USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4501 | Knox Miklowcic | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Jcc Sea Serpents | 12/07/2025 | 2025 NE NSSC December 7 SJP | |
| 4502 | Clayton Du | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 4503 | Sheldon Stensrud | 52.47 | 10 | B Min | BB: 47.69 (+4.78s | 9.1%) | Alamo Area Aquatic Association | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 4504 | Gregory Dusablon | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Life Time Fitness New York Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 4505 | Levi Jacobs | 52.47 | 8 | B Min | BB: 47.69 (+4.78s | 9.1%) | Hickam Hurricanes | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 4506 | Oliver Robinson | 52.47 | 10 | B Min | BB: 47.69 (+4.78s | 9.1%) | Riptide Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 4507 | Benjamin Bull | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bellevue Club Swim Team | 02/01/2025 | 2025 PN BISC Bluefin Invitational | |
| 4508 | Nil Shamshurin | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bure-Aqua Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 4509 | Gabriel Keeling | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 4510 | Eric Wei | 52.48 | 9 | B Min | BB: 47.69 (+4.79s | 9.1%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 4511 | Kai Johnson | 52.49 | 9 | B Min | BB: 47.69 (+4.80s | 9.1%) | Tide Swimming | 09/20/2025 | 2025 TIDE King Neptune Meet | |
| 4512 | Hugo Lee | 52.50 | 10 | B Min | BB: 47.69 (+4.81s | 9.2%) | Flushing YMCA | 11/14/2025 | 2025 MR FLY Big Apple Classic Invitational | |
| 4513 | Tan Dinh | 52.50 | 7 | B Min | BB: 47.69 (+4.81s | 9.2%) | Fairfax Foxes Swimming | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 4514 | Lucas Ramos | 52.50 | 6 | B Min | BB: 47.69 (+4.81s | 9.2%) | New York Sharks Aquatics | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 4515 | Nolan Bollinger | 52.50 | 10 | B Min | BB: 47.69 (+4.81s | 9.2%) | Souderton Seahawks | 04/11/2025 | 2025 GTSA TYR Spring Championship | |
| 4516 | Nolan Stevens | 52.51 | 10 | B Min | BB: 47.69 (+4.82s | 9.2%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4517 | Liam Kim | 52.51 | 8 | B Min | BB: 47.69 (+4.82s | 9.2%) | Life Time Fitness New York Swi | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4518 | Frederick Wong | 52.51 | 9 | B Min | BB: 47.69 (+4.82s | 9.2%) | Long Island Aquatic Club | 11/01/2025 | 2025 MR TRI Fall SCY Invitational | |
| 4519 | Jake Fang | 52.51 | 8 | B Min | BB: 47.69 (+4.82s | 9.2%) | 92ny Flying Dolphins | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4520 | Maximus Coleman | 52.51 | 10 | B Min | BB: 47.69 (+4.82s | 9.2%) | Cottonwood Heights Aquatics | 09/12/2025 | 2025 CHAT SDAT September Dual | |
| 4521 | John Dollar | 52.51 | 8 | B Min | BB: 47.69 (+4.82s | 9.2%) | Marshall County Swim Club | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 4522 | Ezekiel Mangguray | 52.52 | 10 | B Min | BB: 47.69 (+4.83s | 9.2%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 4523 | Declan Mahland | 52.52 | 10 | B Min | BB: 47.69 (+4.83s | 9.2%) | Lynchburg Aquatic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 4524 | Mason Lam | 52.52 | 8 | B Min | BB: 47.69 (+4.83s | 9.2%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 4525 | Maxton Eshler | 52.52 | 9 | B Min | BB: 47.69 (+4.83s | 9.2%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4526 | Maxwell Ma | 52.53 | 9 | B Min | BB: 47.69 (+4.84s | 9.2%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 4527 | Ezekiel Sauve | 52.53 | 10 | B Min | BB: 47.69 (+4.84s | 9.2%) | Saint Petersburg Aquatics | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 4528 | Sean McKenna | 52.53 | 10 | B Min | BB: 47.69 (+4.84s | 9.2%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 4529 | Ian Zhai | 52.53 | 9 | B Min | BB: 47.69 (+4.84s | 9.2%) | Badger Swim Club,Inc. | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 4530 | James Saunders | 52.53 | 8 | B Min | BB: 47.69 (+4.84s | 9.2%) | Empire Swimming | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4531 | Yassein Ibrahim | 52.53 | 10 | B Min | BB: 47.69 (+4.84s | 9.2%) | South Sound YMCA | 01/11/2025 | 2025 PN PSSA Snowman Invite Approved | |
| 4532 | Rodion Podliesnov | 52.53 | 8 | B Min | BB: 47.69 (+4.84s | 9.2%) | Longhorn Aquatics | 10/11/2025 | 2025 ST WOW Great Pumpkin Plunge | |
| 4533 | Mo Chen | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | |
| 4534 | Paul Fitko | 52.54 | 10 | B Min | BB: 47.69 (+4.85s | 9.2%) | Crimson Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 4535 | Connor Losey | 52.54 | 8 | B Min | BB: 47.69 (+4.85s | 9.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 4536 | Connor Wood | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Rima United | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 4537 | Arthur Viray | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 4538 | Uri Yeret | 52.55 | 9 | B Min | BB: 47.69 (+4.86s | 9.2%) | Karishim Swim Club | 10/19/2025 | 2025 NE JCCS Newton J Dual Meet Copied | |
| 4539 | Daniel Rumean | 52.55 | 10 | B Min | BB: 47.69 (+4.86s | 9.2%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 4540 | Stephen Dunn | 52.55 | 9 | B Min | BB: 47.69 (+4.86s | 9.2%) | Bolles School Sharks | 11/15/2025 | EAJ Fall Harvest 2025 | |
| 4541 | Ezra Ruffcorn | 52.55 | 8 | B Min | BB: 47.69 (+4.86s | 9.2%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 4542 | Ezra Howell | 52.56 | 10 | B Min | BB: 47.69 (+4.87s | 9.3%) | Sun Valley 5 B | 10/25/2025 | Spook Splash 2025 | |
| 4543 | Nicholas Bobo | 52.56 | 10 | B Min | BB: 47.69 (+4.87s | 9.3%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 4544 | Hantian You | 52.57 | 10 | B Min | BB: 47.69 (+4.88s | 9.3%) | Lake Oswego Swim Club | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 4545 | Charlie Uranga | 52.57 | 9 | B Min | BB: 47.69 (+4.88s | 9.3%) | Blue Marlins Of Hialeah Garden | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 4546 | Benjamin West | 52.57 | 10 | B Min | BB: 47.69 (+4.88s | 9.3%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 4547 | Sawyer Kuhns | 52.57 | 9 | B Min | BB: 47.69 (+4.88s | 9.3%) | The Fish | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4548 | Robert Gentry | 52.58 | 10 | B Min | BB: 47.69 (+4.89s | 9.3%) | Hill Country Aquatics | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 4549 | Reece Donaldson | 52.58 | 10 | B Min | BB: 47.69 (+4.89s | 9.3%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 4550 | Max Marvin-McIntire | 52.58 | 10 | B Min | BB: 47.69 (+4.89s | 9.3%) | Edina Swim Club | 02/23/2025 | 2025 EDI February Sunday At The Races | |
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.