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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Ethan Qu | 40.02 | 10 | AA Min | AAA: 38.29 (+1.73s | 4.3%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 102 | Jonathan Li | 40.06 | 8 | AA Min | AAA: 38.29 (+1.77s | 4.4%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 103 | Kyle Tang | 40.08 | 8 | AA Min | AAA: 38.29 (+1.79s | 4.5%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 104 | Jack Armbruster | 40.13 | 10 | AA Min | AAA: 38.29 (+1.84s | 4.6%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 105 | Hugo Linowski | 40.17 | 10 | AA Min | AAA: 38.29 (+1.88s | 4.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 106 | Gabriel Zhang | 40.19 | 10 | AA Min | AAA: 38.29 (+1.90s | 4.7%) | Pacific Dragons Swim Team | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 107 | Ahaan Iragavarapu | 40.23 | 10 | A Min | AA: 40.19 (+0.04s | 0.1%) | Pro Swimming | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 108 | Jason Yin | 40.24 | 9 | A Min | AA: 40.19 (+0.05s | 0.1%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 109 | Joshua Vitale | 40.24 | 10 | A Min | AA: 40.19 (+0.05s | 0.1%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 110 | Cayden Lin | 40.27 | 10 | A Min | AA: 40.19 (+0.08s | 0.2%) | Rosemead Rapids | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 111 | Luca Tricano | 40.28 | 10 | A Min | AA: 40.19 (+0.09s | 0.2%) | Golden West Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 112 | Everett Muzzarelli | 40.33 | 8 | A Min | AA: 40.19 (+0.14s | 0.3%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 113 | Ashwin Tiwari | 40.33 | 9 | A Min | AA: 40.19 (+0.14s | 0.3%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 114 | Adrian Tu | 40.34 | 10 | A Min | AA: 40.19 (+0.15s | 0.4%) | Walnut Creek Aquabears | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 115 | Benjamin Shen | 40.36 | 10 | A Min | AA: 40.19 (+0.17s | 0.4%) | Orinda Aquatics | 12/12/2025 | Winter SC Age Group Championships | |
| 116 | Shunsuke Suzuki | 40.38 | 10 | A Min | AA: 40.19 (+0.19s | 0.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 117 | Ryan Chen | 40.40 | 10 | A Min | AA: 40.19 (+0.21s | 0.5%) | DeAnza Cupertino Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 118 | Gilly Luna | 40.40 | 10 | A Min | AA: 40.19 (+0.21s | 0.5%) | Paseo Aquatics Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 119 | Oliver Panofsky | 40.54 | 9 | A Min | AA: 40.19 (+0.35s | 0.9%) | Slo Swim Club Seahawks | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 120 | Matthew Ko | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 121 | Nolan Lu | 40.56 | 10 | A Min | AA: 40.19 (+0.37s | 0.9%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | |
| 122 | Leo Ferrante | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Unattached | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 123 | Axton Santiago | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Pearl City Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 124 | Charles Kramer | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Los Angeles Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 125 | Aydan Li | 40.65 | 10 | A Min | AA: 40.19 (+0.46s | 1.1%) | Hydro Aquatics Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 126 | Samuel Evanovich | 40.65 | 10 | A Min | AA: 40.19 (+0.46s | 1.1%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 127 | Connor Basken | 40.68 | 10 | A Min | AA: 40.19 (+0.49s | 1.2%) | Flying Fish Arizona Swim Team | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 128 | Lucas Jiang | 40.70 | 9 | A Min | AA: 40.19 (+0.51s | 1.3%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 129 | Yuning Huang | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 130 | Owen Newton | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | SwimNation Aquatics Programs | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 131 | Ian Susanto | 40.76 | 9 | A Min | AA: 40.19 (+0.57s | 1.4%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 132 | Kamden Love | 40.77 | 10 | A Min | AA: 40.19 (+0.58s | 1.4%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 133 | Caleb Peykoff | 40.77 | 10 | A Min | AA: 40.19 (+0.58s | 1.4%) | San Clemente Aquatic Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 134 | Jeremy Zhao | 40.84 | 9 | A Min | AA: 40.19 (+0.65s | 1.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 135 | Reid Kelly | 40.88 | 9 | A Min | AA: 40.19 (+0.69s | 1.7%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 136 | Arick Yuan | 40.91 | 10 | A Min | AA: 40.19 (+0.72s | 1.8%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 137 | Luke Xu | 40.91 | 10 | A Min | AA: 40.19 (+0.72s | 1.8%) | Unattached | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 138 | Eliott Jackson | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 139 | Aaron Zhao | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 140 | Kai Thomas | 40.98 | 10 | A Min | AA: 40.19 (+0.79s | 1.9%) | Renegade Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 141 | Conner Lo | 41.02 | 10 | A Min | AA: 40.19 (+0.83s | 2.0%) | DeAnza Cupertino Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 142 | Flynn Chen | 41.03 | 9 | A Min | AA: 40.19 (+0.84s | 2.0%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 143 | Elijah Hutagalung | 41.08 | 10 | A Min | AA: 40.19 (+0.89s | 2.2%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 144 | David Goldenberg | 41.08 | 10 | A Min | AA: 40.19 (+0.89s | 2.2%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 145 | Johann Mancenido | 41.11 | 10 | A Min | AA: 40.19 (+0.92s | 2.2%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 146 | Jaxon Despain | 41.11 | 9 | A Min | AA: 40.19 (+0.92s | 2.2%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 147 | Liam Kwak | 41.14 | 10 | A Min | AA: 40.19 (+0.95s | 2.3%) | Life Time Colorado Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 148 | Hongjie Xiao | 41.19 | 8 | A Min | AA: 40.19 (+1.00s | 2.4%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 149 | Liam Reyes | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 150 | Landon Wang | 41.24 | 10 | A Min | AA: 40.19 (+1.05s | 2.5%) | Seattle Metropolitan Aquatic C | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
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.