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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Christopher Rasmuson | 54.20 | 8 | B Min | BB: 49.29 (+4.91s | 9.1%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 752 | Timothy Wang | 54.21 | 9 | B Min | BB: 49.29 (+4.92s | 9.1%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 753 | Sebastian Monroy Reyes | 54.23 | 9 | B Min | BB: 49.29 (+4.94s | 9.1%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 754 | Harrison Kay | 54.24 | 8 | B Min | BB: 49.29 (+4.95s | 9.1%) | Legacy Aquatics | 11/02/2024 | Oregon City Fall Open 2024 | |
| 755 | Mason Porter | 54.26 | 9 | B Min | BB: 49.29 (+4.97s | 9.2%) | Highlands Ranch Aquatics | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 756 | Robert Bray | 54.28 | 9 | B Min | BB: 49.29 (+4.99s | 9.2%) | Maverick Aquatics | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 757 | Michael Panic | 54.30 | 9 | B Min | BB: 49.29 (+5.01s | 9.2%) | Truckee-Tahoe Swim Team | 06/21/2024 | Reno Aquatic Club Gamble | |
| 758 | Adrito Daas | 54.35 | 9 | B Min | BB: 49.29 (+5.06s | 9.3%) | Tualatin Hills Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 759 | Henry Fisk | 54.35 | 9 | B Min | BB: 49.29 (+5.06s | 9.3%) | Apex | 07/19/2025 | Apex Intrasquad 3 | |
| 760 | Zhouhan Yang | 54.39 | 9 | B Min | BB: 49.29 (+5.10s | 9.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 761 | Calex Gonzalez | 54.41 | 9 | B Min | BB: 49.29 (+5.12s | 9.4%) | Apex | 07/05/2025 | 2025 OR CRST Summer Blast 3 | |
| 762 | Luke Xu | 54.47 | 9 | B Min | BB: 49.29 (+5.18s | 9.5%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 763 | Samuel Martin | 54.50 | 9 | B Min | BB: 49.29 (+5.21s | 9.6%) | SaltRakers Aquatic Club | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 764 | Micah Parris | 54.51 | 8 | B Min | BB: 49.29 (+5.22s | 9.6%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 765 | Derek Feng | 54.51 | 9 | B Min | BB: 49.29 (+5.22s | 9.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 766 | Noah Vukojevic | 54.51 | 7 | B Min | BB: 49.29 (+5.22s | 9.6%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | |
| 767 | Wylee Towner-DeMoe | 54.51 | 8 | B Min | BB: 49.29 (+5.22s | 9.6%) | Team Eugene Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 768 | Jaden Manalastas | 54.52 | 9 | B Min | BB: 49.29 (+5.23s | 9.6%) | South San Francisco Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 769 | Peter Choruby | 54.53 | 10 | B Min | BB: 49.29 (+5.24s | 9.6%) | Mount Hood Aquatics | 06/26/2025 | 2025 Howard Jones Open | |
| 770 | Wesley Clemens | 54.54 | 9 | B Min | BB: 49.29 (+5.25s | 9.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 771 | Sebastian McNary | 54.61 | 9 | B Min | BB: 49.29 (+5.32s | 9.7%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 772 | Rory Lake | 54.62 | 10 | B Min | BB: 49.29 (+5.33s | 9.8%) | Hillsboro Swim Team | 06/06/2025 | 2025 CST Summer Invitational | |
| 773 | Orion Boudreaux | 54.65 | 10 | B Min | BB: 49.29 (+5.36s | 9.8%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 774 | Dean Intakeha | 54.65 | 8 | B Min | BB: 49.29 (+5.36s | 9.8%) | Alto Swim Club | 05/18/2024 | Alto May Cray Invitational | |
