Western Zone Zone Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Yupeng Wang | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Monterey Park Manta Rays | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 302 | Arthur Shackelton | 31.13 | 9 | BB Min | A: 31.09 (+0.04s | 0.1%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 303 | Paxton Marvray | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Sawtooth Aquatic Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 304 | Luca Aguilera | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Roadrunner Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 305 | Christian Hernandez | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Walnut Creek Aquabears | 03/20/2026 | SCY Spring Age Group Championships | |
| 306 | Leo Liao | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 307 | Cameron Glissmeyer | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | South Davis Aquatics Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 308 | Brian Chou | 31.20 | 9 | BB Min | A: 31.09 (+0.11s | 0.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 309 | Larkin Stevens | 31.20 | 10 | BB Min | A: 31.09 (+0.11s | 0.4%) | Mission Aurora Colorado Swimmi | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 310 | Dillan Quarrey | 31.21 | 9 | BB Min | A: 31.09 (+0.12s | 0.4%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 311 | Parker Sampson | 31.22 | 10 | BB Min | A: 31.09 (+0.13s | 0.4%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 312 | Ashwin Tiwari | 31.22 | 9 | BB Min | A: 31.09 (+0.13s | 0.4%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 313 | Luka McGrath | 31.23 | 10 | BB Min | A: 31.09 (+0.14s | 0.4%) | Multnomah Athletic Club | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 314 | Rory Blum | 31.24 | 9 | BB Min | A: 31.09 (+0.15s | 0.5%) | Clearfireld Cuda Aquatic Team | 02/13/2026 | 2026 OR HS 6A 4 | |
| 315 | Elijah Hutagalung | 31.24 | 10 | BB Min | A: 31.09 (+0.15s | 0.5%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 316 | Samuel Evanovich | 31.25 | 10 | BB Min | A: 31.09 (+0.16s | 0.5%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 317 | John Griswold | 31.27 | 10 | BB Min | A: 31.09 (+0.18s | 0.6%) | Alameda Gators | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 318 | Gairen Bean | 31.28 | 10 | BB Min | A: 31.09 (+0.19s | 0.6%) | South Bay Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 319 | Mason Sovich | 31.29 | 9 | BB Min | A: 31.09 (+0.20s | 0.6%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 320 | Jaxon Despain | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 321 | Cole Proescher | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Orinda Aquatics | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 322 | Leo Gazzard | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 323 | Mahkoah Tanap | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Quantum Waves Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 324 | Christopher Navarro | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Kamehameha Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 325 | Liam Kwak | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 326 | Mason Nguyen | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 327 | Maxwell Dean | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Voltage Aquatics | 10/25/2025 | Spook Splash 2025 | |
| 328 | Ace-Ryder Garza | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Dr Dolores Silas | 02/20/2026 | 2026 WIAA 3A Boys HS State Champs OB | |
| 329 | Kevin Nguyen | 31.36 | 10 | BB Min | A: 31.09 (+0.27s | 0.9%) | Legacy Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 330 | Jaezyn Magnaye | 31.37 | 10 | BB Min | A: 31.09 (+0.28s | 0.9%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 331 | Shaler Berry | 31.37 | 9 | BB Min | A: 31.09 (+0.28s | 0.9%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 332 | Liam Reyes | 31.38 | 10 | BB Min | A: 31.09 (+0.29s | 0.9%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 333 | Alfie Mobbs | 31.38 | 9 | BB Min | A: 31.09 (+0.29s | 0.9%) | Lake Oswego Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 334 | Garid Tuvshin | 31.38 | 9 | BB Min | A: 31.09 (+0.29s | 0.9%) | Paseo Aquatics Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 335 | Mark Kiselev | 31.43 | 9 | BB Min | A: 31.09 (+0.34s | 1.1%) | Royal Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 336 | Mateo Sison | 31.43 | 10 | BB Min | A: 31.09 (+0.34s | 1.1%) | San Ramon Valley Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 337 | Charlie Rippy | 31.45 | 10 | BB Min | A: 31.09 (+0.36s | 1.1%) | Moses Lake | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 338 | Zhouhan Yang | 31.47 | 10 | BB Min | A: 31.09 (+0.38s | 1.2%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 339 | Chayton Zhou | 31.48 | 9 | BB Min | A: 31.09 (+0.39s | 1.2%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 340 | Axel Wortman | 31.49 | 10 | BB Min | A: 31.09 (+0.40s | 1.3%) | Bozeman Barracudas Swim Team | 12/04/2025 | 2025 Holiday Swim Festival | |
| 341 | William Foryth | 31.50 | 10 | BB Min | A: 31.09 (+0.41s | 1.3%) | McDaniel | 02/12/2025 | 2025 OR HS 6A 1 | |
| 342 | Forest Hastings | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Roseburg | 02/13/2026 | 2026 OR HS 6A 7 | |
| 343 | Preston Kerchusky | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Boise YMCA Swim Team | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 344 | Ethan Canlas | 31.51 | 10 | BB Min | A: 31.09 (+0.42s | 1.3%) | Sandpipers of Nevada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 345 | Adrian Wong | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | La Mirada Armada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 346 | Ryan Koh | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 347 | Sebastian Hartline | 31.53 | 10 | BB Min | A: 31.09 (+0.44s | 1.4%) | Multnomah Athletic Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 348 | Michael Cheng | 31.54 | 9 | BB Min | A: 31.09 (+0.45s | 1.4%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 349 | Jayden Zhu | 31.54 | 10 | BB Min | A: 31.09 (+0.45s | 1.4%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 350 | Thanh Tran | 31.55 | 9 | BB Min | A: 31.09 (+0.46s | 1.5%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs 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.