Western 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Owen Tan | 47.01 | 9 | A Min | AA: 45.79 (+1.22s | 2.6%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 102 | Ari Mobasseri | 47.02 | 8 | A Min | AA: 45.79 (+1.23s | 2.6%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 103 | Axton Santiago | 47.02 | 10 | A Min | AA: 45.79 (+1.23s | 2.6%) | Pearl City Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 104 | Sebastian McNary | 47.03 | 10 | A Min | AA: 45.79 (+1.24s | 2.6%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 105 | Jackson Staples | 47.04 | 10 | A Min | AA: 45.79 (+1.25s | 2.7%) | Las Cruces Aquatic Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 106 | Max Ong | 47.06 | 10 | A Min | AA: 45.79 (+1.27s | 2.7%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 107 | Yihong Xiang | 47.10 | 10 | A Min | AA: 45.79 (+1.31s | 2.8%) | Tualatin Hills Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 108 | Ethan Wang | 47.11 | 9 | A Min | AA: 45.79 (+1.32s | 2.8%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 109 | Nikoloz Zhorzholiani | 47.11 | 10 | A Min | AA: 45.79 (+1.32s | 2.8%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 110 | Jonathan Nelson | 47.12 | 10 | A Min | AA: 45.79 (+1.33s | 2.8%) | Utah Valley Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 111 | Yangyang Xu | 47.13 | 10 | A Min | AA: 45.79 (+1.34s | 2.8%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 112 | Chayton Zhou | 47.15 | 9 | A Min | AA: 45.79 (+1.36s | 2.9%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 113 | Luke Xu | 47.19 | 10 | A Min | AA: 45.79 (+1.40s | 3.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 114 | Jed El Abed | 47.19 | 10 | A Min | AA: 45.79 (+1.40s | 3.0%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 115 | Cayden Lin | 47.22 | 10 | A Min | AA: 45.79 (+1.43s | 3.0%) | Rosemead Rapids | 06/11/2026 | 2026 SCS June AG Invite | |
| 116 | Jake McNair | 47.22 | 9 | A Min | AA: 45.79 (+1.43s | 3.0%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 117 | Abraham Cheng | 47.23 | 10 | A Min | AA: 45.79 (+1.44s | 3.0%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 118 | Kaito Kinnaird | 47.25 | 10 | A Min | AA: 45.79 (+1.46s | 3.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 119 | Cameron Day | 47.25 | 10 | A Min | AA: 45.79 (+1.46s | 3.1%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 120 | Henry Goddard | 47.26 | 10 | A Min | AA: 45.79 (+1.47s | 3.1%) | Lake Oswego Swim Club | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 121 | Anthony Ma | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 122 | Brian Yu | 47.29 | 10 | A Min | AA: 45.79 (+1.50s | 3.2%) | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 123 | Aiden Kiatrungrit | 47.32 | 10 | A Min | AA: 45.79 (+1.53s | 3.2%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 124 | Daniel Nagaoka | 47.34 | 10 | A Min | AA: 45.79 (+1.55s | 3.3%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 125 | Callahan Espiritu | 47.35 | 8 | A Min | AA: 45.79 (+1.56s | 3.3%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 126 | Jaezyn Magnaye | 47.44 | 10 | A Min | AA: 45.79 (+1.65s | 3.5%) | Tualatin Hills Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 127 | Owen Newton | 47.54 | 10 | A Min | AA: 45.79 (+1.75s | 3.7%) | SwimNation Aquatics Programs | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 128 | Liam Reyes | 47.54 | 10 | A Min | AA: 45.79 (+1.75s | 3.7%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 129 | Aleksandr Rybin | 47.55 | 10 | A Min | AA: 45.79 (+1.76s | 3.7%) | King Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 130 | Mark Kiselev | 47.55 | 9 | A Min | AA: 45.79 (+1.76s | 3.7%) | Royal Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 131 | Luke Chai | 47.57 | 9 | A Min | AA: 45.79 (+1.78s | 3.7%) | Pleasanton Seahawks | 06/27/2026 | NVST Summer Plunge 2026 | |
| 132 | Orion Blue-Smith | 47.59 | 10 | A Min | AA: 45.79 (+1.80s | 3.8%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 133 | Edwin Fernando | 47.62 | 10 | A Min | AA: 45.79 (+1.83s | 3.8%) | Cerritos Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 134 | Flynn Chen | 47.62 | 10 | A Min | AA: 45.79 (+1.83s | 3.8%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 135 | Zakhar Breslavskyi | 47.64 | 10 | A Min | AA: 45.79 (+1.85s | 3.9%) | Boise YMCA Swim Team | 07/04/2026 | Pendleton Open 2026 | |
| 136 | Maochen Tan | 47.67 | 10 | A Min | AA: 45.79 (+1.88s | 3.9%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 137 | Cash Bailey | 47.76 | 10 | A Min | AA: 45.79 (+1.97s | 4.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 138 | Clayton Chester | 47.76 | 10 | A Min | AA: 45.79 (+1.97s | 4.1%) | Heartland Swim Assoc | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 139 | Adelynn Spurlin | 47.81 | 10 | A Min | AA: 45.79 (+2.02s | 4.2%) | North Jeffco Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 140 | Elliott Ganancial | 47.83 | 10 | A Min | AA: 45.79 (+2.04s | 4.3%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 141 | Alexander Kovnatsky | 47.90 | 10 | BB Min | A: 47.89 (+0.01s | 0.0%) | Los Angeles Swim Club | 07/25/2024 | 2024 CA SCS BREA Summer A G Champs | |
| 142 | Walker Lewis | 47.96 | 10 | BB Min | A: 47.89 (+0.07s | 0.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 143 | Ilay Fisher | 47.96 | 10 | BB Min | A: 47.89 (+0.07s | 0.1%) | Ccat Swimming | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 144 | Dylan sun | 47.99 | 10 | BB Min | A: 47.89 (+0.10s | 0.2%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 145 | Jeffrey Crouse | 48.02 | 10 | BB Min | A: 47.89 (+0.13s | 0.3%) | Livermore AquaCowboys | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 146 | Mateo Sison | 48.03 | 10 | BB Min | A: 47.89 (+0.14s | 0.3%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 147 | Vince Cho | 48.04 | 9 | BB Min | A: 47.89 (+0.15s | 0.3%) | Maywood Sparks Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 148 | Demitry Daniel | 48.07 | 10 | BB Min | A: 47.89 (+0.18s | 0.4%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 149 | Ray Yu | 48.07 | 10 | BB Min | A: 47.89 (+0.18s | 0.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 150 | August Liao | 48.10 | 10 | BB Min | A: 47.89 (+0.21s | 0.4%) | Canyons Aquatic Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
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.