USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Kaden Wu | 54.13 | 10 | BB Min | A: 47.89 (+6.24s | 11.5%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 602 | Dean Deliessche | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 603 | Alexander Rich | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | Maverick Aquatics | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 604 | Anderson Wang | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | South Florida Aquatic Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 605 | Kyle Whitley | 54.15 | 10 | BB Min | A: 47.89 (+6.26s | 11.6%) | Fast Falcons | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 606 | Zachary DeLozier | 54.15 | 9 | BB Min | A: 47.89 (+6.26s | 11.6%) | Lake Oswego Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 607 | Symon Kartsev | 54.15 | 10 | BB Min | A: 47.89 (+6.26s | 11.6%) | Sailfish | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 608 | Oleksandr Sydorchuk | 54.15 | 10 | BB Min | A: 47.89 (+6.26s | 11.6%) | Bure-Aqua Academy | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 609 | Nicolas Bastida Gonzalez | 54.18 | 10 | BB Min | A: 47.89 (+6.29s | 11.6%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 610 | Daniel Guo | 54.18 | 10 | BB Min | A: 47.89 (+6.29s | 11.6%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 611 | Rufus Tang | 54.20 | 10 | BB Min | A: 47.89 (+6.31s | 11.6%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 612 | Wesley Zhang | 54.23 | 10 | BB Min | A: 47.89 (+6.34s | 11.7%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 613 | Hendrix Raulerson | 54.23 | 10 | BB Min | A: 47.89 (+6.34s | 11.7%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | |
| 614 | Christian Kewley | 54.23 | 10 | BB Min | A: 47.89 (+6.34s | 11.7%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 615 | Ahaan Maknojia | 54.25 | 9 | BB Min | A: 47.89 (+6.36s | 11.7%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 616 | Ty Gates | 54.27 | 10 | BB Min | A: 47.89 (+6.38s | 11.8%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 617 | Lane Hutmacher | 54.29 | 10 | BB Min | A: 47.89 (+6.40s | 11.8%) | Watertown Area Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | |
| 618 | Robert Lalji | 54.30 | 9 | BB Min | A: 47.89 (+6.41s | 11.8%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 619 | Nguyen Tran | 54.31 | 8 | BB Min | A: 47.89 (+6.42s | 11.8%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 620 | Lukas Bell | 54.31 | 10 | BB Min | A: 47.89 (+6.42s | 11.8%) | SwimRVA | 05/17/2024 | HNVR Storm Surge 2024 | |
| 621 | Jacob Gamio | 54.32 | 9 | BB Min | A: 47.89 (+6.43s | 11.8%) | Alamo Heights Aquatic Club ? A | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 622 | Ely Marsh | 54.33 | 10 | BB Min | A: 47.89 (+6.44s | 11.9%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 623 | Jasper Timmons | 54.35 | 10 | BB Min | A: 47.89 (+6.46s | 11.9%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 624 | Barrett Zubke | 54.35 | 9 | BB Min | A: 47.89 (+6.46s | 11.9%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 625 | Shaler Berry | 54.35 | 10 | BB Min | A: 47.89 (+6.46s | 11.9%) | Heartland Swim Assoc | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 626 | Jeremy Lyu | 54.36 | 10 | BB Min | A: 47.89 (+6.47s | 11.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 627 | Henry Fredericks | 54.36 | 9 | BB Min | A: 47.89 (+6.47s | 11.9%) | COSA Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 628 | Sven Kelley | 54.37 | 9 | BB Min | A: 47.89 (+6.48s | 11.9%) | North Jeffco Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 629 | Adam Kao | 54.37 | 10 | BB Min | A: 47.89 (+6.48s | 11.9%) | Life Time Oregon Swim Team | 04/18/2025 | 2025 MAC LONG COURSE INVITATIONAL | |
| 630 | Matthew Fernandez | 54.37 | 9 | BB Min | A: 47.89 (+6.48s | 11.9%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 631 | Corey Vonderheid | 54.39 | 9 | BB Min | A: 47.89 (+6.50s | 12.0%) | Fast Falcons | 05/15/2026 | 2026 FAST May Invite | |
| 632 | Magnus MacKinnon | 54.42 | 10 | B Min | BB: 54.39 (+0.03s | 0.1%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 633 | Ryker Mahowald | 54.45 | 10 | B Min | BB: 54.39 (+0.06s | 0.1%) | Vermillion Area Swim Team | 06/20/2025 | VAST SPLASH | |
| 634 | Jay Dai | 54.47 | 10 | B Min | BB: 54.39 (+0.08s | 0.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 635 | Mateo Torrelli | 54.47 | 10 | B Min | BB: 54.39 (+0.08s | 0.1%) | Clearwater Aquatic Team | 06/07/2025 | 2025 Stingrays LCM Meet | |
| 636 | Lucas Richardson | 54.48 | 10 | B Min | BB: 54.39 (+0.09s | 0.2%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 637 | Louis Yu | 54.48 | 8 | B Min | BB: 54.39 (+0.09s | 0.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 638 | Andrei Talalay | 54.49 | 9 | B Min | BB: 54.39 (+0.10s | 0.2%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 639 | Matthew Sokotoff | 54.51 | 9 | B Min | BB: 54.39 (+0.12s | 0.2%) | Rochester Swim Club | 06/13/2025 | 2025 MN RSC Summerfest | |
| 640 | Eric Yu | 54.51 | 9 | B Min | BB: 54.39 (+0.12s | 0.2%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 641 | Aiden Jamali | 54.51 | 10 | B Min | BB: 54.39 (+0.12s | 0.2%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 642 | Angel Malave | 54.51 | 10 | B Min | BB: 54.39 (+0.12s | 0.2%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 643 | Ethan Gu | 54.52 | 10 | B Min | BB: 54.39 (+0.13s | 0.2%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 644 | Han Song | 54.52 | 10 | B Min | BB: 54.39 (+0.13s | 0.2%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 645 | Fedor Evstigneev | 54.54 | 9 | B Min | BB: 54.39 (+0.15s | 0.3%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 646 | Johnathan Rudd | 54.54 | 10 | B Min | BB: 54.39 (+0.15s | 0.3%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 647 | Ransom Schwartz | 54.54 | 10 | B Min | BB: 54.39 (+0.15s | 0.3%) | Swim Florida | 05/02/2026 | 2026 Sea Dragon May Open | |
| 648 | Emrys Davenport | 54.57 | 10 | B Min | BB: 54.39 (+0.18s | 0.3%) | Denver Triton Swim Team | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 649 | Adhrit Dixit | 54.59 | 10 | B Min | BB: 54.39 (+0.20s | 0.4%) | Edina Swim Club | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 650 | John Golightly | 54.62 | 9 | B Min | BB: 54.39 (+0.23s | 0.4%) | Indian River Aquatics | 05/08/2026 | 2026 Wellington May Long Course Meet | |
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.