Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Chase Clark | 47.99 | 10 | BB Min | A: 43.09 (+4.90s | 10.2%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 602 | Mykhail Zolotukhin | 48.00 | 8 | BB Min | A: 43.09 (+4.91s | 10.2%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 603 | Aiden Kiatrungrit | 48.02 | 10 | BB Min | A: 43.09 (+4.93s | 10.3%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 604 | Bruce Zhang | 48.03 | 9 | BB Min | A: 43.09 (+4.94s | 10.3%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 605 | Jack Farnsworth | 48.08 | 9 | BB Min | A: 43.09 (+4.99s | 10.4%) | Aces Swim Club | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 606 | Micah Gonzalez | 48.09 | 10 | BB Min | A: 43.09 (+5.00s | 10.4%) | Sawtooth Aquatic Club | 07/05/2025 | Sawtooth Last Chance Time Trial | |
| 607 | Austin Brower | 48.09 | 9 | BB Min | A: 43.09 (+5.00s | 10.4%) | Pacific Swim | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 608 | Royce Reed | 48.09 | 8 | BB Min | A: 43.09 (+5.00s | 10.4%) | King Aquatic Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 609 | Kai Chen | 48.11 | 10 | BB Min | A: 43.09 (+5.02s | 10.4%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 610 | Carter Sparks | 48.12 | 10 | BB Min | A: 43.09 (+5.03s | 10.5%) | Front Range Barracudas | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 611 | Remington Kalicinski | 48.13 | 10 | BB Min | A: 43.09 (+5.04s | 10.5%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 612 | Roland Suida | 48.15 | 9 | BB Min | A: 43.09 (+5.06s | 10.5%) | Rogue Rapids | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 613 | Luca Moyes | 48.18 | 9 | BB Min | A: 43.09 (+5.09s | 10.6%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 614 | Sebastian McNary | 48.18 | 10 | BB Min | A: 43.09 (+5.09s | 10.6%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 615 | Steven Ibana | 48.18 | 9 | BB Min | A: 43.09 (+5.09s | 10.6%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 616 | Sebastian Lam | 48.19 | 9 | BB Min | A: 43.09 (+5.10s | 10.6%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 617 | Alex Agourian | 48.23 | 10 | BB Min | A: 43.09 (+5.14s | 10.7%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 618 | Declan Becker | 48.25 | 9 | BB Min | A: 43.09 (+5.16s | 10.7%) | Woodbridge Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 619 | Milo Chan | 48.26 | 9 | BB Min | A: 43.09 (+5.17s | 10.7%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 620 | Weston Tyrrell | 48.27 | 8 | BB Min | A: 43.09 (+5.18s | 10.7%) | Capital City Athletics | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 621 | Henry Jian | 48.30 | 10 | BB Min | A: 43.09 (+5.21s | 10.8%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 622 | James Carwin | 48.30 | 9 | BB Min | A: 43.09 (+5.21s | 10.8%) | Front Range Barracudas | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 623 | Ruslan Kalinnikov | 48.30 | 8 | BB Min | A: 43.09 (+5.21s | 10.8%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 624 | Alex Liu | 48.32 | 9 | BB Min | A: 43.09 (+5.23s | 10.8%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 625 | Adam Wanichek | 48.33 | 10 | BB Min | A: 43.09 (+5.24s | 10.8%) | Bellevue Club Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 626 | Daniel Wang | 48.34 | 10 | BB Min | A: 43.09 (+5.25s | 10.9%) | Seattle Metropolitan Aquatic C | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 627 | Aadyant Agrawal | 48.36 | 9 | BB Min | A: 43.09 (+5.27s | 10.9%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 628 | Arick Yuan | 48.39 | 10 | BB Min | A: 43.09 (+5.30s | 11.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 629 | Isaiah Bridge | 48.40 | 10 | BB Min | A: 43.09 (+5.31s | 11.0%) | Redmond Aquatic Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 630 | Dashel Archer | 48.40 | 10 | BB Min | A: 43.09 (+5.31s | 11.0%) | Evergreen Hurricanes | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 631 | Bruce Chou | 48.41 | 10 | B: 44.49 (+3.92s | 8.1%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 632 | Mars Meihack | 48.41 | 9 | BB Min | A: 43.09 (+5.32s | 11.0%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 633 | Hohyeon Cho | 48.47 | 10 | BB Min | A: 43.09 (+5.38s | 11.1%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 634 | Jasper Zhong | 48.47 | 8 | BB Min | A: 43.09 (+5.38s | 11.1%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 635 | Ethan Yang | 48.47 | 9 | BB Min | A: 43.09 (+5.38s | 11.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 636 | Joseph Leach | 48.47 | 9 | BB Min | A: 43.09 (+5.38s | 11.1%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 637 | George Bilyk | 48.49 | 9 | BB Min | A: 43.09 (+5.40s | 11.1%) | Issaquah Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 638 | Grayson Julien | 48.50 | 10 | BB Min | A: 43.09 (+5.41s | 11.2%) | South Valley Makos | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 639 | Rhys Mehta | 48.50 | 9 | BB Min | A: 43.09 (+5.41s | 11.2%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | |
| 640 | Matvii Medvediev | 48.50 | 9 | BB Min | A: 43.09 (+5.41s | 11.2%) | Tornadoes Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 641 | Oliver Li | 48.54 | 10 | BB Min | A: 43.09 (+5.45s | 11.2%) | Eastside Aquatic Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 642 | Hudson Goodrich | 48.55 | 9 | BB Min | A: 43.09 (+5.46s | 11.2%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 643 | William Rickert | 48.56 | 8 | BB Min | A: 43.09 (+5.47s | 11.3%) | South Orange County Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 644 | Boone Day | 48.56 | 8 | BB Min | A: 43.09 (+5.47s | 11.3%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 645 | Christopher Scheetz | 48.58 | 9 | BB Min | A: 43.09 (+5.49s | 11.3%) | COSA Swimming | 06/05/2026 | 2026 COSA Long Couse Open | |
| 646 | William Song | 48.60 | 8 | BB Min | A: 43.09 (+5.51s | 11.3%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 647 | Jacob Chen | 48.60 | 9 | BB Min | A: 43.09 (+5.51s | 11.3%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 648 | Daniel Gerasimov | 48.62 | 8 | BB Min | A: 43.09 (+5.53s | 11.4%) | Los Gatos Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 649 | Philip McDevitt | 48.62 | 10 | BB Min | A: 43.09 (+5.53s | 11.4%) | Chinook Aquatic Club | 06/12/2026 | 2026 THSC June Open | |
| 650 | Anthony Ma | 48.63 | 10 | BB Min | A: 43.09 (+5.54s | 11.4%) | Cottonwood Heights Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
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.