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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Andres Sierra | 40.31 | 10 | AAAA Min | Pompano Beach Piranhas | 01/17/2026 | 2026 Azura Winter Open LCM Invite | ||
| 2 | Logan Glick | 41.78 | 10 | AAA Min | AAAA: 41.49 (+0.29s | 0.7%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 3 | Wayne Sun | 42.38 | 10 | AAA Min | AAAA: 41.49 (+0.89s | 2.1%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 4 | Isaac Zhang | 42.79 | 9 | AAA Min | AAAA: 41.49 (+1.30s | 3.0%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 5 | Alexander Lyavzin | 42.80 | 10 | AAA Min | AAAA: 41.49 (+1.31s | 3.1%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 6 | Sebastian Michel | 44.13 | 10 | AA Min | AAA: 43.59 (+0.54s | 1.2%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 7 | Tate Robinson | 45.44 | 10 | AA Min | AAA: 43.59 (+1.85s | 4.1%) | Eagle Swimming Association | 07/16/2025 | 2025 Texas Age Group Championships | |
| 8 | Jayden Liu | 45.52 | 10 | AA Min | AAA: 43.59 (+1.93s | 4.2%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 9 | Hudson Kieschnick | 45.60 | 10 | AA Min | AAA: 43.59 (+2.01s | 4.4%) | Houston Hydra | 07/16/2025 | 2025 Texas Age Group Championships | |
| 10 | Nathan Liu | 45.94 | 10 | A Min | AA: 45.79 (+0.15s | 0.3%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 11 | Troy Cary | 45.97 | 10 | A Min | AA: 45.79 (+0.18s | 0.4%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 12 | Benjamin Balmaceda | 45.97 | 10 | A Min | AA: 45.79 (+0.18s | 0.4%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 13 | Kaden Sun | 46.16 | 9 | A Min | AA: 45.79 (+0.37s | 0.8%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 14 | Timur Kochmar | 46.17 | 9 | A Min | AA: 45.79 (+0.38s | 0.8%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 15 | Parker Robinson | 46.20 | 10 | A Min | AA: 45.79 (+0.41s | 0.9%) | Houston Hydra | 07/16/2025 | 2025 Texas Age Group Championships | |
| 16 | Reed Larson | 46.66 | 10 | A Min | AA: 45.79 (+0.87s | 1.9%) | Blue Tide Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 17 | Benedict Clarno | 46.73 | 10 | A Min | AA: 45.79 (+0.94s | 2.0%) | Alamo Area Aquatic Association | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 18 | Christopher Porembka | 46.93 | 10 | A Min | AA: 45.79 (+1.14s | 2.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 19 | Aiden Du | 47.06 | 9 | A Min | AA: 45.79 (+1.27s | 2.7%) | Unattached | 07/16/2025 | 2025 Texas Age Group Championships | |
| 20 | Parker Warren | 47.10 | 10 | A Min | AA: 45.79 (+1.31s | 2.8%) | Southwest Stars Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 21 | Nathan Campbell | 47.12 | 9 | A Min | AA: 45.79 (+1.33s | 2.8%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 22 | Ari Thorne | 47.16 | 10 | A Min | AA: 45.79 (+1.37s | 2.9%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 23 | Matias Cardona | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 24 | Owen Schulte | 47.76 | 10 | A Min | AA: 45.79 (+1.97s | 4.1%) | South Shore Sails | 07/16/2025 | 2025 Texas Age Group Championships | |
| 25 | Simon Feldman | 47.87 | 9 | A Min | AA: 45.79 (+2.08s | 4.3%) | Patriot Aquatics | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 26 | Zachary Zeng | 47.97 | 10 | BB Min | A: 47.89 (+0.08s | 0.2%) | Waterloo Swimming | 07/16/2025 | 2025 Texas Age Group Championships | |
| 27 | Eli Savitski | 48.04 | 10 | BB Min | A: 47.89 (+0.15s | 0.3%) | Highlander Aquatic Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 28 | Dean Hunter | 48.04 | 10 | BB Min | A: 47.89 (+0.15s | 0.3%) | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 29 | Charlie Lockett | 48.20 | 9 | BB Min | A: 47.89 (+0.31s | 0.6%) | Nitro Swimming | 06/20/2025 | 2025 ST NTRO LC Prelim Final Invite | |
| 30 | Gleb Nikishin | 48.76 | 10 | BB Min | A: 47.89 (+0.87s | 1.8%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 31 | Lucas Saavedra | 48.87 | 10 | BB Min | A: 47.89 (+0.98s | 2.0%) | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | |
| 32 | Preston Mathis | 48.90 | 10 | BB Min | A: 47.89 (+1.01s | 2.1%) | Seahawks Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 33 | James Mayo | 49.11 | 10 | BB Min | A: 47.89 (+1.22s | 2.5%) | Gulf Coast Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 34 | Sebastian Horn-Rios | 49.17 | 10 | BB Min | A: 47.89 (+1.28s | 2.6%) | T2 Aquatics | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 35 | YuBo Wang | 49.40 | 10 | BB Min | A: 47.89 (+1.51s | 3.1%) | Laker Swim | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
| 36 | Benjamin Hankinson | 49.43 | 9 | BB Min | A: 47.89 (+1.54s | 3.1%) | Jupiter Dragons Swim Team | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 37 | Ethan Gaffin | 49.48 | 9 | BB Min | A: 47.89 (+1.59s | 3.2%) | Alamo Area Aquatic Association | 06/13/2025 | 2025 ST ASC Firecracker | |
| 38 | Nico Bausher | 49.50 | 10 | BB Min | A: 47.89 (+1.61s | 3.3%) | Southwest Stars Swim Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 39 | Jeffrey Hill | 49.59 | 10 | BB Min | A: 47.89 (+1.70s | 3.4%) | Saint Andrew\\\\\\'s Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 40 | Noah Olusanya | 49.89 | 9 | BB Min | A: 47.89 (+2.00s | 4.0%) | 07/10/2025 | 2025 FL Summer Age Group Championships | ||
| 41 | Olin Beerens | 49.90 | 10 | BB Min | A: 47.89 (+2.01s | 4.0%) | Longhorn Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 42 | Caden Shen | 49.98 | 10 | BB Min | A: 47.89 (+2.09s | 4.2%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 43 | Ryan Nesmith | 50.02 | 10 | BB Min | A: 47.89 (+2.13s | 4.3%) | Swim Florida | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
| 44 | Willem Foreman | 50.04 | 10 | BB Min | A: 47.89 (+2.15s | 4.3%) | Mansfield Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 45 | Tang Zheng | 50.19 | 9 | BB Min | A: 47.89 (+2.30s | 4.6%) | Clearwater Aquatic Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 46 | Max Madera | 50.31 | 10 | BB Min | A: 47.89 (+2.42s | 4.8%) | Fast Falcons | 05/16/2025 | 2025 FAST May Invite | |
| 47 | Luke Marek | 50.42 | 10 | BB Min | A: 47.89 (+2.53s | 5.0%) | Surge Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 48 | Zachary Brill | 50.46 | 10 | BB Min | A: 47.89 (+2.57s | 5.1%) | Aquatex Swim & Water Polo Team | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | |
| 49 | Ty Hoggard | 50.70 | 10 | BB Min | A: 47.89 (+2.81s | 5.5%) | Blue Dolfins | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
| 50 | Finn McGuire | 50.73 | 10 | BB Min | A: 47.89 (+2.84s | 5.6%) | Swim Florida | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
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.