Western 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Krish Samanta | 38.66 | 10 | AA Min | AAA: 38.29 (+0.37s | 1.0%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 52 | Cameron Boitano | 38.71 | 9 | AA Min | AAA: 38.29 (+0.42s | 1.1%) | Pleasanton Seahawks | 12/12/2025 | Winter SC Age Group Championships | |
| 53 | Ryan Latronica | 38.78 | 9 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Hills Hurricane Swimming | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 54 | Charles Liu Bates | 38.78 | 10 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 55 | Andy Wang | 38.80 | 9 | AA Min | AAA: 38.29 (+0.51s | 1.3%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 56 | HanJun Zhang | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 57 | Demian Jarmy | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Pleasanton Seahawks | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 58 | Conrad Chiu | 38.82 | 10 | AA Min | AAA: 38.29 (+0.53s | 1.4%) | Corvallis Aquatic Team | 12/12/2025 | 2025 OR HEAT Age Group Jubilee | |
| 59 | Lucas Guo | 38.83 | 10 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 60 | Lathan Su | 38.89 | 10 | AA Min | AAA: 38.29 (+0.60s | 1.5%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 61 | Daniel Zhao | 38.97 | 10 | AA Min | AAA: 38.29 (+0.68s | 1.7%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 62 | Justus Waqainabete | 38.97 | 10 | AA Min | AAA: 38.29 (+0.68s | 1.7%) | Aulea Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 63 | Tyler Zhang | 39.03 | 10 | AA Min | AAA: 38.29 (+0.74s | 1.9%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 64 | Maxwell Dean | 39.04 | 10 | AA Min | AAA: 38.29 (+0.75s | 1.9%) | Voltage Aquatics | 12/13/2025 | 2025 Holiday Classic | |
| 65 | Martin Decotigny | 39.04 | 10 | AA Min | AAA: 38.29 (+0.75s | 1.9%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 66 | Emmanuel Steele | 39.06 | 10 | AA Min | AAA: 38.29 (+0.77s | 2.0%) | Vision Swim | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 67 | Evan Jun | 39.08 | 8 | AA Min | AAA: 38.29 (+0.79s | 2.0%) | Kamehameha Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 68 | Samuel Fuller | 39.09 | 10 | AA Min | AAA: 38.29 (+0.80s | 2.0%) | Los Angeles-Blue | 01/24/2026 | 2026 SCS Swim Festival | |
| 69 | Isaac Toledo | 39.09 | 10 | AA Min | AAA: 38.29 (+0.80s | 2.0%) | Fusion Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 70 | Luca Aguilera | 39.12 | 10 | AA Min | AAA: 38.29 (+0.83s | 2.1%) | Roadrunner Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 71 | Jay Andresen | 39.12 | 10 | AA Min | AAA: 38.29 (+0.83s | 2.1%) | Lakeridge Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 72 | Graham Fenton | 39.18 | 9 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | Life Time Arizona Swim Team | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 73 | Jia Wei | 39.33 | 10 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Alto Swim Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 74 | Zachary Everett | 39.35 | 10 | AA Min | AAA: 38.29 (+1.06s | 2.7%) | Seals Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 75 | Theodore Zawada | 39.39 | 11 | AA Min | AAA: 38.29 (+1.10s | 2.8%) | Legacy Aquatics | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | |
| 76 | Ethan Canlas | 39.40 | 10 | AA Min | AAA: 38.29 (+1.11s | 2.8%) | Rio-Green | 01/24/2026 | 2026 SCS Swim Festival | |
| 77 | Dylan sun | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 78 | Benjamin Hadji | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 79 | Emmett Chen | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 80 | Alexander Kovnatsky | 39.48 | 9 | AA Min | AAA: 38.29 (+1.19s | 3.0%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 81 | Timofey Belov | 39.48 | 9 | AA Min | AAA: 38.29 (+1.19s | 3.0%) | Pikes Peak Athletics | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 82 | Harvey Zhang | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 83 | Spencer Slowik | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 84 | Maxwell Tam | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 85 | Jefferson Chiang | 39.52 | 9 | AA Min | AAA: 38.29 (+1.23s | 3.1%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 86 | Collier Jacobson | 39.57 | 9 | AA Min | AAA: 38.29 (+1.28s | 3.2%) | Tualatin Hills Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 87 | Aden Sun | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 88 | Jayden Liu | 39.67 | 10 | AA Min | AAA: 38.29 (+1.38s | 3.5%) | Seattle Metropolitan Aquatic C | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 89 | Koku Saddawi-Banno | 39.70 | 9 | AA Min | AAA: 38.29 (+1.41s | 3.6%) | Jbarracudas Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 90 | Nathaniel Barber | 39.70 | 10 | AA Min | AAA: 38.29 (+1.41s | 3.6%) | Apex | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 91 | Miro Wang | 39.71 | 10 | AA Min | AAA: 38.29 (+1.42s | 3.6%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 92 | Boxuan Yu | 39.77 | 10 | AA Min | AAA: 38.29 (+1.48s | 3.7%) | Pacific Dragons Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 93 | Kota Whitman | 39.82 | 10 | AA Min | AAA: 38.29 (+1.53s | 3.8%) | North Bay Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 94 | Riccardo Sardena | 39.83 | 9 | AA Min | AAA: 38.29 (+1.54s | 3.9%) | Swim Team of Placentia | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 95 | Jacob Liu | 39.87 | 10 | AA Min | AAA: 38.29 (+1.58s | 4.0%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 96 | Tymur Akimov | 39.94 | 10 | AA Min | AAA: 38.29 (+1.65s | 4.1%) | Royal Swim Team | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 97 | Mason Ryu | 39.95 | 9 | AA Min | AAA: 38.29 (+1.66s | 4.2%) | Klg Sports Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 98 | Andrew Lin | 39.98 | 10 | AA Min | AAA: 38.29 (+1.69s | 4.2%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 99 | Henry Goddard | 40.00 | 10 | AA Min | AAA: 38.29 (+1.71s | 4.3%) | Lake Oswego Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 100 | Jack Armbruster | 40.13 | 9 | AA Min | AAA: 38.29 (+1.84s | 4.6%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
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.