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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Oliver Panofsky | 40.54 | 9 | A Min | AA: 40.19 (+0.35s | 0.9%) | Slo Swim Club Seahawks | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 352 | Blake Porteus | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Westerville Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 353 | Matthew Ko | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 354 | August Baikauskas | 40.54 | 8 | A Min | AA: 40.19 (+0.35s | 0.9%) | Loyola Blakefield Aquatics | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 355 | Silas Sebera | 40.55 | 9 | A Min | AA: 40.19 (+0.36s | 0.9%) | Nova of Virginia | 12/05/2025 | 2025 757swim Grand Illumination | |
| 356 | Lincoln Kemp | 40.57 | 10 | A Min | AA: 40.19 (+0.38s | 0.9%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 357 | Arthur Pan | 40.57 | 10 | A Min | AA: 40.19 (+0.38s | 0.9%) | Life Time Fitness New York Swi | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 358 | Jaylen Jiang | 40.58 | 10 | A Min | AA: 40.19 (+0.39s | 1.0%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 359 | Axton Santiago | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Pearl City Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 360 | Patrick Liu | 40.61 | 10 | A Min | AA: 40.19 (+0.42s | 1.0%) | Tac Titans | 03/24/2026 | 2026 TAC TITANS March Intrasquad Meet | |
| 361 | Ethan Kuang | 40.63 | 10 | A Min | AA: 40.19 (+0.44s | 1.1%) | Mei\\\\\\'s Typhoons Swimming Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 362 | Stepan Gribanov | 40.63 | 9 | A Min | AA: 40.19 (+0.44s | 1.1%) | Staten Island Aquatics Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 363 | Jacob Li | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Swim Tech | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 364 | Charles Kramer | 40.64 | 10 | B Min | BB: 40.09 (+0.55s | 1.4%) | Los Angeles Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 365 | Kennedy Tang | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 366 | Samuel Evanovich | 40.65 | 10 | A Min | AA: 40.19 (+0.46s | 1.1%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 367 | Camden Kern | 40.70 | 10 | A Min | AA: 40.19 (+0.51s | 1.3%) | Cavalier Aquatics/Piedmont Fam | 11/08/2025 | CA Y Tri Meet | |
| 368 | Morgan Dasilva | 40.70 | 10 | A Min | AA: 40.19 (+0.51s | 1.3%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 369 | Lucas Jiang | 40.70 | 9 | A Min | AA: 40.19 (+0.51s | 1.3%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 370 | Brooks Gillis | 40.71 | 10 | A Min | AA: 40.19 (+0.52s | 1.3%) | Byron Center Aquatics | 10/17/2025 | 2025 WMS Boo Bash | |
| 371 | William Palumbo | 40.71 | 10 | A Min | AA: 40.19 (+0.52s | 1.3%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 372 | Hudson Kieschnick | 40.72 | 10 | A Min | AA: 40.19 (+0.53s | 1.3%) | Houston Hydra | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 373 | Caleb Pelkey | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 374 | Yuning Huang | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 375 | Owen Newton | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | SwimNation Aquatics Programs | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 376 | Thiago Mantilla | 40.74 | 10 | A Min | AA: 40.19 (+0.55s | 1.4%) | South Florida Aquatic Club | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 377 | Walter Speicher | 40.75 | 9 | A Min | AA: 40.19 (+0.56s | 1.4%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 378 | Yo Abe | 40.76 | 10 | A Min | AA: 40.19 (+0.57s | 1.4%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 379 | Ian Susanto | 40.76 | 9 | A Min | AA: 40.19 (+0.57s | 1.4%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 380 | Kamden Love | 40.77 | 10 | A Min | AA: 40.19 (+0.58s | 1.4%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 381 | Nolan Chan | 40.78 | 10 | A Min | AA: 40.19 (+0.59s | 1.4%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 382 | Hudson Rowlands | 40.79 | 10 | A Min | AA: 40.19 (+0.60s | 1.5%) | Mecklenburg Swim Association | 03/20/2026 | 2026 STAR Tar Heel States | |
| 383 | Frans van Wagenberg | 40.80 | 10 | A Min | AA: 40.19 (+0.61s | 1.5%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 384 | Benjamin Clark | 40.80 | 10 | A Min | AA: 40.19 (+0.61s | 1.5%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 385 | Josiah Edmundson | 40.83 | 9 | A Min | AA: 40.19 (+0.64s | 1.6%) | Oregon City | 02/13/2026 | 2026 OR HS 6A 5 | |
| 386 | Jacob Hood | 40.83 | 10 | A Min | AA: 40.19 (+0.64s | 1.6%) | Sailfish | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 387 | Nathaniel Brunelli | 40.84 | 10 | A Min | AA: 40.19 (+0.65s | 1.6%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 388 | Will Martzke | 40.84 | 10 | A Min | AA: 40.19 (+0.65s | 1.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 389 | Jeremy Zhao | 40.84 | 9 | A Min | AA: 40.19 (+0.65s | 1.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 390 | Sebastian Ott | 40.84 | 10 | A Min | AA: 40.19 (+0.65s | 1.6%) | North Baltimore Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 391 | Martin Takats | 40.85 | 10 | A Min | AA: 40.19 (+0.66s | 1.6%) | Quest Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 392 | Bryant Yang | 40.86 | 10 | A Min | AA: 40.19 (+0.67s | 1.6%) | Tac Titans | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 393 | Nathaniel Maravolo | 40.86 | 10 | A Min | AA: 40.19 (+0.67s | 1.6%) | Hurricane Penguins Swim Club | 02/06/2026 | 2026 Michigan Open | |
| 394 | Reid Kelly | 40.88 | 10 | A Min | AA: 40.19 (+0.69s | 1.7%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 395 | Arick Yuan | 40.91 | 10 | A Min | AA: 40.19 (+0.72s | 1.8%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 396 | Luke Xu | 40.91 | 10 | A Min | AA: 40.19 (+0.72s | 1.8%) | Unattached | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 397 | Easson Ji | 40.91 | 9 | A Min | AA: 40.19 (+0.72s | 1.8%) | Xtreme Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 398 | Lucas Guillen | 40.91 | 9 | A Min | AA: 40.19 (+0.72s | 1.8%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 399 | Eliott Jackson | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 400 | Aaron Zhao | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
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.