| 775 | Reyansh Kini | 54.67 | 9 | B Min | BB: 49.29 (+5.38s | 9.8%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 776 | Mikail Adlinsyah | 54.67 | 9 | B Min | BB: 49.29 (+5.38s | 9.8%) | Swim Excellence Academy | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 777 | Alexander Woodard | 54.67 | 8 | B Min | BB: 49.29 (+5.38s | 9.8%) | COSA Swimming | 05/30/2025 | 2025 CO COSA Long Course Open | |
| 778 | Shuyi Tan | 54.67 | 8 | B Min | BB: 49.29 (+5.38s | 9.8%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 779 | Sebastian Bagga | 54.71 | 9 | B Min | BB: 49.29 (+5.42s | 9.9%) | South Valley Makos | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 780 | Richard Tang | 54.73 | 9 | B Min | BB: 49.29 (+5.44s | 9.9%) | Triton Aquatics Club | 04/19/2025 | Alto Spring Jam Meet | |
| 781 | Noah Chiu | 54.74 | 9 | B Min | BB: 49.29 (+5.45s | 10.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 782 | Aaron im | 54.75 | 8 | B Min | BB: 49.29 (+5.46s | 10.0%) | West Coast Aquatics | 05/29/2025 | 2025 IE VS Apple Capital | |
| 783 | Alexander Forward | 54.75 | 7 | B Min | BB: 49.29 (+5.46s | 10.0%) | San Jose Goosemonkeys | 06/27/2025 | Valley Splash | |
| 784 | Henry Jian | 54.79 | 9 | B Min | BB: 49.29 (+5.50s | 10.0%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | |
| 785 | Gabriel Hawkins | 54.79 | 9 | B Min | BB: 49.29 (+5.50s | 10.0%) | Sandpoint Sharks Swim Club | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 786 | Aleksander Zuev | 54.79 | 8 | B Min | BB: 49.29 (+5.50s | 10.0%) | Foothills Swim Team | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 787 | Remington Kalicinski | 54.79 | 9 | B Min | BB: 49.29 (+5.50s | 10.0%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 788 | Radin Yazdan | 54.79 | 9 | B Min | BB: 49.29 (+5.50s | 10.0%) | VillaSport Swim Team | 07/11/2025 | 2025 THSC Summer Classic | |
| 789 | Gerel Bolorkhuu | 54.82 | 10 | B Min | BB: 49.29 (+5.53s | 10.1%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 790 | Ryder McDermitt | 54.83 | 7 | B Min | BB: 49.29 (+5.54s | 10.1%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 791 | Kenneth Green | 54.89 | 8 | B Min | BB: 49.29 (+5.60s | 10.2%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 792 | William Oubre | 54.90 | 9 | B Min | BB: 49.29 (+5.61s | 10.2%) | Salida Cyclones | 06/27/2025 | 2025 CO Alicia Leavitt Memorial Open | |
| 793 | Jacob Hernandez | 54.92 | 7 | B Min | BB: 49.29 (+5.63s | 10.3%) | Pikes Peak Athletics | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | |
| 794 | Hogan Crow | 54.92 | 8 | B Min | BB: 49.29 (+5.63s | 10.3%) | Coeur D\\\\\\'alene Area Swim Team | 06/20/2025 | 2025 SWAT Summer Solstice | |
| 795 | Nicolas Chapman | 54.93 | 9 | B Min | BB: 49.29 (+5.64s | 10.3%) | Park City Swimming | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 796 | Kai Kitamori | 54.93 | 9 | B Min | BB: 49.29 (+5.64s | 10.3%) | East Bay Bat Rays | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 797 | Ryan Hu | 54.94 | 7 | B Min | BB: 49.29 (+5.65s | 10.3%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 798 | Micah Legaspi | 54.97 | 8 | B Min | BB: 49.29 (+5.68s | 10.3%) | Seaside Aquatic Club | 05/18/2024 | San Benito Aquatics C B A+ | |
| 799 | Elias Lien | 54.99 | 7 | B Min | BB: 49.29 (+5.70s | 10.4%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 800 | Evan Wang | 54.99 | 8 | B Min | BB: 49.29 (+5.70s | 10.4%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
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.