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 | Mason Park | 53.77 | 9 | B: 53.39 (+0.38s | 0.7%) | Olympic Cascade Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | ||
| 1252 | Walden Tanaka | 53.77 | 10 | B: 53.39 (+0.38s | 0.7%) | Bay Club Aquatics | 12/05/2025 | SI 2025 RSD All Ages WAG Max | ||
| 1253 | Eric Zhao | 53.80 | 9 | B: 53.39 (+0.41s | 0.8%) | Los Angeles Swim Club | 12/06/2025 | 2025 CA CANY Candy Cane | ||
| 1254 | Vincent Kim | 53.80 | 10 | B: 53.39 (+0.41s | 0.8%) | Hydro Aquatics Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | ||
| 1255 | Carter Pyron | 53.81 | 10 | B: 53.39 (+0.42s | 0.8%) | Aquawolves Swimming | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | ||
| 1256 | Mason NG | 53.81 | 10 | B: 53.39 (+0.42s | 0.8%) | Port Angeles Swim Club | 05/16/2026 | 2026 PN PASC Masters And Munchkins Approved | ||
| 1257 | Jasper Tian | 53.82 | 9 | B: 53.39 (+0.43s | 0.8%) | Unattached | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 1258 | Leif Osborne | 53.84 | 9 | B: 53.39 (+0.45s | 0.8%) | Bay Club Aquatics | 12/05/2025 | SI 2025 RSD All Ages WAG Max | ||
| 1259 | Everett Kaiser | 53.84 | 8 | B: 53.39 (+0.45s | 0.8%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | ||
| 1260 | Cooper Conrad | 53.85 | 10 | B: 53.39 (+0.46s | 0.9%) | Livermore AquaCowboys | 09/27/2025 | PC LAC C B BB | ||
| 1261 | Dean Wu | 53.86 | 8 | B: 53.39 (+0.47s | 0.9%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | ||
| 1262 | William Zhao | 53.86 | 9 | B: 53.39 (+0.47s | 0.9%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 1263 | Filip Sapazhkou | 53.88 | 8 | B: 53.39 (+0.49s | 0.9%) | Swim Lake City Legends | 12/29/2025 | 60th Holiday Open 2025 C Meet | ||
| 1264 | Aaron Chai | 53.89 | 9 | B: 53.39 (+0.50s | 0.9%) | Seattle Metropolitan Aquatic C | 04/25/2026 | 2026 PN SSCD Spring Open Approved | ||
| 1265 | Jack Cook | 53.89 | 10 | B: 53.39 (+0.50s | 0.9%) | Swim Kauai Aquatics | 06/27/2026 | SKA Last Chance Meet 62726 | ||
| 1266 | Holden Benke | 53.89 | 9 | B: 53.39 (+0.50s | 0.9%) | Mission Valley YMCA | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1267 | Colton McKinnon | 53.90 | 10 | B: 53.39 (+0.51s | 0.9%) | Excel Aquatics | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | ||
| 1268 | Spencer Beaman | 53.90 | 9 | B: 53.39 (+0.51s | 0.9%) | Olympus Aquatics | 12/29/2025 | 60th Holiday Open 2025 C Meet | ||
| 1269 | Connor Wu | 53.90 | 9 | B: 53.39 (+0.51s | 0.9%) | Cascade Swim Club | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | ||
| 1270 | Aru Gopinath | 53.91 | 8 | B: 53.39 (+0.52s | 1.0%) | Unattached | 11/08/2025 | TCA PC November SC C B A+ | ||
| 1271 | Sebastian Guzman | 53.91 | 10 | B: 53.39 (+0.52s | 1.0%) | Bure-Aqua Academy | 02/15/2025 | 2025 CO Aces Winter Open | ||
| 1272 | Henry Kyles | 53.91 | 10 | B: 53.39 (+0.52s | 1.0%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | ||
| 1273 | Hudson Avery | 53.92 | 9 | B: 53.39 (+0.53s | 1.0%) | Seattle Metropolitan Aquatic C | 04/25/2026 | 2026 PN SSCD Spring Open Approved | ||
| 1274 | Ronan Kruse | 53.93 | 10 | B: 53.39 (+0.54s | 1.0%) | South Bay Aquatics | 12/05/2025 | 2025 SI JBST Wag Max Meet | ||
