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 | Isen Wolfe | 41.70 | 9 | AAA Min | AAAA: 41.49 (+0.21s | 0.5%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 3 | Logan Glick | 41.78 | 9 | AAA Min | AAAA: 41.49 (+0.29s | 0.7%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 4 | 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 | |
| 5 | Ethan Evans | 42.47 | 10 | AAA Min | AAAA: 41.49 (+0.98s | 2.3%) | Dads Club Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 6 | 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 | |
| 7 | 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 | |
| 8 | Joshua Gilbert | 43.68 | 9 | AA Min | AAA: 43.59 (+0.09s | 0.2%) | Bolles School Sharks | 04/11/2025 | 2025 April Classic | |
| 9 | 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 | |
| 10 | Christian Beauchamp | 45.23 | 10 | AA Min | AAA: 43.59 (+1.64s | 3.6%) | Gator Swim Club | 05/30/2025 | Hydro4 Summer Open | |
| 11 | Jasen Brice | 45.42 | 10 | AA Min | AAA: 43.59 (+1.83s | 4.0%) | Tampa Bay Aquatic Club | 01/16/2026 | 2026 TRIALS FUNDRAISER MEET | |
| 12 | 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 | |
| 13 | 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 | |
| 14 | Hudson Kieschnick | 45.60 | 9 | AA Min | AAA: 43.59 (+2.01s | 4.4%) | Houston Hydra | 07/16/2025 | 2025 Texas Age Group Championships | |
| 15 | Nathan Liu | 45.94 | 9 | A Min | AA: 45.79 (+0.15s | 0.3%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 16 | Troy Cary | 45.97 | 9 | A Min | AA: 45.79 (+0.18s | 0.4%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 17 | Axel Arnoldsson | 45.97 | 10 | A Min | AA: 45.79 (+0.18s | 0.4%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 18 | Benjamin Balmaceda | 45.97 | 9 | A Min | AA: 45.79 (+0.18s | 0.4%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 19 | Johann Gomez Ugalde | 46.04 | 9 | A Min | AA: 45.79 (+0.25s | 0.5%) | Southwest Stars Swim Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 20 | 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 | |
| 21 | 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 | |
| 22 | Parker Robinson | 46.20 | 10 | A Min | AA: 45.79 (+0.41s | 0.9%) | Houston Hydra | 07/16/2025 | 2025 Texas Age Group Championships | |
| 23 | Adrian Burangulov | 46.50 | 10 | A Min | AA: 45.79 (+0.71s | 1.5%) | Gator Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 24 | Reed Larson | 46.66 | 9 | A Min | AA: 45.79 (+0.87s | 1.9%) | Blue Tide Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 25 | 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 | |
| 26 | Christopher Porembka | 46.93 | 9 | A Min | AA: 45.79 (+1.14s | 2.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 27 | Aiden Du | 47.06 | 9 | A Min | AA: 45.79 (+1.27s | 2.7%) | Unattached | 07/16/2025 | 2025 Texas Age Group Championships | |
| 28 | 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 | |
| 29 | Nathan Campbell | 47.12 | 8 | A Min | AA: 45.79 (+1.33s | 2.8%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 30 | Ari Thorne | 47.16 | 9 | A Min | AA: 45.79 (+1.37s | 2.9%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 31 | Joseph Ragsdale | 47.21 | 10 | A Min | AA: 45.79 (+1.42s | 3.0%) | Aquastar | 07/16/2025 | 2025 Texas Age Group Championships | |
| 32 | Matias Cardona | 47.28 | 9 | A Min | AA: 45.79 (+1.49s | 3.2%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 33 | Owen Schulte | 47.76 | 9 | A Min | AA: 45.79 (+1.97s | 4.1%) | South Shore Sails | 07/16/2025 | 2025 Texas Age Group Championships | |
| 34 | Rory Cullen | 47.80 | 10 | A Min | AA: 45.79 (+2.01s | 4.2%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 35 | Simon Feldman | 47.87 | 8 | A Min | AA: 45.79 (+2.08s | 4.3%) | Patriot Aquatics | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 36 | Zachary Zeng | 47.97 | 9 | BB Min | A: 47.89 (+0.08s | 0.2%) | Waterloo Swimming | 07/16/2025 | 2025 Texas Age Group Championships | |
| 37 | Eli Savitski | 48.04 | 10 | BB Min | A: 47.89 (+0.15s | 0.3%) | Highlander Aquatic Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 38 | Dean Hunter | 48.04 | 9 | BB Min | A: 47.89 (+0.15s | 0.3%) | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 39 | Paolo Fababaer | 48.04 | 10 | BB Min | A: 47.89 (+0.15s | 0.3%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 40 | 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 | |
| 41 | Joseph Kim | 48.35 | 10 | BB Min | A: 47.89 (+0.46s | 1.0%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 42 | Luke Gamino | 48.43 | 8 | BB Min | A: 47.89 (+0.54s | 1.1%) | Treasure Coast Aquatics | 05/03/2025 | TCSC Go For The Gold Invitational | |
| 43 | Robert Richards | 48.53 | 9 | BB Min | A: 47.89 (+0.64s | 1.3%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 44 | 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 | |
| 45 | Lucas Saavedra | 48.87 | 9 | BB Min | A: 47.89 (+0.98s | 2.0%) | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | |
| 46 | Preston Mathis | 48.90 | 9 | BB Min | A: 47.89 (+1.01s | 2.1%) | Seahawks Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 47 | Kenneth Uglietta | 49.09 | 10 | BB Min | A: 47.89 (+1.20s | 2.4%) | Longhorn Aquatics | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 48 | James Mayo | 49.11 | 9 | BB Min | A: 47.89 (+1.22s | 2.5%) | Gulf Coast Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 49 | Sebastian Horn-Rios | 49.17 | 9 | BB Min | A: 47.89 (+1.28s | 2.6%) | T2 Aquatics | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 50 | YuBo Wang | 49.40 | 9 | BB Min | A: 47.89 (+1.51s | 3.1%) | Laker Swim | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
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.