Eastern Zone Zone Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Kian Bahmani | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 352 | Hardy Dietrich | 38.15 | 10 | BB Min | A: 37.59 (+0.56s | 1.5%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 353 | Nathan Sayko | 38.17 | 10 | BB Min | A: 37.59 (+0.58s | 1.5%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 354 | Kai Jyawook | 38.17 | 10 | BB Min | A: 37.59 (+0.58s | 1.5%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 355 | Kevin Ward | 38.18 | 10 | BB Min | A: 37.59 (+0.59s | 1.5%) | YMCA of Concord Swim Team | 02/07/2026 | 2026 NE RAYS Love A Last Chance Specialty | |
| 356 | Rumi Rathmann-Noonan | 38.22 | 9 | BB Min | A: 37.59 (+0.63s | 1.6%) | Manhattan Makos | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 357 | Jonas Brown | 38.22 | 10 | BB Min | A: 37.59 (+0.63s | 1.6%) | Karishim Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 358 | Luke Wellen | 38.23 | 10 | BB Min | A: 37.59 (+0.64s | 1.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 359 | Aiden Chavarria | 38.24 | 8 | BB Min | A: 37.59 (+0.65s | 1.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 360 | Asher Snead | 38.24 | 9 | BB Min | A: 37.59 (+0.65s | 1.7%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 361 | Mansour Radzhabov | 38.24 | 10 | BB Min | A: 37.59 (+0.65s | 1.7%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 362 | Quentin Lin | 38.24 | 9 | BB Min | A: 37.59 (+0.65s | 1.7%) | Eastern Nassau Aquatic Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 363 | Christopher Magness | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 364 | Lynn Wilson | 38.27 | 8 | BB Min | A: 37.59 (+0.68s | 1.8%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 365 | Phillip Prado | 38.29 | 9 | BB Min | A: 37.59 (+0.70s | 1.8%) | Long Island Aquatic Club | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 366 | Dylan Chen | 38.29 | 7 | BB Min | A: 37.59 (+0.70s | 1.8%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 367 | Vincent DeRossi | 38.30 | 10 | BB Min | A: 37.59 (+0.71s | 1.9%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 368 | Roger Hanis | 38.30 | 9 | BB Min | A: 37.59 (+0.71s | 1.9%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 369 | Declan Donnelly | 38.31 | 9 | BB Min | A: 37.59 (+0.72s | 1.9%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 370 | Nolan Thanh | 38.33 | 10 | BB Min | A: 37.59 (+0.74s | 1.9%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 371 | Everett Beichner | 38.34 | 9 | BB Min | A: 37.59 (+0.75s | 2.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 372 | Dennis Hauser | 38.35 | 10 | BB Min | A: 37.59 (+0.76s | 2.0%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 373 | Colin Joyce | 38.37 | 9 | BB Min | A: 37.59 (+0.78s | 2.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 374 | Henry Zohorsky | 38.38 | 9 | BB Min | A: 37.59 (+0.79s | 2.1%) | Loyola Blakefield Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 375 | Maxim Yasinskyy | 38.39 | 10 | BB Min | A: 37.59 (+0.80s | 2.1%) | Marks Jch Stingrays | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 376 | Oliver Bark | 38.39 | 9 | BB Min | A: 37.59 (+0.80s | 2.1%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 377 | Michael Urbanovich | 38.39 | 10 | BB Min | A: 37.59 (+0.80s | 2.1%) | Trident Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 378 | Benjamin Herrera | 38.42 | 10 | BB Min | A: 37.59 (+0.83s | 2.2%) | Crimson Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 379 | Collin Johnson | 38.43 | 10 | BB Min | A: 37.59 (+0.84s | 2.2%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 380 | Keayan Liang | 38.43 | 9 | BB Min | A: 37.59 (+0.84s | 2.2%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 381 | Beckett Clasen | 38.44 | 10 | BB Min | A: 37.59 (+0.85s | 2.2%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 382 | David Preble | 38.44 | 10 | BB Min | A: 37.59 (+0.85s | 2.2%) | Kent County YMCA | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 383 | Robert Braylovskiy | 38.44 | 10 | BB Min | A: 37.59 (+0.85s | 2.2%) | Cp-Ac Swimming | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 384 | Nolan Porras | 38.44 | 9 | BB Min | A: 37.59 (+0.85s | 2.2%) | Long Island Express | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 385 | Youniss Mostafa | 38.45 | 9 | BB Min | A: 37.59 (+0.86s | 2.2%) | Cranston YMCA Marlins | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 386 | Jack Herron | 38.45 | 10 | BB Min | A: 37.59 (+0.86s | 2.2%) | Hydra Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 387 | Nolan Lucariello | 38.45 | 10 | BB Min | A: 37.59 (+0.86s | 2.2%) | Prince William Swim Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 388 | Domenico Petrini | 38.47 | 9 | BB Min | A: 37.59 (+0.88s | 2.3%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 389 | Jacob Berkowitz | 38.49 | 10 | BB Min | A: 37.59 (+0.90s | 2.3%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 390 | Caleb Gorelik | 38.50 | 9 | BB Min | A: 37.59 (+0.91s | 2.4%) | Hydra Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 391 | Caelan Murphy | 38.51 | 9 | BB Min | A: 37.59 (+0.92s | 2.4%) | Shawmut Aquatic Club | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 392 | Dylan Lenois | 38.51 | 8 | BB Min | A: 37.59 (+0.92s | 2.4%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 393 | Nathaniel Herman | 38.51 | 10 | BB Min | A: 37.59 (+0.92s | 2.4%) | Lynchburg YMCA Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 394 | Maxwell Shaw | 38.53 | 9 | BB Min | A: 37.59 (+0.94s | 2.4%) | Bluefish Swim Club | 02/08/2026 | 2026 NE ABF ME February Frolic | |
| 395 | Nicholas Rodriguez | 38.53 | 10 | BB Min | A: 37.59 (+0.94s | 2.4%) | Hampton Virginia Current | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 396 | Alexander Wu | 38.54 | 10 | BB Min | A: 37.59 (+0.95s | 2.5%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 397 | Grayson Sawicki | 38.54 | 9 | BB Min | A: 37.59 (+0.95s | 2.5%) | Commonwealth Swimming | 01/30/2026 | 2026 NE CS Silver Championships | |
| 398 | Aiden Noll | 38.55 | 10 | BB Min | A: 37.59 (+0.96s | 2.5%) | Sachem Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 399 | Jacob Stanwix | 38.55 | 10 | BB Min | A: 37.59 (+0.96s | 2.5%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 400 | Meron Tsegai | 38.55 | 9 | BB Min | A: 37.59 (+0.96s | 2.5%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
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.