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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5451 | Rex Rauch | 47.42 | 10 | B Min | BB: 42.89 (+4.53s | 9.6%) | South East Metro Sharks | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 5452 | Noah Richard Nguyen | 47.42 | 10 | B Min | BB: 42.89 (+4.53s | 9.6%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 5453 | Luke Diehl | 47.42 | 8 | B Min | BB: 42.89 (+4.53s | 9.6%) | Central Ohio Aquatics | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 5454 | Robert Hak | 47.42 | 8 | B Min | BB: 42.89 (+4.53s | 9.6%) | Empire Swimming | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 5455 | Benjamin Liang | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Waterloo Swimming | 02/01/2026 | 2026 ST WLOO February Splash | |
| 5456 | Leo Wang | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | YMCA of Snohomish County Barra | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 5457 | Harlan Ris | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Saint Petersburg Aquatics | 10/03/2025 | SPA FRIDAY NITE RACES OCT 3 2025 | |
| 5458 | Ratu Bukarau | 47.43 | 8 | B Min | BB: 42.89 (+4.54s | 9.6%) | Stingrays Swim Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 5459 | Mark Bossowski | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Tampa Y Swimming | 01/24/2026 | 2026 TYR Stingrays SCY Palm Trees Parkas | |
| 5460 | Kyle Carpenter | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Cyclones Swim Team | 06/06/2026 | NMST June Invite 26 | |
| 5461 | Owen LaFave | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Carolina Aquatics Swim Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 5462 | Samuel Nelson | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Mighty Marlins Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 5463 | Masayuki Torikai | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 5464 | Daniel Sheng | 47.44 | 9 | B Min | BB: 42.89 (+4.55s | 9.6%) | Coronado Swim -team Elite | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 5465 | Julian Kau | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 5466 | Asher Warren | 47.44 | 8 | B Min | BB: 42.89 (+4.55s | 9.6%) | Old Dominion Aquatic Club | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 5467 | Pax Vo | 47.45 | 9 | B Min | BB: 42.89 (+4.56s | 9.6%) | Germantown Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 5468 | Nikolai Voroshchuk | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Fox Swim Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 5469 | Heriakos Nikodimos | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 5470 | Kevin Liu | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Arctic Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 5471 | Charles Wu | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 5472 | Clyde Hanna | 47.46 | 9 | B Min | BB: 42.89 (+4.57s | 9.6%) | Lake Oswego Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 5473 | Jonathan Guzman Cruz | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Aloha | 02/14/2025 | 2025 OR HS 6a 2 | |
| 5474 | Lachlan Law | 47.47 | 9 | B Min | BB: 42.89 (+4.58s | 9.6%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 5475 | Alexander Heard | 47.47 | 10 | B Min | BB: 42.89 (+4.58s | 9.6%) | Pearland Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 5476 | Thomas Sherman | 47.47 | 8 | B Min | BB: 42.89 (+4.58s | 9.6%) | Fast | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 5477 | Skyler Merritt-Hiebing | 47.47 | 10 | B Min | BB: 42.89 (+4.58s | 9.6%) | Germantown Swim Team | 12/05/2025 | 2025 Holiday Classic | |
| 5478 | Bryson Hargrave | 47.47 | 10 | B Min | BB: 42.89 (+4.58s | 9.6%) | Poseidon Swimming Inc | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 5479 | Elliott Poe Brown | 47.48 | 8 | B Min | BB: 42.89 (+4.59s | 9.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 5480 | Maxwell Zhang | 47.48 | 10 | B Min | BB: 42.89 (+4.59s | 9.7%) | Mei\\\\\\'s Typhoons Swimming Club | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 5481 | Paris Hong | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Calvert Aquatics Club | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 5482 | Matthew Schlosberg | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 5483 | Sebastian Walker | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Escalate Aquatic Team | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 5484 | Oliver O'Mara | 47.48 | 10 | B Min | BB: 42.89 (+4.59s | 9.7%) | York Swim Club of Northern Vir | 01/17/2026 | PVS January Open 2026 PWCS | |
| 5485 | Valentin Pronkin | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Phoenix Aquatic Club | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 5486 | Sven Kim | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 5487 | David Milman | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Clearwater Aquatic Team | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 5488 | Otto Myers | 47.50 | 8 | B Min | BB: 42.89 (+4.61s | 9.7%) | Greater Orlando Aquatics Team | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 5489 | Brendan Martin | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | New Bedford YMCA Hurricanes | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 5490 | Jensen Lindow | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Asheville Jewish Community Cen | 11/15/2025 | 2025 The Gourd Time Gathering | |
| 5491 | Miles Tseung | 47.50 | 10 | B Min | BB: 42.89 (+4.61s | 9.7%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 5492 | Evan Dao | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 5493 | William Cuba | 47.50 | 7 | B Min | BB: 42.89 (+4.61s | 9.7%) | Eastern Shore YMCA Fins | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 5494 | Henry Greene | 47.50 | 10 | B Min | BB: 42.89 (+4.61s | 9.7%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 5495 | Theodore Williams | 47.51 | 10 | B Min | BB: 42.89 (+4.62s | 9.7%) | Hurricanes Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | |
| 5496 | Connor McLemore | 47.51 | 9 | B Min | BB: 42.89 (+4.62s | 9.7%) | Sun Coast Swim Team | 06/20/2026 | 2026 Riptide Summer Open | |
| 5497 | Owen Martin | 47.51 | 8 | B Min | BB: 42.89 (+4.62s | 9.7%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 5498 | Duke Loula | 47.51 | 9 | B Min | BB: 42.89 (+4.62s | 9.7%) | Aquajets Swim Team | 11/10/2024 | 2024 MN NSAC Fall Invite | |
| 5499 | Kirin Lee | 47.51 | 8 | B Min | BB: 42.89 (+4.62s | 9.7%) | Nsea Swim | 05/29/2026 | 2026 NSEA Swim May Flowers WOW Dual Meet | |
| 5500 | Liam Dysard | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Northern Dutchess Aquatic Club | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter 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.