Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Dominic Allen | 41.90 | 8 | B Min | BB: 39.79 (+2.11s | 5.0%) | Crow Canyon Sharks | 06/29/2024 | Alto Summer Swelter | |
| 502 | Otto Seeber | 41.90 | 8 | B Min | BB: 39.79 (+2.11s | 5.0%) | Flatiron Athletic Club | 04/25/2025 | 2025 CO Steve Drozda LC Shotgun | |
| 503 | Oliver Chen | 41.90 | 10 | B Min | BB: 39.79 (+2.11s | 5.0%) | South Valley Stingrays | 06/27/2025 | Valley Splash | |
| 504 | Benjamin Barco | 41.93 | 8 | B Min | BB: 39.79 (+2.14s | 5.1%) | Portland Aquatic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 505 | Vishik Sheshnag | 41.97 | 9 | B Min | BB: 39.79 (+2.18s | 5.2%) | Boulder City Henderson Swim Te | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
| 506 | Jack Peterson | 41.97 | 10 | B Min | BB: 39.79 (+2.18s | 5.2%) | Bend Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 507 | Max Ong | 41.98 | 9 | B Min | BB: 39.79 (+2.19s | 5.2%) | Pacific Swim | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 508 | Lucas Pisoni | 41.99 | 10 | B Min | BB: 39.79 (+2.20s | 5.2%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 509 | Adam Mitzel | 42.01 | 8 | B Min | BB: 39.79 (+2.22s | 5.3%) | Redmond Aquatic Club | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 510 | Andrew DiPaulo | 42.02 | 8 | B Min | BB: 39.79 (+2.23s | 5.3%) | Denver Athletic Club Swim Team | 04/25/2025 | 2025 CO TOPS Arena Catch Me If You Can | |
| 511 | Bennett Kohlmeyer | 42.03 | 9 | B Min | BB: 39.79 (+2.24s | 5.3%) | Life Time Colorado Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 512 | Sterling Hansen | 42.03 | 9 | B Min | BB: 39.79 (+2.24s | 5.3%) | Brighton Bullfrogs Swim Club | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | |
| 513 | Om Palan | 42.08 | 10 | B Min | BB: 39.79 (+2.29s | 5.4%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 514 | Jercey Zhao | 42.11 | 9 | B Min | BB: 39.79 (+2.32s | 5.5%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 515 | John Griswold | 42.12 | 9 | B Min | BB: 39.79 (+2.33s | 5.5%) | Alameda Gators | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 516 | Tobin Wong | 42.14 | 10 | B Min | BB: 39.79 (+2.35s | 5.6%) | Daly City Dolphins | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 517 | Calvin Butler | 42.18 | 8 | B Min | BB: 39.79 (+2.39s | 5.7%) | California Gold | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 518 | Bo Bamford | 42.18 | 8 | B Min | BB: 39.79 (+2.39s | 5.7%) | Portland Aquatic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 519 | Levi Cheung | 42.21 | 7 | B Min | BB: 39.79 (+2.42s | 5.7%) | Beaverton Area Aquatics Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 520 | David Rivera | 42.21 | 9 | B Min | BB: 39.79 (+2.42s | 5.7%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 521 | Sam Mancenido | 42.24 | 8 | B Min | BB: 39.79 (+2.45s | 5.8%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
| 522 | Luke Xu | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | California Dolphins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 523 | Dale Joyce | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | Puget Sound Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 524 | Calvin Hopkins | 42.24 | 8 | B Min | BB: 39.79 (+2.45s | 5.8%) | Nampa Swim Team | 07/19/2024 | 2024 SRS Summer Championships | |
