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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Austin Zhou | 49.69 | 10 | BB Min | A: 47.89 (+1.80s | 3.6%) | Pacific Dragons Swim Team | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 202 | Allen Zuo | 49.70 | 9 | BB Min | A: 47.89 (+1.81s | 3.6%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 203 | Graham Brinker | 49.71 | 9 | BB Min | A: 47.89 (+1.82s | 3.7%) | Star Aquatics | 04/17/2026 | 2026 STAR April Friday Night At The Races | |
| 204 | Robert Patterson | 49.72 | 10 | BB Min | A: 47.89 (+1.83s | 3.7%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 205 | Ryan Ferguson | 49.72 | 10 | BB Min | A: 47.89 (+1.83s | 3.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 206 | Young Sun | 49.72 | 9 | BB Min | A: 47.89 (+1.83s | 3.7%) | Pro Swimming | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 207 | Jaden Manalastas | 49.74 | 10 | BB Min | A: 47.89 (+1.85s | 3.7%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 208 | Phinnaeus Johnson | 49.75 | 10 | BB Min | A: 47.89 (+1.86s | 3.7%) | South Valley Makos | 06/27/2025 | Valley Splash | |
| 209 | William Jeffery | 49.80 | 9 | BB Min | A: 47.89 (+1.91s | 3.8%) | Los Angeles Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 210 | Max Peterson | 49.82 | 10 | BB Min | A: 47.89 (+1.93s | 3.9%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 211 | Ilan Rattner | 49.86 | 10 | BB Min | A: 47.89 (+1.97s | 4.0%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 212 | Jay Kowren | 49.88 | 10 | BB Min | A: 47.89 (+1.99s | 4.0%) | Bainbridge Island Swim Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 213 | Leo Gazzard | 49.88 | 9 | BB Min | A: 47.89 (+1.99s | 4.0%) | Bellevue Club Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 214 | Luca Desset | 49.92 | 10 | BB Min | A: 47.89 (+2.03s | 4.1%) | VANCOUVER SWIM CLUB | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 215 | Caleb Gray | 49.97 | 9 | BB Min | A: 47.89 (+2.08s | 4.2%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 216 | Winston Wang | 50.00 | 9 | BB Min | A: 47.89 (+2.11s | 4.2%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 217 | Jayke Hung | 50.00 | 10 | BB Min | A: 47.89 (+2.11s | 4.2%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 218 | Valentino Agresti | 50.02 | 9 | BB Min | A: 47.89 (+2.13s | 4.3%) | Punahou Aquatics Institute | 07/16/2026 | 2026 HISI LCM Championships | |
| 219 | Kotia Zvereff | 50.02 | 8 | BB Min | A: 47.89 (+2.13s | 4.3%) | Unattached | 06/12/2026 | Neptune Swimming June LC Meet | |
| 220 | Mason Nguyen | 50.09 | 10 | BB Min | A: 47.89 (+2.20s | 4.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 221 | Adam Alkhayru | 50.09 | 9 | BB Min | A: 47.89 (+2.20s | 4.4%) | Reno Aquatic Club | 07/10/2026 | 2026 NNA Silver State Championships | |
| 222 | Isaiah Fadillah | 50.10 | 10 | BB Min | A: 47.89 (+2.21s | 4.4%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 223 | Milo Lanigan | 50.11 | 10 | BB Min | A: 47.89 (+2.22s | 4.4%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 224 | Julius Voigt | 50.13 | 10 | BB Min | A: 47.89 (+2.24s | 4.5%) | Island Aquatics | 07/16/2026 | 2026 HISI LCM Championships | |
| 225 | Ishaan Malik | 50.15 | 10 | BB Min | A: 47.89 (+2.26s | 4.5%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 226 | Saul Guevara | 50.16 | 8 | BB Min | A: 47.89 (+2.27s | 4.5%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 227 | Albert Zhao | 50.17 | 10 | BB Min | A: 47.89 (+2.28s | 4.5%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 228 | Landon Gura | 50.18 | 10 | BB Min | A: 47.89 (+2.29s | 4.6%) | North Coast Aquatics | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 229 | Watson Xie | 50.19 | 10 | BB Min | A: 47.89 (+2.30s | 4.6%) | Chinook Aquatic Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 230 | Morgan ren | 50.21 | 9 | BB Min | A: 47.89 (+2.32s | 4.6%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 231 | Junji Kimori | 50.22 | 10 | BB Min | A: 47.89 (+2.33s | 4.6%) | Swim Torrance | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 232 | Frederick Sun | 50.22 | 9 | BB Min | A: 47.89 (+2.33s | 4.6%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 233 | Kekalaholuokekaipueo Hanson | 50.22 | 10 | BB Min | A: 47.89 (+2.33s | 4.6%) | Punahou Aquatics Institute | 07/16/2026 | 2026 HISI LCM Championships | |
| 234 | Bruce Zhang | 50.27 | 9 | BB Min | A: 47.89 (+2.38s | 4.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 235 | Kaid Petersen | 50.28 | 8 | BB Min | A: 47.89 (+2.39s | 4.8%) | Port Angeles Swim Club | 07/10/2026 | 2026 Sizzlin Summer Splash Copied | |
| 236 | Mikhail Pratt | 50.31 | 9 | BB Min | A: 47.89 (+2.42s | 4.8%) | Alpha Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 237 | Jacob Cardenas | 50.31 | 10 | BB Min | A: 47.89 (+2.42s | 4.8%) | Pacific Swim | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 238 | Lucas Wang | 50.38 | 8 | BB Min | A: 47.89 (+2.49s | 4.9%) | Fusion Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 239 | Jarvis Qu | 50.39 | 9 | BB Min | A: 47.89 (+2.50s | 5.0%) | Mission Viejo Nadadores | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 240 | Gunnar Torres | 50.39 | 10 | BB Min | A: 47.89 (+2.50s | 5.0%) | Gold\\\\\\'s Aquatics Club (Camas) | 08/01/2026 | 2026 GACC End Of Season | |
| 241 | Felix Cera | 50.39 | 10 | BB Min | A: 47.89 (+2.50s | 5.0%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 242 | Declan Sederholm | 50.40 | 10 | BB Min | A: 47.89 (+2.51s | 5.0%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 243 | Dylan Tian | 50.45 | 9 | BB Min | A: 47.89 (+2.56s | 5.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 244 | BaoSheng Wang | 50.50 | 9 | BB Min | A: 47.89 (+2.61s | 5.2%) | San Ramon Valley Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 245 | Caleb Taussig | 50.51 | 9 | BB Min | A: 47.89 (+2.62s | 5.2%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 246 | Aemon Meenaghan | 50.52 | 10 | BB Min | A: 47.89 (+2.63s | 5.2%) | Team Eugene Aquatics | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 247 | Erik Shabdanov | 50.53 | 9 | BB Min | A: 47.89 (+2.64s | 5.2%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 248 | Bode McCollum | 50.57 | 10 | BB Min | A: 47.89 (+2.68s | 5.3%) | Aces Swim Club | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 249 | George Bilyk | 50.58 | 9 | BB Min | A: 47.89 (+2.69s | 5.3%) | Issaquah Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 250 | Henry Jian | 50.60 | 10 | BB Min | A: 47.89 (+2.71s | 5.4%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
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.