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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | George He | 48.64 | 9 | B Min | BB: 47.69 (+0.95s | 2.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 702 | Harrison Millard | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Bellingham Bay Swim Team | 10/04/2025 | 2025 PN BBST Fall Kickoff | |
| 703 | Knox Monsivais | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Lehi Aquatics | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 704 | Declan Davis | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 705 | Maximilian Zhou | 48.68 | 9 | B Min | BB: 47.69 (+0.99s | 2.0%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 706 | Daniel Rondel | 48.69 | 9 | B Min | BB: 47.69 (+1.00s | 2.1%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 707 | Daniel Khait | 48.69 | 10 | B Min | BB: 47.69 (+1.00s | 2.1%) | Bay Club Santa Clara Dolphins | 02/28/2026 | Swim South Bay | |
| 708 | Marcus Zhu | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 709 | Jaden Langley | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 710 | Caleb Nguyen | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | East Bay Silver Dolphins | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 711 | Zimo Xu | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 712 | Ishaan Mittal | 48.78 | 10 | B Min | BB: 47.69 (+1.09s | 2.2%) | Rogue Rapids | 04/25/2026 | 2026 Rogue Rapids Spring Sprint Intrasquad | |
| 713 | Andy Yu | 48.78 | 9 | B Min | BB: 47.69 (+1.09s | 2.2%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 714 | Dashel Archer | 48.78 | 10 | B Min | BB: 47.69 (+1.09s | 2.2%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 715 | Asher Mormino | 48.78 | 10 | B Min | BB: 47.69 (+1.09s | 2.2%) | Bend Swim Club | 11/15/2024 | Bend High Desert Classic | |
| 716 | Christopher Scheetz | 48.78 | 9 | B Min | BB: 47.69 (+1.09s | 2.2%) | COSA Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 717 | Noah Chang | 48.79 | 9 | B Min | BB: 47.69 (+1.10s | 2.3%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 718 | Mason Skradski | 48.81 | 9 | B Min | BB: 47.69 (+1.12s | 2.3%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 719 | Zacharia Labyed | 48.81 | 9 | B Min | BB: 47.69 (+1.12s | 2.3%) | North Coast Aquatics | 04/12/2025 | 2025 SBA BC Meet | |
| 720 | Ethan Gao | 48.82 | 9 | B Min | BB: 47.69 (+1.13s | 2.3%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 721 | Henry Faconti | 48.82 | 9 | B Min | BB: 47.69 (+1.13s | 2.3%) | Highlands Ranch Aquatics | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 722 | Mason Suniega | 48.84 | 10 | B Min | BB: 47.69 (+1.15s | 2.4%) | Fog City Hammerheads | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 723 | Jack Willey | 48.84 | 10 | B Min | BB: 47.69 (+1.15s | 2.4%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 724 | Jake Gehlert | 48.85 | 9 | B Min | BB: 47.69 (+1.16s | 2.4%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 725 | Brian Adam | 48.86 | 10 | B Min | BB: 47.69 (+1.17s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 726 | Stanislaw Gruszka | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | |
| 727 | Atharv Choubey | 48.88 | 9 | B Min | BB: 47.69 (+1.19s | 2.4%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 728 | Zachary Bixler | 48.89 | 10 | B Min | BB: 47.69 (+1.20s | 2.5%) | Inland Coastal Aquatic Club | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 729 | Alexander Zhurid | 48.90 | 8 | B Min | BB: 47.69 (+1.21s | 2.5%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 730 | Kais Esmail | 48.91 | 10 | B Min | BB: 47.69 (+1.22s | 2.5%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 731 | Camden Sparenborg | 48.91 | 8 | B Min | BB: 47.69 (+1.22s | 2.5%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 732 | Aaron Xue | 48.91 | 9 | B Min | BB: 47.69 (+1.22s | 2.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 733 | Saul Guevara | 48.92 | 8 | B Min | BB: 47.69 (+1.23s | 2.5%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 734 | Zakhar Breslavskyi | 48.93 | 9 | B Min | BB: 47.69 (+1.24s | 2.5%) | Boise YMCA Swim Team | 10/25/2025 | 2025 Spooktacular Swim Meet | |
| 735 | Weibo Gao | 48.93 | 10 | B Min | BB: 47.69 (+1.24s | 2.5%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 736 | Finn McJunkin | 48.93 | 10 | B Min | BB: 47.69 (+1.24s | 2.5%) | Swim Lake City Legends | 12/13/2025 | 2025 UTAH Winter Classic | |
| 737 | Mivaan Sarafi | 48.94 | 9 | B Min | BB: 47.69 (+1.25s | 2.6%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 738 | Leon Ye | 48.95 | 10 | B Min | BB: 47.69 (+1.26s | 2.6%) | Issaquah Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 739 | Maddox Fiddler | 48.96 | 10 | B Min | BB: 47.69 (+1.27s | 2.6%) | Punahou Aquatics Institute | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 740 | Adam Wanichek | 48.97 | 10 | B Min | BB: 47.69 (+1.28s | 2.6%) | Unattached | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 741 | Adrian Seto | 48.98 | 9 | B Min | BB: 47.69 (+1.29s | 2.6%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 742 | Connor Chiang | 48.98 | 10 | B Min | BB: 47.69 (+1.29s | 2.6%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 743 | Brayden Nguyen | 48.98 | 9 | B Min | BB: 47.69 (+1.29s | 2.6%) | San Jose Goosemonkeys | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 744 | Ian Lee | 48.98 | 8 | B Min | BB: 47.69 (+1.29s | 2.6%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 745 | Ali Abolfadl | 48.99 | 9 | B Min | BB: 47.69 (+1.30s | 2.7%) | Olympic Cascade Aquatics | 10/04/2025 | 2025 PN OCA John Walker Invitational | |
| 746 | Blake Sellers | 48.99 | 10 | B Min | BB: 47.69 (+1.30s | 2.7%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 747 | Greyson Thach | 48.99 | 8 | B Min | BB: 47.69 (+1.30s | 2.7%) | Oakland Undercurrent Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 748 | Brandon Son | 49.00 | 8 | B Min | BB: 47.69 (+1.31s | 2.7%) | Columbia River Swim Team | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 749 | Robert Patterson | 49.00 | 10 | B Min | BB: 47.69 (+1.31s | 2.7%) | Lake Oswego Swim Club | 02/15/2026 | 2026 OR CB Valentine Last Chance Invitational | |
| 750 | Henry Luevano | 49.00 | 9 | B Min | BB: 47.69 (+1.31s | 2.7%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
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.