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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5351 | Oliver Relyea | 47.69 | 10 | B Min | BB: 42.89 (+4.80s | 10.1%) | River Falls Swim Club | 12/13/2025 | 2025 MN RFSC Winter Invite | |
| 5352 | Jack Kitch | 47.69 | 9 | B Min | BB: 42.89 (+4.80s | 10.1%) | Univ. of Denver Hilltoppers | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 5353 | George Boland | 47.69 | 8 | B Min | BB: 42.89 (+4.80s | 10.1%) | Life Time Swim Missouri | 10/09/2026 | Fall Festival Invitational | |
| 5354 | Riley Buckingham | 47.69 | 9 | B Min | BB: 42.89 (+4.80s | 10.1%) | Rogue Rapids | 10/09/2026 | 2026 Rogue Rapids Sofia Marks Invitational | |
| 5355 | Caleb Pearson | 47.70 | 9 | B Min | BB: 42.89 (+4.81s | 10.1%) | Quest Swimming | 03/21/2026 | Quest Swimming March Madness Intrasquad Mee | |
| 5356 | Aarush Gude | 47.70 | 8 | B Min | BB: 42.89 (+4.81s | 10.1%) | Sachem Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 5357 | Aditya Tandon | 47.70 | 8 | B Min | BB: 42.89 (+4.81s | 10.1%) | Huntington YMCA Bluefish | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 5358 | Colin Anderson | 47.70 | 10 | B Min | BB: 42.89 (+4.81s | 10.1%) | West Express Swim Team | 11/21/2025 | 2025 MN STRM 4th Annual Movember Invite | |
| 5359 | Samuel Matthews | 47.70 | 9 | B Min | BB: 42.89 (+4.81s | 10.1%) | Patuxent Aquatics Club | 03/21/2026 | 2026 Macaroni Penguin Inter Squad Meet | |
| 5360 | Logan Pho | 47.70 | 8 | B Min | BB: 42.89 (+4.81s | 10.1%) | South San Francisco Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 5361 | Gabriel Princz | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | Drop Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 5362 | Erik Zaimov | 47.71 | 8 | B Min | BB: 42.89 (+4.82s | 10.1%) | Tollefson Swimming | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 5363 | Alexander Tinajero | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | First Colony Swim Team, Inc. | 12/20/2024 | 2024 Gulf Fall Champs (ESCA AMBU) | |
| 5364 | Wing Chan | 47.71 | 10 | B Min | BB: 42.89 (+4.82s | 10.1%) | East Bay Silver Dolphins | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | |
| 5365 | Joseph McEttrick | 47.71 | 10 | B Min | BB: 42.89 (+4.82s | 10.1%) | Pacific Swim | 06/13/2026 | 2026 SI ICAC 14U RISING STARS 2 | |
| 5366 | Jack Bullard | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | Falfins Swimming | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 5367 | Benjamin Anzenberg | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | Piedmont Swim Team | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 5368 | Chase Yang | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | Burlingame Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 5369 | James Woods | 47.71 | 10 | B Min | BB: 42.89 (+4.82s | 10.1%) | Alamo Area Aquatic Association | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 5370 | Max Marvin-McIntire | 47.72 | 10 | B Min | BB: 42.89 (+4.83s | 10.1%) | Edina Swim Club | 03/07/2025 | 2025 MN EDI Minnesota Regional Championship | |
| 5371 | Tucker Woo | 47.72 | 7 | B Min | BB: 42.89 (+4.83s | 10.1%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 5372 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 5373 | George Winney | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Sarasota Tsunami Swim Team | 09/19/2026 | 2026 GCST FALL OPEN | |
| 5374 | David Mirzoyan | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Sarasota Sharks | 09/18/2026 | 2026 Sharks IMX Challenge | |