| 1275 | Kazuma Schachtner | 53.94 | 10 | B: 53.39 (+0.55s | 1.0%) | Beach Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | ||
| 1276 | Greyson Eatherly | 53.96 | 10 | B: 53.39 (+0.57s | 1.1%) | Cascade Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 1277 | Duorong Yu | 53.96 | 10 | B: 53.39 (+0.57s | 1.1%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | ||
| 1278 | Miles VanderLinden | 53.97 | 9 | B: 53.39 (+0.58s | 1.1%) | Truckee-Tahoe Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 1279 | Archer Sytsma | 53.99 | 10 | B: 53.39 (+0.60s | 1.1%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1280 | Everett Funk | 54.02 | 8 | B: 53.39 (+0.63s | 1.2%) | Rogue Rapids | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 1281 | Josiah Blanken | 54.03 | 10 | B: 53.39 (+0.64s | 1.2%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 1282 | Bradley Royce | 54.05 | 10 | B: 53.39 (+0.66s | 1.2%) | Highlands Ranch Aquatics | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 1283 | Mason McKenzie | 54.05 | 10 | B: 53.39 (+0.66s | 1.2%) | Tornadoes Swim Team | 12/20/2024 | 2024 TTSC Holiday Invitational | ||
| 1284 | Milo Payne | 54.06 | 9 | B: 53.39 (+0.67s | 1.2%) | Sonoma Sea Dragons | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 1285 | Lucas Wang | 54.08 | 10 | B: 53.39 (+0.69s | 1.3%) | Chinook Aquatic Club | 03/07/2026 | 2026 PN C March Madness Approved | ||
| 1286 | Dashiell Wang | 54.09 | 10 | B: 53.39 (+0.70s | 1.3%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 1287 | Anaahat Vedula | 54.10 | 10 | B: 53.39 (+0.71s | 1.3%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 1288 | Leo Castiglione | 54.10 | 10 | B: 53.39 (+0.71s | 1.3%) | Pearl City Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | ||
| 1289 | John Asher | 54.10 | 10 | B: 53.39 (+0.71s | 1.3%) | North Coast Aquatics | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | ||
| 1290 | Nicholas Harrold | 54.11 | 10 | B: 53.39 (+0.72s | 1.3%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | ||
| 1291 | Austin Smith | 54.13 | 9 | B: 53.39 (+0.74s | 1.4%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | ||
| 1292 | Sebastian Parker | 54.13 | 10 | B: 53.39 (+0.74s | 1.4%) | Academy Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 1293 | Aryan Malhotra | 54.13 | 7 | B: 53.39 (+0.74s | 1.4%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | ||
| 1294 | Axel Danielsen | 54.13 | 10 | B: 53.39 (+0.74s | 1.4%) | Hood River Valley Swim Team | 05/09/2026 | 2026 Spring Sprinter Invitational | ||
| 1295 | Scott Li | 54.14 | 9 | B: 53.39 (+0.75s | 1.4%) | Excel Aquatics | 11/01/2025 | 2025 Pumpkin Spice Splash | ||
| 1296 | Wesley Wong | 54.14 | 10 | B: 53.39 (+0.75s | 1.4%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 1297 | Wyatt Harrison | 54.14 | 9 | B: 53.39 (+0.75s | 1.4%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1298 | Elias Braginton | 54.15 | 8 | B: 53.39 (+0.76s | 1.4%) | Lakeridge Swim Team | 03/14/2026 | 2026 NNA AGO | ||
| 1299 | Rio Gardi | 54.15 | 10 | B: 53.39 (+0.76s | 1.4%) | Hills Hurricane Swimming | 03/28/2026 | Piedmont Swim Team C B BB+ | ||
| 1300 | Timothy Huang | 54.16 | 9 | B: 53.39 (+0.77s | 1.4%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 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.