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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | Dale Joyce | 52.04 | 10 | B Min | BB: 47.69 (+4.35s | 8.4%) | Puget Sound Swim Club | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1052 | 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 | |
| 1053 | Michael Sohn | 52.05 | 10 | B Min | BB: 47.69 (+4.36s | 8.4%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | |
| 1054 | 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 | |
| 1055 | 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 | |
| 1056 | 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 | |
| 1057 | 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 | |
| 1058 | Lev Gishizky | 52.09 | 10 | B Min | BB: 47.69 (+4.40s | 8.4%) | Waves Aquatics Napa Valley | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 1059 | 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 | |
| 1060 | 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 | |
| 1061 | 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 | |
| 1062 | 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 | |
| 1063 | Donovan Di Loreto | 52.15 | 9 | B Min | BB: 47.69 (+4.46s | 8.6%) | Carson Tigersharks | 06/13/2026 | Bishop Invitational 2026 | |
| 1064 | 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 | |
| 1065 | 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 | |
| 1066 | 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 | |
| 1067 | 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 | |
| 1068 | 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 | |
| 1069 | 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 | |
| 1070 | Oliver Morris | 52.22 | 9 | B Min | BB: 47.69 (+4.53s | 8.7%) | Lake Oswego Swim Club | 11/07/2025 | 2025 McSwimville Invitational | |
| 1071 | 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 | |
| 1072 | 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 | |
| 1073 | 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 | |
| 1074 | 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 | |
| 1075 | 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 | |
| 1076 | 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 | |
| 1077 | 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 | |
| 1078 | Noah Marin | 52.30 | 10 | B Min | BB: 47.69 (+4.61s | 8.8%) | Aptos Cabrillo Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1079 | 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 | |
| 1080 | Reean Shen | 52.31 | 10 | B Min | BB: 47.69 (+4.62s | 8.8%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 1081 | 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 | |
| 1082 | Adam Ellingwood | 52.34 | 10 | B Min | BB: 47.69 (+4.65s | 8.9%) | Orinda Aquatics | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 1083 | Lucas Poupard | 52.35 | 8 | B Min | BB: 47.69 (+4.66s | 8.9%) | McGrath Marlins Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1084 | Thomas Boernke | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | |
| 1085 | Clark Wilson | 52.35 | 10 | B Min | BB: 47.69 (+4.66s | 8.9%) | Unattached | 12/06/2025 | Alto Dec 6 7 CBA | |
| 1086 | 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 | |
| 1087 | 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 | |
| 1088 | 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 | |
| 1089 | 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 | |
| 1090 | 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 | |
| 1091 | Brandon Brooks | 52.41 | 9 | B Min | BB: 47.69 (+4.72s | 9.0%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 1092 | 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 | |
| 1093 | 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 | |
| 1094 | Murphy Oneill Butler | 52.41 | 10 | B Min | BB: 47.69 (+4.72s | 9.0%) | Wind N Sea Swim Team | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1095 | 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 | |
| 1096 | 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 | |
| 1097 | Grant Soder | 52.44 | 10 | B Min | BB: 47.69 (+4.75s | 9.1%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 1098 | Mateo Lopez | 52.45 | 8 | B Min | BB: 47.69 (+4.76s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1099 | Zachary Tsang | 52.46 | 9 | B Min | BB: 47.69 (+4.77s | 9.1%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | |
| 1100 | 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 | |
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.