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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Dean Simmons | 52.05 | 10 | B Min | BB: 47.69 (+4.36s | 8.4%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 1002 | Michael Sohn | 52.05 | 10 | B Min | BB: 47.69 (+4.36s | 8.4%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | |
| 1003 | Jack Kutrovics | 52.07 | 10 | B Min | BB: 47.69 (+4.38s | 8.4%) | YMCA of Snohomish County Barra | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 1004 | Milo Parrocha-Lambert | 52.09 | 9 | B Min | BB: 47.69 (+4.40s | 8.4%) | Seattle Metropolitan Aquatic C | 05/17/2026 | 2026 PN SMAC May Mini Meet Approved | |
| 1005 | Kai Miller | 52.09 | 10 | B Min | BB: 47.69 (+4.40s | 8.4%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | |
| 1006 | Owen Mast | 52.09 | 9 | B Min | BB: 47.69 (+4.40s | 8.4%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1007 | Maximus Saure | 52.10 | 8 | B Min | BB: 47.69 (+4.41s | 8.5%) | South Bay Aquatics | 08/08/2026 | 2026 SI CAST All Ages August Wrap Up Meet C | |
| 1008 | Nash Meredith | 52.10 | 10 | B Min | BB: 47.69 (+4.41s | 8.5%) | Pacifica Sea Lions | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 1009 | Moxon Fain | 52.10 | 10 | B Min | BB: 47.69 (+4.41s | 8.5%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1010 | Eli Shin | 52.12 | 9 | B Min | BB: 47.69 (+4.43s | 8.5%) | Stingray Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 1011 | Nolan Sun | 52.13 | 10 | B Min | BB: 47.69 (+4.44s | 8.5%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 1012 | Samuel Lopez Silva | 52.13 | 10 | B Min | BB: 47.69 (+4.44s | 8.5%) | Pro Swimming | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 1013 | Sawyer Mabry | 52.16 | 9 | B Min | BB: 47.69 (+4.47s | 8.6%) | Wild West Aquatic Club | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 1014 | Enric Lee | 52.18 | 10 | B Min | BB: 47.69 (+4.49s | 8.6%) | Bay Club Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 1015 | Ethan Shiflet | 52.18 | 9 | B Min | BB: 47.69 (+4.49s | 8.6%) | Montclair Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 1016 | Brigham Tibbitts | 52.18 | 9 | B Min | BB: 47.69 (+4.49s | 8.6%) | Ski Hi Aquatics | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | |
| 1017 | Jaden McLaughlin | 52.19 | 9 | B Min | BB: 47.69 (+4.50s | 8.6%) | Killer Whales Swim Club | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | |
| 1018 | Colin Hui | 52.19 | 10 | B Min | BB: 47.69 (+4.50s | 8.6%) | Highlands Ranch Aquatics | 11/15/2024 | 2024 CO TOPS Fall Invite | |
| 1019 | Joseph Hager | 52.20 | 10 | B Min | BB: 47.69 (+4.51s | 8.6%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 1020 | Theo Rogalsky | 52.22 | 10 | B Min | BB: 47.69 (+4.53s | 8.7%) | Gold Coast Swim Team | 08/07/2026 | Big Kahuna 2026 | |
| 1021 | Oliver Morris | 52.22 | 9 | B Min | BB: 47.69 (+4.53s | 8.7%) | Lake Oswego Swim Club | 11/07/2025 | 2025 McSwimville Invitational | |
| 1022 | James Witt | 52.22 | 9 | B Min | BB: 47.69 (+4.53s | 8.7%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 1023 | Jace Gordon | 52.22 | 9 | B Min | BB: 47.69 (+4.53s | 8.7%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1024 | Tomaso Pisegna | 52.23 | 9 | B Min | BB: 47.69 (+4.54s | 8.7%) | South Valley Makos | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1025 | Evan Chang | 52.23 | 9 | B Min | BB: 47.69 (+4.54s | 8.7%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 1026 | Kensington Hull | 52.23 | 10 | B Min | BB: 47.69 (+4.54s | 8.7%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1027 | Christopher Chang | 52.23 | 10 | B Min | BB: 47.69 (+4.54s | 8.7%) | Bellingham Bay Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 1028 | Charles Zheng | 52.25 | 10 | B Min | BB: 47.69 (+4.56s | 8.7%) | California Dolphins Swim Team | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 1029 | Sriram Goriparthi | 52.28 | 9 | B Min | BB: 47.69 (+4.59s | 8.8%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | |
| 1030 | Brian Xie | 52.29 | 9 | B Min | BB: 47.69 (+4.60s | 8.8%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 1031 | Logan Shen | 52.30 | 10 | B Min | BB: 47.69 (+4.61s | 8.8%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 1032 | Austin Brower | 52.30 | 9 | B Min | BB: 47.69 (+4.61s | 8.8%) | Pacific Swim | 06/13/2026 | 2026 SI ICAC 14U RISING STARS 2 | |
| 1033 | Luca Platko | 52.33 | 10 | B Min | BB: 47.69 (+4.64s | 8.9%) | Inland Coastal Aquatic Club | 11/02/2025 | 2025 SI ICAC RISING STARS 1 | |
| 1034 | Clark Wilson | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Unattached | 12/06/2025 | Alto Dec 6 7 CBA | |
| 1035 | Sawyer Stephenson-Sabin | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 1036 | Maxwell Kelsey | 52.36 | 9 | B Min | BB: 47.69 (+4.67s | 8.9%) | Almaden Riptide | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1037 | Daniel Sheng | 52.37 | 9 | B Min | BB: 47.69 (+4.68s | 8.9%) | Coronado Swim -team Elite | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 1038 | Owen Thompson | 52.38 | 9 | B Min | BB: 47.69 (+4.69s | 9.0%) | Mighty Marlins Swim Club | 06/06/2026 | 2026 PN TAC Summer Pentathlon Dist APPROVED | |
| 1039 | Joohwan Kim | 52.39 | 8 | B Min | BB: 47.69 (+4.70s | 9.0%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1040 | Brandon Brooks | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 1041 | Lucas Sussman | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 1042 | Logan Ma | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | East Bay Silver Dolphins | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 1043 | Chinmay Joshi | 52.43 | 9 | B Min | BB: 47.69 (+4.74s | 9.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1044 | John Knudsen | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Puget Sound Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1045 | Timothy Huang | 52.45 | 10 | B Min | BB: 47.69 (+4.76s | 9.1%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 1046 | Zachary Tsang | 52.46 | 10 | B Min | BB: 47.69 (+4.77s | 9.1%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | |
| 1047 | Clayton Du | 52.47 | 9 | B Min | BB: 47.69 (+4.78s | 9.1%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1048 | Levi Jacobs | 52.47 | 8 | B Min | BB: 47.69 (+4.78s | 9.1%) | Hickam Hurricanes | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1049 | Nil Shamshurin | 52.48 | 10 | B Min | BB: 47.69 (+4.79s | 9.1%) | Bure-Aqua Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1050 | Maxwell Ma | 52.53 | 9 | B Min | BB: 47.69 (+4.84s | 9.2%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
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.