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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2551 | Zerui Deng | 48.20 | 10 | B Min | BB: 47.69 (+0.51s | 1.1%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 2552 | Maximus Vargas | 48.20 | 9 | B Min | BB: 47.69 (+0.51s | 1.1%) | Centreville Swim Club | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 2553 | Daniel Hnativ | 48.20 | 10 | B Min | BB: 47.69 (+0.51s | 1.1%) | Westport Weston Family YMCA Wa | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 2554 | Conrad Shwe | 48.20 | 7 | B Min | BB: 47.69 (+0.51s | 1.1%) | Clovis Swim Club | 02/14/2025 | 2025 CCS SCY AGC | |
| 2555 | Hampton Hamrick | 48.22 | 9 | B Min | BB: 47.69 (+0.53s | 1.1%) | Tornadoes Swim Team | 10/10/2025 | 2025 OR HEAT Fall Invitational | |
| 2556 | Conrad Wang | 48.22 | 8 | B Min | BB: 47.69 (+0.53s | 1.1%) | Tac Titans | 11/15/2025 | 2025 TAC TITANS Turkey Squad Meet | |
| 2557 | Lucas Putman | 48.22 | 9 | B Min | BB: 47.69 (+0.53s | 1.1%) | Frederick Area Swim Team | 09/26/2025 | RAC First Splash 2025 | |
| 2558 | Enoch Li | 48.22 | 10 | B Min | BB: 47.69 (+0.53s | 1.1%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | |
| 2559 | River Wilkinson | 48.22 | 9 | B Min | BB: 47.69 (+0.53s | 1.1%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 2560 | Asher Amira | 48.22 | 10 | B Min | BB: 47.69 (+0.53s | 1.1%) | Chinook Aquatic Club | 10/18/2025 | 2025 PN IST Fall Open | |
| 2561 | Pierre Kroely | 48.23 | 10 | B Min | BB: 47.69 (+0.54s | 1.1%) | Machine Aquatics | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 2562 | Mason Lee | 48.23 | 10 | B Min | BB: 47.69 (+0.54s | 1.1%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 2563 | Alexandru Varga | 48.23 | 10 | B Min | BB: 47.69 (+0.54s | 1.1%) | Terrapins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 2564 | Orion Wu | 48.23 | 10 | B Min | BB: 47.69 (+0.54s | 1.1%) | Central Queens Ym-Ywha | 09/27/2025 | 2025 MR SSC TYR September Sprint Invitational | |
| 2565 | Jack Rissman | 48.23 | 8 | B Min | BB: 47.69 (+0.54s | 1.1%) | Edina Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 2566 | Connor Lee | 48.23 | 7 | B Min | BB: 47.69 (+0.54s | 1.1%) | Condors Swim Club | 11/09/2025 | 2025 MR BGNW November 8 Under Invitational | |
| 2567 | Maximus Erhardt | 48.24 | 10 | B Min | BB: 47.69 (+0.55s | 1.1%) | Cardinal and Gold Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 2568 | August Crable | 48.24 | 10 | B Min | BB: 47.69 (+0.55s | 1.1%) | DC Dept Of Parks and Recreatio | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2569 | Levi Palmer | 48.25 | 9 | B Min | BB: 47.69 (+0.56s | 1.2%) | Nocatee Bluetide Swim Team | 07/26/2025 | 2025 NFSSL Champs | |
| 2570 | William Fry | 48.25 | 9 | B Min | BB: 47.69 (+0.56s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 2571 | Daniel Tian | 48.25 | 10 | B Min | BB: 47.69 (+0.56s | 1.2%) | Germantown Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 2572 | Alvaro Hernandez | 48.25 | 9 | B Min | BB: 47.69 (+0.56s | 1.2%) | YMCA of Northwest North Caroli | 10/10/2025 | 2025 TYDE Andy Craver Autumn Leaves Inv | |
| 2573 | Jacob Bowes | 48.26 | 10 | B Min | BB: 47.69 (+0.57s | 1.2%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 2574 | Barrett Zubke | 48.26 | 8 | B Min | BB: 47.69 (+0.57s | 1.2%) | Sarasota Sharks | 02/28/2025 | 2025 Area 5 Spring Championships | |
