Western Zone Zone Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Bandon Smith | 48.67 | 9 | B: 48.29 (+0.38s | 0.8%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 1452 | Nolan Root | 48.67 | 10 | B: 48.29 (+0.38s | 0.8%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 1453 | Mykhail Zolotukhin | 48.69 | 8 | B: 48.29 (+0.40s | 0.8%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | ||
| 1454 | Jack Kitch | 48.69 | 9 | B: 48.29 (+0.40s | 0.8%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | ||
| 1455 | Tucker Moon | 48.71 | 9 | B: 48.29 (+0.42s | 0.9%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 1456 | Cannon Vaughn | 48.71 | 9 | B: 48.29 (+0.42s | 0.9%) | Eugene City Swim Club | 05/16/2026 | 2026 Otter Invitational Copied | ||
| 1457 | Hogan Crow | 48.71 | 10 | B: 48.29 (+0.42s | 0.9%) | Coeur D\\\\\\'alene Area Swim Team | 01/10/2025 | 2025 Hells Canyon Invitational | ||
| 1458 | Everett Adkins | 48.73 | 10 | B: 48.29 (+0.44s | 0.9%) | Excel Aquatics | 09/12/2025 | 2025 Excel Fall Fest Open | ||
| 1459 | Winston Parsons | 48.74 | 10 | B: 48.29 (+0.45s | 0.9%) | Murray Aquatic Club | 11/21/2025 | 2025 MAC Thanksgiving Invitational | ||
| 1460 | Marcus Chui | 48.74 | 9 | B: 48.29 (+0.45s | 0.9%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | ||
| 1461 | Joshua Park | 48.74 | 10 | B: 48.29 (+0.45s | 0.9%) | Las Vegas Swim Club | 11/08/2024 | 2024 NV State Championships | ||
| 1462 | Hudson Smith | 48.74 | 8 | B: 48.29 (+0.45s | 0.9%) | Excel Aquatics | 11/07/2025 | TNAQ 2025 FALL INVITATIONAL | ||
| 1463 | Alimansur Aidyn | 48.75 | 9 | B: 48.29 (+0.46s | 0.9%) | Bure-Aqua Academy | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 1464 | Rorick Umbras | 48.77 | 10 | B: 48.29 (+0.48s | 1.0%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 1465 | Campbell Samuel | 48.77 | 9 | B: 48.29 (+0.48s | 1.0%) | Legacy Aquatics | 12/20/2025 | 2025 Legacy Aquatics Showdown | ||
| 1466 | Bruce Copeland-Fellezs | 48.78 | 9 | B: 48.29 (+0.49s | 1.0%) | Rainbow Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | ||
| 1467 | Kevin Struemph | 48.79 | 9 | B: 48.29 (+0.50s | 1.0%) | Wild West Aquatic Club | 12/07/2025 | 2025 BD Del Norte #3 | ||
| 1468 | Holden Benke | 48.79 | 9 | B: 48.29 (+0.50s | 1.0%) | Mission Valley YMCA | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1469 | Wyatt White | 48.80 | 10 | B: 48.29 (+0.51s | 1.0%) | Poseidon Aquatic Club | 05/16/2026 | 2026 PN TOSC OST PAC May Meet Approved | ||
| 1470 | Jack Kutrovics | 48.80 | 10 | B: 48.29 (+0.51s | 1.0%) | YMCA of Snohomish County Barra | 01/24/2026 | 2026 WA State Y Championship Meet | ||
| 1471 | Maddox Fish | 48.80 | 9 | B: 48.29 (+0.51s | 1.0%) | Pikes Peak Athletics | 07/11/2025 | 2025 CO AP Rocky Mountain State Games | ||
| 1472 | Matthew Huizingh | 48.81 | 10 | B: 48.29 (+0.52s | 1.1%) | Northern Colorado Swim Club | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | ||
| 1473 | Andy Shi | 48.81 | 9 | B: 48.29 (+0.52s | 1.1%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1474 | Alex Hirata | 48.82 | 10 | B: 48.29 (+0.53s | 1.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 1475 | Nicolas Chapman | 48.84 | 10 | B: 48.29 (+0.55s | 1.1%) | Park City Swimming | 07/28/2025 | PC Finale | ||
| 1476 | Wyatt Harrison | 48.84 | 10 | B: 48.29 (+0.55s | 1.1%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1477 | Kosta Petrosian | 48.84 | 9 | B: 48.29 (+0.55s | 1.1%) | Academy Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 1478 | Kaycen Rodriguez | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | ||
| 1479 | Evan Lambiotte | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | Thurston Olympians Swim Club | 05/16/2026 | 2026 PN TOSC OST PAC May Meet Approved | ||
| 1480 | Isaac Pearce | 48.86 | 8 | B: 48.29 (+0.57s | 1.2%) | Aces Swim Club | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1481 | Sam Lin | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 1482 | Kyle Jung | 48.87 | 10 | B: 48.29 (+0.58s | 1.2%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | ||
| 1483 | Jaechul Jung | 48.87 | 9 | B: 48.29 (+0.58s | 1.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 1484 | Elam Frazier | 48.88 | 10 | B: 48.29 (+0.59s | 1.2%) | Colorado Blue | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 1485 | Theo Rogalsky | 48.88 | 10 | B: 48.29 (+0.59s | 1.2%) | Gold Coast Swim Team | 11/07/2025 | SCAT Open | ||
| 1486 | Jeon Spears | 48.89 | 10 | B: 48.29 (+0.60s | 1.2%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | ||
| 1487 | Archie Aguirres | 48.89 | 9 | B: 48.29 (+0.60s | 1.2%) | Laramie Swim Club | 01/23/2026 | 2026 CO FAST Winter Open | ||
| 1488 | Eason Niu | 48.89 | 9 | B: 48.29 (+0.60s | 1.2%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | ||
| 1489 | Stetson Webb | 48.90 | 10 | B: 48.29 (+0.61s | 1.2%) | Unattached | 07/25/2026 | 2026 REAL Championships | ||
| 1490 | Cayden Aguirre | 48.92 | 10 | B: 48.29 (+0.63s | 1.3%) | Pueblo Swim Club | 01/25/2026 | 2026 CO PSC Winter Sprints | ||
| 1491 | Corbin D'Alessio | 48.94 | 10 | B: 48.29 (+0.65s | 1.3%) | Chinook Aquatic Club | 11/09/2025 | 2025 PN C Pentathlon | ||
| 1492 | Kai Chen | 48.95 | 10 | B: 48.29 (+0.66s | 1.3%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 1493 | Jackson Jensen | 48.96 | 9 | B: 48.29 (+0.67s | 1.4%) | Valley Aquatics | 02/14/2025 | 2025 PN UPAC 4th Annual February Fly In | ||
| 1494 | Nolan Morrill | 48.97 | 9 | B: 48.29 (+0.68s | 1.4%) | South Valley Stingrays | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 1495 | Logan Rowalt | 48.97 | 9 | B: 48.29 (+0.68s | 1.4%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | ||
| 1496 | Zachary Tsang | 48.98 | 10 | B: 48.29 (+0.69s | 1.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 1497 | Maxwell Kushner | 49.00 | 8 | B: 48.29 (+0.71s | 1.4%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 1498 | Hayden Borgen | 49.00 | 8 | B: 48.29 (+0.71s | 1.4%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 1499 | Oliver Li | 49.01 | 10 | B: 48.29 (+0.72s | 1.5%) | Eastside Aquatic Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | ||
| 1500 | Otto Hueseman | 49.02 | 10 | B: 48.29 (+0.73s | 1.5%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | ||
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.