Western Zone Zone Boys 10 & under - 50 M 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 | Arthur Cahoy | 1:00.74 | 9 | B Min | BB: 54.39 (+6.35s | 10.5%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 1002 | Smith Larsen | 1:00.75 | 9 | B Min | BB: 54.39 (+6.36s | 10.5%) | Magic Valley Marlins | 07/18/2025 | 2025 LCM Summer Championships | |
| 1003 | Giovanni Bigelow | 1:00.75 | 10 | B Min | BB: 54.39 (+6.36s | 10.5%) | Thunderbird Aquatic Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 1004 | Kian Zhu | 1:00.76 | 9 | B Min | BB: 54.39 (+6.37s | 10.5%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1005 | Gavin Yang | 1:00.79 | 10 | B Min | BB: 54.39 (+6.40s | 10.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1006 | Kai Chen | 1:00.81 | 10 | B Min | BB: 54.39 (+6.42s | 10.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1007 | AJ Estes | 1:00.82 | 9 | B Min | BB: 54.39 (+6.43s | 10.6%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 1008 | Nehemiah Petros | 1:00.83 | 10 | B Min | BB: 54.39 (+6.44s | 10.6%) | Legacy Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 1009 | Nico Hannemann | 1:00.86 | 9 | B Min | BB: 54.39 (+6.47s | 10.6%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 1010 | Raymond Newton | 1:00.89 | 10 | B Min | BB: 54.39 (+6.50s | 10.7%) | Fort Collins Area Swim Team | 06/05/2026 | 2026 CO FAST June Bonanza Open | |
| 1011 | Lucas Liu | 1:00.89 | 9 | B Min | BB: 54.39 (+6.50s | 10.7%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 1012 | Lucas Kong | 1:00.92 | 9 | B: 1:00.89 (+0.03s | 0.0%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1013 | Arlo Martinez | 1:00.93 | 10 | B: 1:00.89 (+0.04s | 0.1%) | Lahaina Swim Club | 04/19/2026 | 2026 MAGSA LCM A1 Meet | ||
| 1014 | Jaydeniano Lopes Montiero | 1:00.94 | 10 | B: 1:00.89 (+0.05s | 0.1%) | Highland Dolphins Aquatic Club | 05/02/2026 | Alto Spring Jam CBA | ||
| 1015 | Henry Moore | 1:00.95 | 10 | B: 1:00.89 (+0.06s | 0.1%) | Ladera Oaks | 05/18/2024 | Alto May Cray Invitational | ||
| 1016 | Brody Puska | 1:00.99 | 9 | B: 1:00.89 (+0.10s | 0.2%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1017 | Leo Sauter | 1:01.01 | 9 | B: 1:00.89 (+0.12s | 0.2%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1018 | Amar Alwattar | 1:01.01 | 10 | B: 1:00.89 (+0.12s | 0.2%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 1019 | Mykhailo Tymoshenko | 1:01.03 | 10 | B: 1:00.89 (+0.14s | 0.2%) | Foothills Swim Team | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | ||
| 1020 | Grayson Julien | 1:01.04 | 10 | B: 1:00.89 (+0.15s | 0.2%) | South Valley Makos | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1021 | Ethan Tse | 1:01.04 | 9 | B: 1:00.89 (+0.15s | 0.2%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1022 | Carter Scofelia | 1:01.05 | 8 | B: 1:00.89 (+0.16s | 0.3%) | Univ. of Denver Hilltoppers | 05/16/2026 | 2026 CO Hilltopper Invite | ||
| 1023 | Malik Basic | 1:01.06 | 9 | B: 1:00.89 (+0.17s | 0.3%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | ||
| 1024 | Mo Chen | 1:01.12 | 9 | B: 1:00.89 (+0.23s | 0.4%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1025 | Thomas Yamamoto | 1:01.17 | 10 | B: 1:00.89 (+0.28s | 0.5%) | Cedar Swim Club | 06/04/2025 | 2025 Utah Summer Games Age Group Long Course | ||
