Eastern Zone Zone Boys 10 & under - 50 Y Breast
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Kenneth Huang | 43.94 | 10 | BB Min | A: 42.09 (+1.85s | 4.2%) | Charles River Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 302 | Zihan Zhang | 43.96 | 9 | BB Min | A: 42.09 (+1.87s | 4.3%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 303 | Edward Harris | 43.97 | 8 | BB Min | A: 42.09 (+1.88s | 4.3%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 304 | Logan Antao | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | Rebel Aquatic Club | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 305 | Leo Pesin | 43.98 | 10 | BB Min | A: 42.09 (+1.89s | 4.3%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 306 | Reid Saver | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 307 | Lucas Putman | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Frederick Area Swim Team | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 308 | Anthony Baran | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Suburban Aquatics | 03/20/2026 | 26th Annual Spring Championships | |
| 309 | Dominic Domingues | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Rima United | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 310 | Caleb Wong | 44.06 | 9 | BB Min | A: 42.09 (+1.97s | 4.5%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 311 | Nicholas Blakey | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Hockomock Area YMCA Lightning | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 312 | Micah Balmaceda | 44.11 | 10 | BB Min | A: 42.09 (+2.02s | 4.6%) | Commonwealth Swimming | 11/21/2025 | 2025 NE ABF Nov Trials And Final Meet | |
| 313 | Jordan McLean | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 314 | Seth Benton | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | SwimRVA | 01/16/2026 | GSA January Jump Start 2026 | |
| 315 | Mick Resnick | 44.13 | 10 | BB Min | A: 42.09 (+2.04s | 4.6%) | The St. James Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 316 | Santiago Diaz | 44.16 | 9 | BB Min | A: 42.09 (+2.07s | 4.7%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 317 | Elias Montelongo Campos | 44.18 | 10 | BB Min | A: 42.09 (+2.09s | 4.7%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 318 | Hardy Dietrich | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 319 | Kristopher Odom | 44.21 | 9 | BB Min | A: 42.09 (+2.12s | 4.8%) | Upper Valley Aquatic Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 320 | Isaiah Williams | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Accokeek Stroke Technique Swim | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 321 | Jacob Riegel | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 322 | William Bradley | 44.22 | 9 | BB Min | A: 42.09 (+2.13s | 4.8%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 323 | Nicolas Martinez | 44.24 | 10 | BB Min | A: 42.09 (+2.15s | 4.9%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 324 | Richard Li | 44.25 | 9 | BB Min | A: 42.09 (+2.16s | 4.9%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 325 | Mark Antonucci | 44.26 | 10 | BB Min | A: 42.09 (+2.17s | 4.9%) | Rhode Island Aquatic Club | 03/13/2026 | 2026 Shawmut NE Cup Championship | |
| 326 | Jackson Luding | 44.26 | 8 | BB Min | A: 42.09 (+2.17s | 4.9%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 327 | Zubin Reuter | 44.30 | 10 | BB Min | A: 42.09 (+2.21s | 5.0%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 328 | Nolan Chan | 44.30 | 10 | BB Min | A: 42.09 (+2.21s | 5.0%) | Phoenix Swimming | 11/21/2025 | 2025 NE ABF Nov Trials And Final Meet | |
| 329 | Yirui Qiao | 44.30 | 9 | BB Min | A: 42.09 (+2.21s | 5.0%) | YMCA Fairfax County Reston | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 330 | Eugene Grechukhin | 44.32 | 10 | BB Min | A: 42.09 (+2.23s | 5.0%) | Empire Swimming | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 331 | Mason Lam | 44.33 | 9 | BB Min | A: 42.09 (+2.24s | 5.1%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 332 | Wesley Lai | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Harbor Seals | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 333 | Samuel Torborg | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Hawks Swimming Association | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 334 | James Lorenzoni | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 335 | Michael Provenzano | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Trident Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 336 | Holden Hammond | 44.40 | 10 | BB Min | A: 42.09 (+2.31s | 5.2%) | Silver Spring YMCA Piranhas | 12/20/2025 | 2025 Splash And Dash | |
| 337 | Connor Lee | 44.40 | 8 | BB Min | A: 42.09 (+2.31s | 5.2%) | Condors Swim Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 338 | Jigdel Wangchuk | 44.41 | 9 | BB Min | A: 42.09 (+2.32s | 5.2%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 339 | Sakuto Kaneko | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 340 | Keegan McIsaac-Smith | 44.43 | 10 | BB Min | A: 42.09 (+2.34s | 5.3%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 341 | Brooks Vondersmith | 44.44 | 10 | BB Min | A: 42.09 (+2.35s | 5.3%) | Hanover Aquatics | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 342 | Will Greene | 44.45 | 10 | BB Min | A: 42.09 (+2.36s | 5.3%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 343 | David Yakubov | 44.46 | 10 | BB Min | A: 42.09 (+2.37s | 5.3%) | Matchpoint Nyc | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 344 | Michael Greenspan | 44.46 | 9 | BB Min | A: 42.09 (+2.37s | 5.3%) | New York Sharks Aquatics | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 345 | Anthony Yegorov | 44.49 | 10 | BB Min | A: 42.09 (+2.40s | 5.4%) | Scorpion Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 346 | Bradley Strauss | 44.49 | 10 | BB Min | A: 42.09 (+2.40s | 5.4%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 347 | Aaron Welch | 44.49 | 10 | BB Min | A: 42.09 (+2.40s | 5.4%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 348 | Daniel Pope | 44.50 | 10 | BB Min | A: 42.09 (+2.41s | 5.4%) | WeAquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 349 | Timothy Song | 44.50 | 10 | BB Min | A: 42.09 (+2.41s | 5.4%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 350 | Matias Venturino | 44.50 | 9 | BB Min | A: 42.09 (+2.41s | 5.4%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
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.