| 2575 | Oren McCallum | 48.26 | 10 | B Min | BB: 47.69 (+0.57s | 1.2%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 2576 | Eric Kim | 48.28 | 9 | B Min | BB: 47.69 (+0.59s | 1.2%) | Auburn Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 2577 | James Kohler | 48.28 | 8 | B Min | BB: 47.69 (+0.59s | 1.2%) | Riptide Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 2578 | Chester Evans | 48.28 | 10 | B Min | BB: 47.69 (+0.59s | 1.2%) | Schertz YMCA Swim Team | 12/20/2025 | 2025 ST SASA Tis The Season | |
| 2579 | Ari Kautzer | 48.29 | 9 | B Min | BB: 47.69 (+0.60s | 1.2%) | Lakewood Ranch Swim Associatio | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2580 | Andrew Nowell | 48.29 | 10 | B Min | BB: 47.69 (+0.60s | 1.2%) | Oyster River Otters | 11/16/2025 | 2025 NE ORO November Meet Copied | |
| 2581 | Luke Rubino | 48.29 | 7 | B Min | BB: 47.69 (+0.60s | 1.2%) | The Woodlands Swim Team | 10/25/2024 | 2024 TWST Halloween Meet | |
| 2582 | Mitchell Gattis | 48.29 | 10 | B Min | BB: 47.69 (+0.60s | 1.2%) | Tnt Swimming | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2583 | Romeo Ottaviano | 48.29 | 9 | B Min | BB: 47.69 (+0.60s | 1.2%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2584 | Nolan Loera | 48.29 | 9 | B Min | BB: 47.69 (+0.60s | 1.2%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | |
| 2585 | Sebastien Alhassan | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Holyoke YMCA Vikings | 10/24/2025 | 2025 NE HYV A Halloween Havoc | |
| 2586 | Raf Rothfuss de la Asunc | 48.30 | 9 | B Min | BB: 47.69 (+0.61s | 1.3%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2587 | Matthew Chen | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 2588 | Logan Castillo | 48.30 | 8 | B Min | BB: 47.69 (+0.61s | 1.3%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 2589 | Alexander Buckner | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | DC Dept Of Parks and Recreatio | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2590 | Mattis Shneyder | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Matchpoint Nyc | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 2591 | Virgil McMullen | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 2592 | Cole Proescher | 48.30 | 9 | B Min | BB: 47.69 (+0.61s | 1.3%) | Orinda Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 2593 | Gray Gilman | 48.31 | 10 | B Min | BB: 47.69 (+0.62s | 1.3%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 2594 | Walter Lientz | 48.31 | 8 | B Min | BB: 47.69 (+0.62s | 1.3%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 2595 | Ibrahim Ghanem | 48.31 | 9 | B Min | BB: 47.69 (+0.62s | 1.3%) | Romulus Torpedoes Swim Club | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 2596 | Long Ma | 48.32 | 10 | B Min | BB: 47.69 (+0.63s | 1.3%) | Gator Swim Club | 10/10/2025 | 2025 FAST Pumpkin Plunge | |
| 2597 | Charles Niessner | 48.32 | 9 | B Min | BB: 47.69 (+0.63s | 1.3%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | |
| 2598 | Arthur Goonen | 48.32 | 10 | B Min | BB: 47.69 (+0.63s | 1.3%) | Mecklenburg Swim Association | 11/07/2025 | 2025 EAC Cornucopia Classic | |
| 2599 | Jeremy Lyu | 48.32 | 9 | B Min | BB: 47.69 (+0.63s | 1.3%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 2600 | Norne Fang | 48.32 | 7 | B Min | BB: 47.69 (+0.63s | 1.3%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | |
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.