Southern Zone Zone Boys 10 & under - 50 M 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 | Koki Tsujiuchi | 51.04 | 10 | BB Min | A: 47.89 (+3.15s | 6.2%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 302 | John Bloom | 51.06 | 9 | BB Min | A: 47.89 (+3.17s | 6.2%) | Sporting Jax Aquatic Club | 04/10/2026 | 2026 April Classic | |
| 303 | Hudson Bratton | 51.13 | 10 | BB Min | A: 47.89 (+3.24s | 6.3%) | Lakeside Swim Team | 07/09/2026 | 46th Annual Seahawk Invitational | |
| 304 | Evan McGuire | 51.13 | 10 | BB Min | A: 47.89 (+3.24s | 6.3%) | Aquatex Swim & Water Polo Team | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 305 | Jayan Naik | 51.14 | 10 | BB Min | A: 47.89 (+3.25s | 6.4%) | Capital of Texas Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 306 | Callan Bunyan | 51.18 | 9 | BB Min | A: 47.89 (+3.29s | 6.4%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 307 | Sebastian Calderon | 51.20 | 10 | BB Min | A: 47.89 (+3.31s | 6.5%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 308 | Michael Chernivsky | 51.22 | 10 | BB Min | A: 47.89 (+3.33s | 6.5%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 309 | Miles Key | 51.23 | 10 | BB Min | A: 47.89 (+3.34s | 6.5%) | Raleigh Swimming Association | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 310 | Leonard Jaime Martinez | 51.24 | 10 | BB Min | A: 47.89 (+3.35s | 6.5%) | Hialeah Swim Club | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 311 | Max Frankel | 51.25 | 10 | BB Min | A: 47.89 (+3.36s | 6.6%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 312 | Faddey Nosenko | 51.29 | 10 | BB Min | A: 47.89 (+3.40s | 6.6%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 313 | Colt Lybrand | 51.29 | 10 | BB Min | A: 47.89 (+3.40s | 6.6%) | Unattached | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 314 | Bryan Moore | 51.29 | 10 | BB Min | A: 47.89 (+3.40s | 6.6%) | Watauga Swim Team | 06/23/2026 | WCSA Summer Meet 2 @ MSC | |
| 315 | Oliver Chafin | 51.33 | 10 | BB Min | A: 47.89 (+3.44s | 6.7%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 316 | Nicholas Bergfield | 51.34 | 10 | BB Min | A: 47.89 (+3.45s | 6.7%) | Swim Streamline at Northampton | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 317 | Enzo Lourenco | 51.37 | 9 | BB Min | A: 47.89 (+3.48s | 6.8%) | McCallie-GPS Aquatics | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 318 | Jaden Moy | 51.39 | 10 | BB Min | A: 47.89 (+3.50s | 6.8%) | Fast Falcons | 05/15/2026 | 2026 FAST May Invite | |
| 319 | Raf Rothfuss de la Asunc | 51.43 | 9 | BB Min | A: 47.89 (+3.54s | 6.9%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 320 | Hayden Justice | 51.45 | 10 | BB Min | A: 47.89 (+3.56s | 6.9%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 321 | Zaiden Vlahos | 51.46 | 9 | BB Min | A: 47.89 (+3.57s | 6.9%) | Triton Swimming of Louisville | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 322 | Evan Willis | 51.53 | 10 | BB Min | A: 47.89 (+3.64s | 7.1%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 323 | Ryan Kummer | 51.53 | 10 | BB Min | A: 47.89 (+3.64s | 7.1%) | Aquatic Team Of Mecklenburg | 04/17/2026 | April 17 ATOM Friday Night Lights | |
| 324 | James Roux | 51.53 | 9 | BB Min | A: 47.89 (+3.64s | 7.1%) | City of Mobile Swim Associatio | 06/13/2026 | Spirit Of Mobile | |
| 325 | Lincoln Purdy | 51.55 | 10 | BB Min | A: 47.89 (+3.66s | 7.1%) | Greater Pensacola Aquatic Club | 04/11/2026 | 2026 GPAC LCM Time Trials | |