| 525 | Maxwell Tam | 42.25 | 10 | B Min | BB: 39.79 (+2.46s | 5.8%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 526 | Ford Howard | 42.26 | 9 | B Min | BB: 39.79 (+2.47s | 5.8%) | Blue Dragons Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | |
| 527 | Bradley Royce | 42.27 | 9 | B Min | BB: 39.79 (+2.48s | 5.9%) | Highlands Ranch Aquatics | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 528 | Sebastian Monroy Reyes | 42.27 | 9 | B Min | BB: 39.79 (+2.48s | 5.9%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 529 | Augustus Pape | 42.29 | 10 | B Min | BB: 39.79 (+2.50s | 5.9%) | Sparks Piranhas Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 530 | Dax Nisenbaum | 42.30 | 9 | B Min | BB: 39.79 (+2.51s | 5.9%) | Hills Hurricane Swimming | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 531 | Jose Ramos Morales | 42.30 | 8 | B Min | BB: 39.79 (+2.51s | 5.9%) | Denver Triton Swim Team | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 532 | Jesper Zhang | 42.31 | 9 | B Min | BB: 39.79 (+2.52s | 6.0%) | Sandpipers of Nevada | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
| 533 | Elijah Wieczorek | 42.33 | 9 | B Min | BB: 39.79 (+2.54s | 6.0%) | Canon City Piranhas | 06/27/2025 | 2025 CO Alicia Leavitt Memorial Open | |
| 534 | Nathanael Richards | 42.33 | 8 | B Min | BB: 39.79 (+2.54s | 6.0%) | Coeur D\\\\\\'alene Area Swim Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 535 | Carter Milroy | 42.34 | 9 | B Min | BB: 39.79 (+2.55s | 6.0%) | Foothills Swim Team | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 536 | Penghao Yu | 42.34 | 9 | B Min | BB: 39.79 (+2.55s | 6.0%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 537 | Brendan Stork | 42.35 | 9 | B Min | BB: 39.79 (+2.56s | 6.0%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 538 | Luca Desset | 42.36 | 9 | B Min | BB: 39.79 (+2.57s | 6.1%) | Unattached | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 539 | Owen Zhuang | 42.36 | 8 | B Min | BB: 39.79 (+2.57s | 6.1%) | Santa Clara Swim Club | 07/20/2024 | Alto Last Splash Invitational | |
| 540 | Lok Zhang | 42.37 | 9 | B Min | BB: 39.79 (+2.58s | 6.1%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 541 | Simon Stapley | 42.37 | 10 | B Min | BB: 39.79 (+2.58s | 6.1%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 542 | Theodore Post | 42.40 | 8 | B Min | BB: 39.79 (+2.61s | 6.2%) | Swim Team of Placentia | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 543 | Vaughn Jacob | 42.41 | 10 | B Min | BB: 39.79 (+2.62s | 6.2%) | Mount Hood Aquatics | 07/11/2025 | 2025 Seth Dawson | |
| 544 | Jake McNair | 42.41 | 8 | B Min | BB: 39.79 (+2.62s | 6.2%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 545 | Vladimir Yegorov | 42.42 | 9 | B Min | BB: 39.79 (+2.63s | 6.2%) | Lake Oswego Swim Club | 06/26/2025 | 2025 Howard Jones Open | |
| 546 | Noah Chiu | 42.43 | 9 | B Min | BB: 39.79 (+2.64s | 6.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 547 | Jerry Chen | 42.43 | 10 | B Min | BB: 39.79 (+2.64s | 6.2%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 548 | Matthew Woods | 42.50 | 8 | B Min | BB: 39.79 (+2.71s | 6.4%) | Sandpipers of Nevada | 07/16/2025 | Renee And Jim Patterson Meet 2025 | |
| 549 | Archie McCallum | 42.50 | 7 | B Min | BB: 39.79 (+2.71s | 6.4%) | Poseidon Aquatic Club | 06/14/2025 | 2025 IST June Invtational | |
| 550 | Jensen Rogalsky | 42.52 | 10 | B Min | BB: 39.79 (+2.73s | 6.4%) | Gold Coast Swim Team | 05/30/2025 | LA OPEN 2025 | |
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.