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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1251 | Reean Shen | 52.31 | 9 | B Min | BB: 47.69 (+4.62s | 8.8%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 1252 | Luca Platko | 52.33 | 10 | B Min | BB: 47.69 (+4.64s | 8.9%) | Inland Coastal Aquatic Club | 11/02/2025 | 2025 SI ICAC RISING STARS 1 | |
| 1253 | Adam Ellingwood | 52.34 | 10 | B Min | BB: 47.69 (+4.65s | 8.9%) | Orinda Aquatics | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 1254 | Coden Celani | 52.34 | 10 | B Min | BB: 47.69 (+4.65s | 8.9%) | Southern Utah Swimming Associa | 09/26/2025 | Stingrays Fall Fling Sep 2025 | |
| 1255 | Lucas Poupard | 52.35 | 8 | B Min | BB: 47.69 (+4.66s | 8.9%) | McGrath Marlins Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1256 | Thomas Boernke | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | |
| 1257 | Clark Wilson | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Unattached | 12/06/2025 | Alto Dec 6 7 CBA | |
| 1258 | Sawyer Stephenson-Sabin | 52.35 | 9 | B Min | BB: 47.69 (+4.66s | 8.9%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 1259 | Maxwell Kelsey | 52.36 | 9 | B Min | BB: 47.69 (+4.67s | 8.9%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1260 | Daniel Sheng | 52.37 | 9 | B Min | BB: 47.69 (+4.68s | 8.9%) | Coronado Swim -team Elite | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 1261 | Felix Franson | 52.38 | 9 | B Min | BB: 47.69 (+4.69s | 9.0%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1262 | Carter Beckman | 52.38 | 10 | B Min | BB: 47.69 (+4.69s | 9.0%) | Swim Neptune | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1263 | Joohwan Kim | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1264 | Brandon Brooks | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 1265 | Lucas Sussman | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 1266 | Logan Ma | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | East Bay Silver Dolphins | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 1267 | Murphy Oneill Butler | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Wind N Sea Swim Team | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1268 | Chinmay Joshi | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1269 | John Knudsen | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Puget Sound Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1270 | Grant Soder | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 1271 | Mateo Lopez | 52.45 | 8 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1272 | Clayton Du | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1273 | Levi Jacobs | 52.47 | 8 | B Min | BB: 47.69 (+4.78s | 9.1%) | Hickam Hurricanes | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1274 | Benjamin Bull | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bellevue Club Swim Team | 02/01/2025 | 2025 PN BISC Bluefin Invitational | |
| 1275 | Nil Shamshurin | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bure-Aqua Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1276 | Maximus Coleman | 52.51 | 10 | B Min | BB: 47.69 (+4.82s | 9.2%) | Cottonwood Heights Aquatics | 09/12/2025 | 2025 CHAT SDAT September Dual | |
| 1277 | Mason Lam | 52.52 | 8 | B Min | BB: 47.69 (+4.83s | 9.2%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1278 | Maxwell Ma | 52.53 | 9 | B Min | BB: 47.69 (+4.84s | 9.2%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1279 | Mo Chen | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | |
| 1280 | Arthur Viray | 52.54 | 9 | B Min | BB: 47.69 (+4.85s | 9.2%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 1281 | Daniel Rumean | 52.55 | 10 | B Min | BB: 47.69 (+4.86s | 9.2%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 1282 | Ezra Ruffcorn | 52.55 | 8 | B Min | BB: 47.69 (+4.86s | 9.2%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 1283 | Ezra Howell | 52.56 | 10 | B Min | BB: 47.69 (+4.87s | 9.3%) | Sun Valley 5 B | 10/25/2025 | Spook Splash 2025 | |
| 1284 | Hantian You | 52.57 | 10 | B Min | BB: 47.69 (+4.88s | 9.3%) | Lake Oswego Swim Club | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 1285 | Reece Donaldson | 52.58 | 10 | B Min | BB: 47.69 (+4.89s | 9.3%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 1286 | Andrii Ivanov | 52.58 | 10 | B Min | BB: 47.69 (+4.89s | 9.3%) | Valley Aquatics | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 1287 | Nickolas Parasimenco | 52.59 | 9 | B Min | BB: 47.69 (+4.90s | 9.3%) | Tooele Sea Serpents | 12/13/2025 | 2025 UTAH Winter Classic | |
| 1288 | Hugo Situ | 52.59 | 9 | B Min | BB: 47.69 (+4.90s | 9.3%) | Daly City Dolphins | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 1289 | William Huang | 52.60 | 8 | B Min | BB: 47.69 (+4.91s | 9.3%) | Daly City Dolphins | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1290 | Shenukha Alahakoon | 52.60 | 10 | B Min | BB: 47.69 (+4.91s | 9.3%) | Tualatin Hills Swim Club | 01/18/2025 | 2025 Thunderbolt Round Robin Invitational | |
| 1291 | Alexander Forward | 52.61 | 8 | B Min | BB: 47.69 (+4.92s | 9.4%) | San Jose Goosemonkeys | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1292 | Jackson Shaw | 52.62 | 10 | B Min | BB: 47.69 (+4.93s | 9.4%) | Coeur D\\\\\\'alene Area Swim Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 1293 | Cooper Dickie | 52.62 | 10 | B Min | BB: 47.69 (+4.93s | 9.4%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 1294 | Blake Robinson | 52.62 | 9 | B Min | BB: 47.69 (+4.93s | 9.4%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1295 | Patrick Chen | 52.65 | 9 | B Min | BB: 47.69 (+4.96s | 9.4%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 1296 | Logan Shen | 52.65 | 10 | B Min | BB: 47.69 (+4.96s | 9.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 1297 | Phillip Adams | 52.66 | 9 | B Min | BB: 47.69 (+4.97s | 9.4%) | Swim Team of Placentia | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1298 | Stetson Webb | 52.66 | 9 | B Min | BB: 47.69 (+4.97s | 9.4%) | Sebastopol Sea Serpents | 03/28/2026 | SSS Shamrock Showdown CBA+ | |
| 1299 | Connolly Coon | 52.67 | 10 | B Min | BB: 47.69 (+4.98s | 9.5%) | Front Range Barracudas | 12/15/2024 | 2024 CO CUDA Vs FST Dual | |
| 1300 | Marlon Chinchilla | 52.67 | 9 | B Min | BB: 47.69 (+4.98s | 9.5%) | Piranha Swimming | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
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.