| 326 | Haoran Li | 51.56 | 9 | BB Min | A: 47.89 (+3.67s | 7.1%) | SwimMAC Carolina | 06/05/2026 | 2026 TEAM School S Out Summer Invite | |
| 327 | William Behenna | 51.56 | 10 | BB Min | A: 47.89 (+3.67s | 7.1%) | SwimRise Aquatics | 06/26/2026 | 2026 SwimRise Season Finale | |
| 328 | Michael Fan | 51.66 | 10 | BB Min | A: 47.89 (+3.77s | 7.3%) | High Performance Aquatic Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 329 | Harrison Peart | 51.71 | 10 | BB Min | A: 47.89 (+3.82s | 7.4%) | swimPAC | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | |
| 330 | Arsenii Chebaev | 51.72 | 10 | BB Min | A: 47.89 (+3.83s | 7.4%) | Bravo Swim Team | 05/22/2026 | 2026 Terrapin Invite | |
| 331 | Steele Schwartz | 51.72 | 10 | BB Min | A: 47.89 (+3.83s | 7.4%) | Swim Florida | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 332 | Bradley Schrantz | 51.74 | 10 | BB Min | A: 47.89 (+3.85s | 7.4%) | Patriot Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 333 | Nikolai Kanopka | 51.78 | 10 | BB Min | A: 47.89 (+3.89s | 7.5%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 334 | Lucas De Soto Mejias | 51.80 | 10 | BB Min | A: 47.89 (+3.91s | 7.5%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 335 | Beau Hastings | 51.87 | 9 | BB Min | A: 47.89 (+3.98s | 7.7%) | Waves Of Wilmington Inc | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 336 | Theodore Ream | 51.87 | 10 | BB Min | A: 47.89 (+3.98s | 7.7%) | SwimMAC Carolina | 04/17/2026 | 2026 NC SwimMAC Blue Orange LC | |
| 337 | Albert Frolov | 51.88 | 9 | BB Min | A: 47.89 (+3.99s | 7.7%) | Bravo Swim Team | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 338 | Liam Feliciano-Sanik | 51.91 | 7 | BB Min | A: 47.89 (+4.02s | 7.7%) | Saint Petersburg Aquatics | 06/05/2026 | 2026 TAMPA BAY SWIM CLASSIC | |
| 339 | Henry Odean | 51.92 | 9 | BB Min | A: 47.89 (+4.03s | 7.8%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 340 | Alexander Cordray | 51.94 | 10 | BB Min | A: 47.89 (+4.05s | 7.8%) | Stingrays Swim Team | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 341 | Lane Lopez | 51.94 | 9 | BB Min | A: 47.89 (+4.05s | 7.8%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 342 | Sawyer Ludeker | 51.96 | 10 | BB Min | A: 47.89 (+4.07s | 7.8%) | Stingrays Swim Team | 05/01/2026 | 2026 Helen Wang Sunflower Classic | |
| 343 | Constantine Gulyaev | 51.97 | 9 | BB Min | A: 47.89 (+4.08s | 7.9%) | Heritage Aquatic Team | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 344 | Max Chen | 52.00 | 10 | BB Min | A: 47.89 (+4.11s | 7.9%) | Nashville Aquatic Club | 05/16/2026 | NAC LC May Classic | |
| 345 | William Dailey | 52.00 | 10 | BB Min | A: 47.89 (+4.11s | 7.9%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 346 | Boris Petrov | 52.01 | 10 | BB Min | A: 47.89 (+4.12s | 7.9%) | Patriot Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 347 | River Morse | 52.03 | 10 | BB Min | A: 47.89 (+4.14s | 8.0%) | Swim Gym | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 348 | Warren Gehring | 52.06 | 10 | BB Min | A: 47.89 (+4.17s | 8.0%) | Triton Swimming of Louisville | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 349 | Isaac Osegueda | 52.07 | 10 | BB Min | A: 47.89 (+4.18s | 8.0%) | YMCA of Austin Swim Alliance | 04/19/2025 | 2025 ST ASC Long Course Kickoff | |
| 350 | Darren Xue | 52.07 | 10 | B: 49.79 (+2.28s | 4.4%) | Lone Star Aquatic Club | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
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.