Southern Zone Zone Boys 10 & under - 50 M Free
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 Rivera | 31.06 | 10 | AAAA Min | Pompano Beach Piranhas | 05/01/2026 | Jesse Vasallo Swimming Invitational | ||
| 2 | Isen Wolfe | 31.07 | 10 | AAAA Min | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | ||
| 3 | Carson Swift | 31.82 | 10 | AAA Min | AAAA: 31.59 (+0.23s | 0.7%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 4 | Leo Madera | 31.96 | 10 | AAA Min | AAAA: 31.59 (+0.37s | 1.2%) | Gulliver Swim Club | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 5 | Finn McGuire | 32.00 | 10 | AAA Min | AAAA: 31.59 (+0.41s | 1.3%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 6 | Nico Bausher | 32.18 | 10 | AAA Min | AAAA: 31.59 (+0.59s | 1.8%) | Southwest Stars Swim Club | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 7 | Joshua Gilbert | 32.26 | 10 | AAA Min | AAAA: 31.59 (+0.67s | 2.1%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 8 | Johann Gomez Ugalde | 32.37 | 10 | AAA Min | AAAA: 31.59 (+0.78s | 2.4%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 9 | Robert Richards | 32.38 | 10 | AAA Min | AAAA: 31.59 (+0.79s | 2.4%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 10 | Sebastian Horn-Rios | 32.39 | 10 | AAA Min | AAAA: 31.59 (+0.80s | 2.5%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 11 | Luke Gamino | 32.40 | 9 | AAA Min | AAAA: 31.59 (+0.81s | 2.5%) | Treasure Coast Aquatics | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 12 | Miguel Ramirez | 32.58 | 9 | AAA Min | AAAA: 31.59 (+0.99s | 3.0%) | Blue Wave Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 13 | Zachary Zeng | 32.65 | 10 | AAA Min | AAAA: 31.59 (+1.06s | 3.2%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 14 | Leonardo Maia | 33.02 | 10 | AA Min | AAA: 32.99 (+0.03s | 0.1%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 15 | Michael Laurence | 33.15 | 9 | AA Min | AAA: 32.99 (+0.16s | 0.5%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 16 | Rafael Parlato | 33.40 | 10 | AA Min | AAA: 32.99 (+0.41s | 1.2%) | Fenix Swim Club | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 17 | Charlie Lockett | 33.40 | 10 | AA Min | AAA: 32.99 (+0.41s | 1.2%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 18 | Cameron Ehrlich | 33.44 | 10 | AA Min | AAA: 32.99 (+0.45s | 1.3%) | Pompano Beach Piranhas | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 19 | Christopher Porembka | 33.46 | 10 | AA Min | AAA: 32.99 (+0.47s | 1.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 20 | Logan Glick | 33.48 | 10 | AA Min | AAA: 32.99 (+0.49s | 1.5%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 21 | Benjamin Balmaceda | 33.54 | 10 | AA Min | AAA: 32.99 (+0.55s | 1.6%) | Alamo Heights Aquatic Club ? A | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 22 | Andrei Emelianov | 33.65 | 9 | AA Min | AAA: 32.99 (+0.66s | 2.0%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 23 | Ryan Nesmith | 33.93 | 10 | AA Min | AAA: 32.99 (+0.94s | 2.8%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 24 | Yuri Igitkhanyan | 33.93 | 10 | AA Min | AAA: 32.99 (+0.94s | 2.8%) | Bravo Swim Team | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 25 | Andres Gomez | 33.97 | 10 | AA Min | AAA: 32.99 (+0.98s | 2.9%) | South Florida Aquatic Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 26 | Jair Ortega | 33.99 | 10 | AA Min | AAA: 32.99 (+1.00s | 2.9%) | Austin Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 27 | Levi Julson | 34.08 | 8 | AA Min | AAA: 32.99 (+1.09s | 3.2%) | Seminole Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 28 | Savelii Dorofieiev | 34.12 | 10 | AA Min | AAA: 32.99 (+1.13s | 3.3%) | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 29 | Ayrton Rangan | 34.14 | 10 | AA Min | AAA: 32.99 (+1.15s | 3.4%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 30 | Noah Thomas | 34.18 | 9 | AA Min | AAA: 32.99 (+1.19s | 3.5%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 31 | Juan Marquez | 34.29 | 10 | AA Min | AAA: 32.99 (+1.30s | 3.8%) | Heritage Aquatic Team | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 32 | Mason Lankford | 34.34 | 10 | AA Min | AAA: 32.99 (+1.35s | 3.9%) | Unattached | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 33 | Sebastian Wood | 34.44 | 10 | A Min | AA: 34.39 (+0.05s | 0.1%) | Lake Lytal Lightning | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 34 | Olin Beerens | 34.47 | 10 | A Min | AA: 34.39 (+0.08s | 0.2%) | Longhorn Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 35 | Ari Thorne | 34.47 | 10 | A Min | AA: 34.39 (+0.08s | 0.2%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 36 | Jackson Collier | 34.47 | 10 | A Min | AA: 34.39 (+0.08s | 0.2%) | Cypress Fairbanks Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 37 | Leonardo Mora Carrillo | 34.49 | 10 | A Min | AA: 34.39 (+0.10s | 0.3%) | Blue Marlins Aquatic Club | 05/02/2026 | 2026 Sea Dragon May Open | |
| 38 | Isaac Zhang | 34.56 | 9 | A Min | AA: 34.39 (+0.17s | 0.5%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 39 | Zhengran Shao | 34.63 | 10 | A Min | AA: 34.39 (+0.24s | 0.7%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 40 | Henri Simard | 34.64 | 10 | A Min | AA: 34.39 (+0.25s | 0.7%) | Swim Florida | 05/02/2026 | 2026 Sea Dragon May Open | |
| 41 | Javi Espinosa | 34.66 | 10 | A Min | AA: 34.39 (+0.27s | 0.8%) | Metro Aquatic Club of Miami | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 42 | Michael Fan | 34.67 | 10 | A Min | AA: 34.39 (+0.28s | 0.8%) | High Performance Aquatic Club | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 43 | Christoph Navarrete Espitia | 34.69 | 9 | A Min | AA: 34.39 (+0.30s | 0.9%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 44 | Maxwell Morgan | 34.77 | 9 | A Min | AA: 34.39 (+0.38s | 1.1%) | Spartan Aquatic Club | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 45 | Aspar Dzebisov | 34.81 | 10 | A Min | AA: 34.39 (+0.42s | 1.2%) | Fast Lane Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 46 | Austin Xue | 34.92 | 9 | A Min | AA: 34.39 (+0.53s | 1.5%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 47 | Lucius Leven | 34.97 | 10 | A Min | AA: 34.39 (+0.58s | 1.7%) | Alamo Area Aquatic Association | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 48 | Dalton Gonzalez | 34.98 | 9 | A Min | AA: 34.39 (+0.59s | 1.7%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 49 | Artem Shtein | 35.01 | 10 | A Min | AA: 34.39 (+0.62s | 1.8%) | SwimRight Team | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 50 | Troy Cary | 35.02 | 10 | A Min | AA: 34.39 (+0.63s | 1.8%) | Alamo Heights Aquatic Club ? A | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
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.