevoix Stingrays | 02/15/2026 | 2026 MTSL Championship | |
| 6340 | James Witt | 47.94 | 9 | B Min | BB: 42.89 (+5.05s | 10.5%) | Roseburg Y Swim Team | 01/10/2026 | 2026 SCAT B C Open | |
| 6341 | Samuel Smith | 47.95 | 10 | B Min | BB: 42.89 (+5.06s | 10.6%) | Fort Collins Area Swim Team | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 6342 | Carter Vizcarra | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 6343 | Brandon Chase | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 6344 | Zade Khan | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | Lakewood Ranch Swim Associatio | 01/17/2025 | 2025 Hot Chocolate Invite | |
| 6345 | Caleb Simmons | 47.95 | 10 | B Min | BB: 42.89 (+5.06s | 10.6%) | Old Dominion Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 6346 | Michael Waniewski | 47.95 | 9 | B Min | BB: 42.89 (+5.06s | 10.6%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 6347 | Bruno Rech | 47.96 | 8 | B Min | BB: 42.89 (+5.07s | 10.6%) | Lone Star Aquatic Club | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 6348 | Max Bookstein | 47.96 | 10 | B Min | BB: 42.89 (+5.07s | 10.6%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 6349 | William Nelson | 47.96 | 10 | B Min | BB: 42.89 (+5.07s | 10.6%) | Texas Elite Swim Team | 11/09/2024 | 2024 LSST November Open Meet | |
| 6350 | Leo Gershteyn | 47.96 | 10 | B Min | BB: 42.89 (+5.07s | 10.6%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High 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.