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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Theodore Chan | 45.30 | 9 | BB Min | A: 42.09 (+3.21s | 7.1%) | Long Island Express | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 502 | Ryan Thuer | 45.31 | 10 | BB Min | A: 42.09 (+3.22s | 7.1%) | Jersey Wahoos | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 503 | Ryan Gan | 45.32 | 9 | BB Min | A: 42.09 (+3.23s | 7.1%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 504 | Owen Mixer | 45.34 | 10 | BB Min | A: 42.09 (+3.25s | 7.2%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 505 | Noah Hashimoto | 45.36 | 10 | BB Min | A: 42.09 (+3.27s | 7.2%) | Empire Swimming | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 506 | Blake Berger | 45.36 | 9 | BB Min | A: 42.09 (+3.27s | 7.2%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 507 | Maximus Erhardt | 45.37 | 10 | BB Min | A: 42.09 (+3.28s | 7.2%) | Cardinal and Gold Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 508 | Alex Wang | 45.39 | 10 | BB Min | A: 42.09 (+3.30s | 7.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 509 | Ari Vora | 45.40 | 10 | BB Min | A: 42.09 (+3.31s | 7.3%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 510 | Nicholas Selvaggi | 45.40 | 10 | BB Min | A: 42.09 (+3.31s | 7.3%) | Fox Swim Club | 01/18/2026 | 2026 Fox Winter Invitational Meet | |
| 511 | Garrett Soper | 45.40 | 9 | BB Min | A: 42.09 (+3.31s | 7.3%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 512 | Max Fan | 45.41 | 8 | BB Min | A: 42.09 (+3.32s | 7.3%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 513 | Preston Kaiser | 45.42 | 10 | BB Min | A: 42.09 (+3.33s | 7.3%) | DC Dept Of Parks and Recreatio | 02/13/2026 | 39th Black History Swim Meet | |
| 514 | Elliott Horng | 45.43 | 9 | BB Min | A: 42.09 (+3.34s | 7.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 515 | Aiden Noll | 45.44 | 10 | BB Min | A: 42.09 (+3.35s | 7.4%) | Sachem Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 516 | Aidan Stringer | 45.46 | 10 | BB Min | A: 42.09 (+3.37s | 7.4%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 517 | Mason Chen | 45.47 | 10 | BB Min | A: 42.09 (+3.38s | 7.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 518 | Elliott Horng | 45.48 | 9 | BB Min | A: 42.09 (+3.39s | 7.5%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 519 | Jagger Civali | 45.50 | 10 | BB Min | A: 42.09 (+3.41s | 7.5%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 520 | Daniel Barankevich | 45.52 | 10 | BB Min | A: 42.09 (+3.43s | 7.5%) | Bluefish Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 521 | Mikhail Shangin | 45.54 | 10 | BB Min | A: 42.09 (+3.45s | 7.6%) | Belmont Aquatic Team | 02/28/2026 | 2026 NE NSSC Specialty At BC | |
| 522 | Joseph Saavedra | 45.54 | 10 | BB Min | A: 42.09 (+3.45s | 7.6%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 523 | Khai Cho-Khaliq | 45.55 | 9 | BB Min | A: 42.09 (+3.46s | 7.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 524 | Yurek Giraldo | 45.55 | 10 | BB Min | A: 42.09 (+3.46s | 7.6%) | Prince George\\\\\\'s Parks and Recr | 11/14/2025 | 2025PV November Open Fairland | |
| 525 | Matias Venturino | 45.55 | 8 | BB Min | A: 42.09 (+3.46s | 7.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 526 | Kaleb Lo | 45.55 | 10 | BB Min | A: 42.09 (+3.46s | 7.6%) | Flushing YMCA | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 527 | Ashton Cofield | 45.56 | 7 | BB Min | A: 42.09 (+3.47s | 7.6%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 528 | Juwon Baek | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Condors Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 529 | Joseph Nguyen | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 530 | Jameson Wheeless | 45.58 | 10 | BB Min | A: 42.09 (+3.49s | 7.7%) | Sprc Stingrays | 01/11/2026 | 2026 FOX January Distance Sprint Meet | |
| 531 | Nick Weisenborn | 45.58 | 9 | BB Min | A: 42.09 (+3.49s | 7.7%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 532 | James Coleman | 45.59 | 9 | BB Min | A: 42.09 (+3.50s | 7.7%) | Arlington Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 533 | Zachary Shindler | 45.60 | 10 | BB Min | A: 42.09 (+3.51s | 7.7%) | Shorefront Ym-Ywha | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 534 | Tyler Kuykendall | 45.60 | 10 | BB Min | A: 42.09 (+3.51s | 7.7%) | Sprc Stingrays | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 535 | Atticus Gancsos | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | Badger Swim Club,Inc. | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 536 | Everett Lan | 45.62 | 8 | BB Min | A: 42.09 (+3.53s | 7.7%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 537 | Matias Venturino | 45.62 | 9 | BB Min | A: 42.09 (+3.53s | 7.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 538 | Ethan Fu | 45.63 | 10 | BB Min | A: 42.09 (+3.54s | 7.8%) | Revolution Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 539 | Theodore Herrera | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 540 | John Pekkanen | 45.65 | 10 | BB Min | A: 42.09 (+3.56s | 7.8%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 541 | John Calhoun | 45.67 | 10 | BB Min | A: 42.09 (+3.58s | 7.8%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 542 | Kyle Teng | 45.68 | 8 | BB Min | A: 42.09 (+3.59s | 7.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 543 | Denys Synchuk | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 544 | Wilson Qi | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 545 | Jude Jeon | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Washingtonians Swim Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 546 | Thomas Wyss | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 547 | Jayden Teng | 45.69 | 10 | BB Min | A: 42.09 (+3.60s | 7.9%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 548 | Adam Cong | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 549 | Kyle Wang | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Freedom Aquatics | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 550 | Dominic Coyle | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Cardinal and Gold Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
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.