| 1026 | Levi Jacobs | 1:01.18 | 8 | B: 1:00.89 (+0.29s | 0.5%) | Hickam Hurricanes | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | ||
| 1027 | Ivan Hu | 1:01.19 | 8 | B: 1:00.89 (+0.30s | 0.5%) | Otter Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1028 | Timothy Huang | 1:01.19 | 9 | B: 1:00.89 (+0.30s | 0.5%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 1029 | Harrison Tian | 1:01.21 | 9 | B: 1:00.89 (+0.32s | 0.5%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 1030 | Jax Richard | 1:01.21 | 9 | B: 1:00.89 (+0.32s | 0.5%) | Life Time Fitness Utah Swim Te | 04/11/2025 | WFFM LC Kickoff 2025 | ||
| 1031 | Talan Zimmerman | 1:01.25 | 10 | B: 1:00.89 (+0.36s | 0.6%) | Kona Dolphins Swim Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1032 | Jack Sunderland | 1:01.25 | 9 | B: 1:00.89 (+0.36s | 0.6%) | Team Vortex | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | ||
| 1033 | Arjun Niranjan Shetty | 1:01.26 | 8 | B: 1:00.89 (+0.37s | 0.6%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | ||
| 1034 | William Song | 1:01.31 | 8 | B: 1:00.89 (+0.42s | 0.7%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1035 | Noah Dwinell | 1:01.37 | 9 | B: 1:00.89 (+0.48s | 0.8%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 1036 | Dennis Liu | 1:01.38 | 9 | B: 1:00.89 (+0.49s | 0.8%) | Milpitas Aquatic Club | 06/27/2025 | Valley Splash | ||
| 1037 | Ian Jiang | 1:01.41 | 9 | B: 1:00.89 (+0.52s | 0.8%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | ||
| 1038 | Colson Mou | 1:01.44 | 9 | B: 1:00.89 (+0.55s | 0.9%) | South San Francisco Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1039 | Lehai Li | 1:01.45 | 10 | B: 1:00.89 (+0.56s | 0.9%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 1040 | Matthew Huizingh | 1:01.46 | 10 | B: 1:00.89 (+0.57s | 0.9%) | Northern Colorado Swim Club | 06/27/2026 | 2026 CO Greeley Stampede | ||
| 1041 | Logan Shen | 1:01.46 | 10 | B: 1:00.89 (+0.57s | 0.9%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1042 | Moqi Zhu | 1:01.49 | 8 | B: 1:00.89 (+0.60s | 1.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1043 | Levi Roy | 1:01.49 | 7 | B: 1:00.89 (+0.60s | 1.0%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | ||
| 1044 | Leonardo Negritoiu | 1:01.50 | 10 | B: 1:00.89 (+0.61s | 1.0%) | The Olympic Club | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 1045 | Logan Walker | 1:01.50 | 9 | B: 1:00.89 (+0.61s | 1.0%) | Fort Collins Area Swim Team | 06/05/2026 | 2026 CO FAST June Bonanza Open | ||
| 1046 | Theodore Craig | 1:01.51 | 10 | B: 1:00.89 (+0.62s | 1.0%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 1047 | Timur Shafigulin | 1:01.52 | 10 | B: 1:00.89 (+0.63s | 1.0%) | Wave Aquatics | 05/02/2025 | 2025 PN BC May Flowers | ||
| 1048 | Ethan Shiflet | 1:01.55 | 9 | B: 1:00.89 (+0.66s | 1.1%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1049 | Jasper Zhong | 1:01.57 | 8 | B: 1:00.89 (+0.68s | 1.1%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 1050 | Wyatt Comfort | 1:01.59 | 9 | B: 1:00.89 (+0.70s | 1.1%) | Eastmont | 05/29/2026 | 2026 TRI CITY INVITATIONAL | ||
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.