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 | 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 | |
| 302 | 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 | |
| 303 | 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 | |
| 304 | 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 | |
| 305 | 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 | |
| 306 | 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 | |
| 307 | 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 | |
| 308 | 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 | |
| 309 | 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 | |
| 310 | David Yakubov | 44.46 | 10 | BB Min | A: 42.09 (+2.37s | 5.3%) | Matchpoint Nyc | 10/10/2025 | 2025 MR LIE Octoberfest Invitational | |
| 311 | 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 | |
| 312 | 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 | |
| 313 | 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 | |
| 314 | Aaron Welch | 44.49 | 10 | BB Min | A: 42.09 (+2.40s | 5.4%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 315 | Daniel Pope | 44.50 | 10 | BB Min | A: 42.09 (+2.41s | 5.4%) | WeAquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 316 | 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 | |
| 317 | 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 | |
| 318 | Grady Seeley | 44.51 | 8 | BB Min | A: 42.09 (+2.42s | 5.4%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 319 | Leo Ryley | 44.52 | 10 | BB Min | A: 42.09 (+2.43s | 5.5%) | Frederick Area Swim Team | 01/11/2026 | 2026 FOX January Distance Sprint Meet | |
| 320 | Caffrey Cooke-Ennis | 44.54 | 10 | BB Min | A: 42.09 (+2.45s | 5.5%) | South Shore YMCA Strypers | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 321 | Hunter Li | 44.54 | 9 | BB Min | A: 42.09 (+2.45s | 5.5%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 322 | Haochen Lei | 44.55 | 10 | BB Min | A: 42.09 (+2.46s | 5.5%) | Flushing YMCA | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 323 | Theodore McFarlane | 44.58 | 10 | BB Min | A: 42.09 (+2.49s | 5.6%) | Centreville Swim Club | 02/20/2026 | 2026 FXFX Forty Niner | |
| 324 | Thomas Louzao | 44.61 | 9 | BB Min | A: 42.09 (+2.52s | 5.6%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 325 | Maxim Wirzburger | 44.61 | 10 | BB Min | A: 42.09 (+2.52s | 5.6%) | East Coast C-Cerpants | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 326 | Benjamin Turner | 44.62 | 10 | BB Min | A: 42.09 (+2.53s | 5.7%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 327 | Shane Young | 44.63 | 8 | BB Min | A: 42.09 (+2.54s | 5.7%) | Tollefson Swimming | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 328 | Isaac Li | 44.63 | 9 | BB Min | A: 42.09 (+2.54s | 5.7%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR FA Patriot Games Invitational | |
| 329 | Austin Ross | 44.64 | 10 | BB Min | A: 42.09 (+2.55s | 5.7%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 330 | Jude Matu | 44.64 | 10 | BB Min | A: 42.09 (+2.55s | 5.7%) | Eagle Swim Team Inc. | 02/14/2026 | EST Vs NAAC Dual Meet | |
| 331 | Timothy Cauley | 44.69 | 9 | BB Min | A: 42.09 (+2.60s | 5.8%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 332 | Luke Wellen | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 333 | Jasper Wakenshaw | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Bed-stuy Piranhas YMCA | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 334 | Camden Wallis | 44.70 | 10 | BB Min | A: 42.09 (+2.61s | 5.8%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 335 | Terry Xiao | 44.70 | 8 | BB Min | A: 42.09 (+2.61s | 5.8%) | Trident Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 336 | Austin John | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Potomac Marlins | 02/20/2026 | 2026 FXFX Forty Niner | |
| 337 | Timothy Chung | 44.73 | 10 | BB Min | A: 42.09 (+2.64s | 5.9%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 338 | Lochlan Crouch | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 339 | William Haines | 44.76 | 10 | BB Min | A: 42.09 (+2.67s | 6.0%) | North Shore Swim Club | 04/04/2026 | 2026 NE NSSC Sprint Meet | |
| 340 | Benjamin Lahaye-Biddle | 44.80 | 9 | BB Min | A: 42.09 (+2.71s | 6.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 341 | Theodore Davis | 44.80 | 10 | BB Min | A: 42.09 (+2.71s | 6.0%) | Portland Porpoise Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 342 | James Teta | 44.80 | 10 | BB Min | A: 42.09 (+2.71s | 6.0%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 343 | Giovanni Mannino | 44.80 | 9 | BB Min | A: 42.09 (+2.71s | 6.0%) | Staten Island Aquatics Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 344 | Joseph Sweitzer | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | Portland Porpoise Swim Club | 07/22/2026 | 2026 NE ABF Summer Fun Meet | |
| 345 | Brian Wu | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | South Shore YMCA Strypers | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 346 | John Prosser | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 347 | Khai Cho-Khaliq | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 348 | Thomas Caswell | 44.85 | 10 | BB Min | A: 42.09 (+2.76s | 6.2%) | Kent County YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 349 | Nicolas Martinez | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 350 | Keller Cox | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | All Star Aquatics | 10/11/2025 | 2025 ASA October 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.