Western Zone Zone Boys 10 & under - 50 M Free
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 | Jozua Sugianto | 35.41 | 10 | A Min | AA: 34.39 (+1.02s | 2.9%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 102 | Christopher Navarro | 35.44 | 10 | A Min | AA: 34.39 (+1.05s | 3.0%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 103 | Wesley Ho | 35.44 | 10 | A Min | AA: 34.39 (+1.05s | 3.0%) | Aspire Aquatics of Colorado | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 104 | Ozzy Su | 35.45 | 10 | A Min | AA: 34.39 (+1.06s | 3.0%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 105 | Ashwin Tiwari | 35.46 | 9 | A Min | AA: 34.39 (+1.07s | 3.0%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 106 | Hongjie Xiao | 35.46 | 8 | A Min | AA: 34.39 (+1.07s | 3.0%) | Irvine Novaquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 107 | Ian Jo | 35.47 | 10 | A Min | AA: 34.39 (+1.08s | 3.0%) | Irvine Novaquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 108 | Preston Tran | 35.51 | 10 | A Min | AA: 34.39 (+1.12s | 3.2%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 109 | Duke Layco | 35.53 | 10 | A Min | AA: 34.39 (+1.14s | 3.2%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 110 | Aiden Chung | 35.65 | 10 | A Min | AA: 34.39 (+1.26s | 3.5%) | Patriot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 111 | Leon Escarcega Hernandez | 35.66 | 10 | A Min | AA: 34.39 (+1.27s | 3.6%) | Halcones Marinos Capn | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 112 | Mason Sovich | 35.69 | 9 | A Min | AA: 34.39 (+1.30s | 3.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 113 | Declan Wang | 35.70 | 10 | BB Min | A: 35.69 (+0.01s | 0.0%) | Fast Swim Team | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 114 | Lucas Pan | 35.71 | 9 | BB Min | A: 35.69 (+0.02s | 0.1%) | Santa Clara Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 115 | Parker Sampson | 35.74 | 10 | BB Min | A: 35.69 (+0.05s | 0.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 116 | Nhat Tran | 35.77 | 9 | BB Min | A: 35.69 (+0.08s | 0.2%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 117 | Adam Ma | 35.79 | 10 | BB Min | A: 35.69 (+0.10s | 0.3%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 118 | Samuel Fuller | 35.84 | 10 | BB Min | A: 35.69 (+0.15s | 0.4%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 119 | Abraham Cheng | 35.84 | 10 | BB Min | A: 35.69 (+0.15s | 0.4%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 120 | Alexander Mekjian | 35.86 | 10 | BB Min | A: 35.69 (+0.17s | 0.5%) | North Coast Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 121 | Adelynn Spurlin | 35.89 | 10 | BB Min | A: 35.69 (+0.20s | 0.6%) | North Jeffco Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 122 | Andrei Sanchez | 35.89 | 10 | BB Min | A: 35.69 (+0.20s | 0.6%) | Island Aquatics | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 123 | Beckham Sleeth | 35.91 | 9 | BB Min | A: 35.69 (+0.22s | 0.6%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 124 | Kian Sotomayor | 35.96 | 10 | BB Min | A: 35.69 (+0.27s | 0.8%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 125 | Mahkoah Tanap | 36.00 | 10 | BB Min | A: 35.69 (+0.31s | 0.9%) | Paseo Aquatics Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 126 | Brody Sandvig | 36.02 | 10 | BB Min | A: 35.69 (+0.33s | 0.9%) | Golden West Swim Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 127 | Jaxon Despain | 36.13 | 9 | BB Min | A: 35.69 (+0.44s | 1.2%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 128 | Liam Kwak | 36.14 | 10 | BB Min | A: 35.69 (+0.45s | 1.2%) | Life Time Colorado Swim Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 129 | Jasper Timmons | 36.14 | 10 | BB Min | A: 35.69 (+0.45s | 1.2%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 130 | Alexander Warren Moy | 36.14 | 10 | BB Min | A: 35.69 (+0.45s | 1.2%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 131 | Elijah Hutagalung | 36.15 | 10 | BB Min | A: 35.69 (+0.46s | 1.3%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 132 | Porter Pitti | 36.20 | 9 | BB Min | A: 35.69 (+0.51s | 1.4%) | Olympus Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 133 | Lichen Chi | 36.20 | 9 | BB Min | A: 35.69 (+0.51s | 1.4%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 134 | Mikhail Pratt | 36.21 | 9 | BB Min | A: 35.69 (+0.52s | 1.4%) | Alpha Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 135 | Yihong Xiang | 36.21 | 10 | BB Min | A: 35.69 (+0.52s | 1.4%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 136 | Guo-shiun Gau | 36.22 | 10 | BB Min | A: 35.69 (+0.53s | 1.5%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 137 | Raizo Copp | 36.23 | 10 | BB Min | A: 35.69 (+0.54s | 1.5%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 138 | Logan Thatcher | 36.24 | 10 | BB Min | A: 35.69 (+0.55s | 1.5%) | Beach Cities Swimming | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 139 | Henry Goddard | 36.24 | 10 | BB Min | A: 35.69 (+0.55s | 1.5%) | Cascadia Swimming | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 140 | Dylan sun | 36.28 | 10 | BB Min | A: 35.69 (+0.59s | 1.6%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 141 | Aidan Woods | 36.29 | 10 | B Min | BB: 34.79 (+1.50s | 4.1%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | |
| 142 | Luther Kim | 36.29 | 10 | BB Min | A: 35.69 (+0.60s | 1.7%) | Sea to Desert Swim Association | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 143 | Isaac Zepeda | 36.34 | 10 | BB Min | A: 35.69 (+0.65s | 1.8%) | South Gate Aquatics Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 144 | Daniel Kalinovski | 36.36 | 10 | BB Min | A: 35.69 (+0.67s | 1.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 145 | Kyle Kang | 36.36 | 10 | BB Min | A: 35.69 (+0.67s | 1.8%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 146 | Eliott Jackson | 36.38 | 10 | BB Min | A: 35.69 (+0.69s | 1.9%) | Team Eugene Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 147 | Nikoloz Zhorzholiani | 36.40 | 9 | BB Min | A: 35.69 (+0.71s | 2.0%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 148 | Preston Kerchusky | 36.42 | 10 | BB Min | A: 35.69 (+0.73s | 2.0%) | Boise YMCA Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 149 | Mark Kiselev | 36.43 | 9 | BB Min | A: 35.69 (+0.74s | 2.0%) | Royal Swim Team | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 150 | Aiden Mulcahy | 36.45 | 10 | BB Min | A: 35.69 (+0.76s | 2.1%) | Aulea Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
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.