| 5375 | Parker Maddox | 47.72 | 10 | B Min | BB: 42.89 (+4.83s | 10.1%) | Southwest Stars Swim Club | 09/12/2026 | 2026 Elizabeth Kazeck Fall Sprint | |
| 5376 | Brogan Clay | 47.72 | 10 | B Min | BB: 42.89 (+4.83s | 10.1%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 5377 | Sullivan Chen | 47.72 | 10 | B Min | BB: 42.89 (+4.83s | 10.1%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 5378 | Andrew Hitt | 47.73 | 10 | B Min | BB: 42.89 (+4.84s | 10.1%) | Life Time Oregon Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 5379 | Benjamin Cook | 47.73 | 9 | B Min | BB: 42.89 (+4.84s | 10.1%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 5380 | Derrick Wang | 47.73 | 8 | B Min | BB: 42.89 (+4.84s | 10.1%) | Nitro Swimming | 09/06/2026 | 2026 ST NTRO Stephen J Wolleben Memorial Meet | |
| 5381 | Lukas Fischer | 47.73 | 9 | B Min | BB: 42.89 (+4.84s | 10.1%) | Lahaina Swim Club | 10/10/2026 | 2026 MAGSA SCY A 2 Swim Meet | |
| 5382 | Duke Heslop | 47.73 | 9 | B Min | BB: 42.89 (+4.84s | 10.1%) | Lakeridge Swim Team | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 5383 | Adam Osman | 47.73 | 8 | B Min | BB: 42.89 (+4.84s | 10.1%) | Dart Swimming | 07/25/2026 | 2026 REAL Championships | |
| 5384 | Lukas Baquera | 47.73 | 8 | B Min | BB: 42.89 (+4.84s | 10.1%) | Rattlers Swim Club | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 5385 | Grant Huisman | 47.74 | 8 | B Min | BB: 42.89 (+4.85s | 10.2%) | Sioux Center Seahawks | 03/01/2026 | 2026 MW Midwestern 8 Under SC Invitational | |
| 5386 | Mason Presley | 47.74 | 9 | B Min | BB: 42.89 (+4.85s | 10.2%) | Eagle Swimming Association | 11/02/2024 | SSAN 2024 Fall Invite | |
| 5387 | Hudson Dunaway | 47.75 | 9 | B Min | BB: 42.89 (+4.86s | 10.2%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 5388 | Rhys Brenner | 47.75 | 9 | B Min | BB: 42.89 (+4.86s | 10.2%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | |
| 5389 | Joe Broadwater | 47.75 | 8 | B Min | BB: 42.89 (+4.86s | 10.2%) | Mako Swim Team | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 5390 | Avri Dorn | 47.75 | 10 | B Min | BB: 42.89 (+4.86s | 10.2%) | Calvert Aquatics Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 5391 | Dean Landers | 47.75 | 10 | B Min | BB: 42.89 (+4.86s | 10.2%) | Marlins Swimming Inc. | 10/24/2026 | 2026 Victor Halloween Classic | |
| 5392 | Asher Fritz | 47.76 | 10 | B: 38.49 (+9.27s | 19.4%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | ||
| 5393 | Emmett Thiel | 47.76 | 9 | B Min | BB: 42.89 (+4.87s | 10.2%) | Atlantis Swimming | 01/16/2026 | 2026 Odd Age Classic | |
| 5394 | Alex Polman | 47.76 | 9 | B Min | BB: 42.89 (+4.87s | 10.2%) | Lifetime Swim Team North Carol | 10/11/2025 | 2025 NC Queen City Dolphins Diversity Invite | |
| 5395 | Owen Zhu | 47.76 | 9 | B Min | BB: 42.89 (+4.87s | 10.2%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 5396 | Tucker Hitz | 47.76 | 8 | B Min | BB: 42.89 (+4.87s | 10.2%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 5397 | Maximus Newton | 47.76 | 8 | B Min | BB: 42.89 (+4.87s | 10.2%) | Aberdeen Swim Club | 06/30/2026 | 2026 SD Webster Fun Meet | |
| 5398 | Beckett Garland | 47.76 | 8 | B Min | BB: 42.89 (+4.87s | 10.2%) | Jupiter Dragons Swim Team | 10/02/2026 | Mike Horgan 2026 | |
| 5399 | Kolbe Bench | 47.76 | 10 | B Min | BB: 42.89 (+4.87s | 10.2%) | Pikes Peak Athletics | 10/16/2026 | 2026 CO PPA Harvest Heats | |
| 5400 | Titus Zhang | 47.76 | 6 | B Min | BB: 42.89 (+4.87s | 10.2%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
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.