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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Patrick Yuan | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 502 | Bryan HU | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 503 | Joseph Chung | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | SwimMAC Carolina | 11/15/2025 | 2025 John Dewey Invitational | |
| 504 | Ari Mobasseri | 42.57 | 8 | BB Min | A: 42.09 (+0.48s | 1.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 505 | Marcello Rinaldi | 42.57 | 10 | BB Min | A: 42.09 (+0.48s | 1.1%) | Minnetonka Swim Club | 10/02/2026 | 2026 MN RSC Fall Pentathlon | |
| 506 | Carter Novak | 42.58 | 10 | BB Min | A: 42.09 (+0.49s | 1.2%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 507 | Bill Curran | 42.58 | 9 | BB Min | A: 42.09 (+0.49s | 1.2%) | Revolution Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 508 | James Milchteim | 42.58 | 9 | BB Min | A: 42.09 (+0.49s | 1.2%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 509 | Basil Erickson | 42.58 | 10 | BB Min | A: 42.09 (+0.49s | 1.2%) | Excel Aquatics | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 510 | Santiago Diaz | 42.59 | 9 | BB Min | A: 42.09 (+0.50s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 511 | Elliott Lindley | 42.59 | 10 | BB Min | A: 42.09 (+0.50s | 1.2%) | Los Altos Mountain View Aquati | 07/01/2026 | MAC July 1st Block Party | |
| 512 | Carson Yin | 42.60 | 10 | BB Min | A: 42.09 (+0.51s | 1.2%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 513 | Isaac Camenisch | 42.60 | 10 | BB Min | A: 42.09 (+0.51s | 1.2%) | Highbridge Aquatics | 10/17/2026 | LEXD FinFest | |
| 514 | Nicholas Tetley | 42.60 | 10 | BB Min | A: 42.09 (+0.51s | 1.2%) | Metro Area Life Time | 10/17/2026 | 2026 EEX RU Scared Yet | |
| 515 | Santiago Diaz | 42.61 | 9 | BB Min | A: 42.09 (+0.52s | 1.2%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 516 | Valentin Coronado | 42.61 | 10 | BB Min | A: 42.09 (+0.52s | 1.2%) | Laker Swim | 09/12/2026 | 2026 Elizabeth Kazeck Fall Sprint | |
| 517 | Atharv Choubey | 42.62 | 9 | BB Min | A: 42.09 (+0.53s | 1.2%) | Olympic Cascade Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 518 | Young Sun | 42.62 | 9 | BB Min | A: 42.09 (+0.53s | 1.2%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 519 | Adrian Andrychowski | 42.64 | 10 | BB Min | A: 42.09 (+0.55s | 1.3%) | Westport Weston Family YMCA Wa | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 520 | Chayton Zhou | 42.64 | 9 | BB Min | A: 42.09 (+0.55s | 1.3%) | Pleasanton Seahawks | 10/10/2026 | SRVA SC C B BB+ Meet | |
| 521 | Lorenzo Molina | 42.64 | 10 | BB Min | A: 42.09 (+0.55s | 1.3%) | City of Miami Parks Swim Team | 10/10/2026 | NMST BMHG October Invite 26 | |
| 522 | Jameson Knesek | 42.65 | 10 | BB Min | A: 42.09 (+0.56s | 1.3%) | Supernova Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 523 | Everett King | 42.65 | 10 | BB Min | A: 42.09 (+0.56s | 1.3%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 524 | Kaimana Hashimoto | 42.66 | 10 | BB Min | A: 42.09 (+0.57s | 1.3%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 525 | Davis Chappell | 42.68 | 10 | BB Min | A: 42.09 (+0.59s | 1.4%) | Hampton Virginia Current | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 526 | Emmett Tourney | 42.68 | 10 | BB Min | A: 42.09 (+0.59s | 1.4%) | Red Wing Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 527 | Theodore Lahre | 42.69 | 9 | BB Min | A: 42.09 (+0.60s | 1.4%) | Bgc-N. Westchester Marlins | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 528 | Matthew Frankovic | 42.70 | 9 | BB Min | A: 42.09 (+0.61s | 1.4%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 529 | Reyansh Dhwajad | 42.70 | 10 | BB Min | A: 42.09 (+0.61s | 1.4%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 530 | Thomas Klinger | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Tide Swimming | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 531 | Yaroslav Biliavskyi | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 532 | Luke Wang | 42.71 | 10 | BB Min | A: 42.09 (+0.62s | 1.5%) | Sierra Marlins Swim Team | 09/26/2026 | 2026 CCA Spook Tacular | |
| 533 | Henry Goddard | 42.75 | 10 | BB Min | A: 42.09 (+0.66s | 1.5%) | Cascadia Swimming | 08/01/2025 | Big Kahuna 2025 | |
| 534 | Connor McCrary | 42.75 | 9 | BB Min | A: 42.09 (+0.66s | 1.5%) | Streamline Aquatic Club | 10/24/2026 | 2026 Martha Bass Invitational | |
| 535 | Ishaan Malik | 42.76 | 10 | BB Min | A: 42.09 (+0.67s | 1.6%) | California Dolphins Swim Team | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 536 | Ethan Gaffin | 42.77 | 10 | BB Min | A: 42.09 (+0.68s | 1.6%) | Alamo Area Aquatic Association | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 537 | Charles Swinsick | 42.78 | 10 | BB Min | A: 42.09 (+0.69s | 1.6%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 538 | Cooper Chen | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 539 | Camille Turpin | 42.79 | 10 | BB Min | A: 42.09 (+0.70s | 1.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 540 | Elias Lien | 42.79 | 8 | BB Min | A: 42.09 (+0.70s | 1.6%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 541 | William Martzke | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 542 | Emilio Balcazar | 42.80 | 10 | BB Min | A: 42.09 (+0.71s | 1.7%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 543 | Noah Olusanya | 42.81 | 10 | BB Min | A: 42.09 (+0.72s | 1.7%) | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | ||
| 544 | Benjamin Thilking | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Bedford Barracudas | 03/19/2026 | 2026 USRY Short Course Champs | |
| 545 | Yaseer Owens | 42.83 | 9 | BB Min | A: 42.09 (+0.74s | 1.7%) | Unified Aquatics Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 546 | Matheus Jacqmin Abijaodi | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 547 | Zuriel Cariazo | 42.83 | 10 | BB Min | A: 42.09 (+0.74s | 1.7%) | Montrose Marlins Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 548 | Mason Nguyen | 42.84 | 10 | BB Min | A: 42.09 (+0.75s | 1.8%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 549 | Jett Schroeder | 42.85 | 9 | BB Min | A: 42.09 (+0.76s | 1.8%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 550 | Owen Bronson | 42.86 | 10 | BB Min | A: 42.09 (+0.77s | 1.8%) | Legacy Aquatics | 10/10/2026 | LA Fall Kick Off 2026 | |
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.