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 | Tatsumasa Sekine | 34.32 | 9 | AA Min | AAA: 32.99 (+1.33s | 3.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 102 | Nhat Tran | 34.32 | 10 | AA Min | AAA: 32.99 (+1.33s | 3.9%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 103 | Joon Cha | 34.33 | 10 | AA Min | AAA: 32.99 (+1.34s | 3.9%) | Sunnyvale Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 104 | Elijah Dailey | 34.39 | 10 | AA Min | AAA: 32.99 (+1.40s | 4.1%) | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | ||
| 105 | Cole Proescher | 34.41 | 10 | A Min | AA: 34.39 (+0.02s | 0.1%) | Orinda Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 106 | Luke Ford | 34.43 | 10 | A Min | AA: 34.39 (+0.04s | 0.1%) | The Claremont Club | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 107 | Sylas York | 34.45 | 10 | A Min | AA: 34.39 (+0.06s | 0.2%) | San Clemente Aquatic Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 108 | Luka McGrath | 34.46 | 10 | A Min | AA: 34.39 (+0.07s | 0.2%) | Multnomah Athletic Club | 07/04/2026 | Pendleton Open 2026 | |
| 109 | Jayden Liu | 34.46 | 10 | A Min | AA: 34.39 (+0.07s | 0.2%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 110 | Zacharia Labyed | 34.48 | 9 | A Min | AA: 34.39 (+0.09s | 0.3%) | North Coast Aquatics | 06/19/2026 | 2026 SI Splash And Dash | |
| 111 | Aiden Mulcahy | 34.49 | 10 | A Min | AA: 34.39 (+0.10s | 0.3%) | Aulea Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 112 | Nathan Zhong | 34.51 | 9 | A Min | AA: 34.39 (+0.12s | 0.3%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 113 | Matvey Fadeev | 34.52 | 10 | A Min | AA: 34.39 (+0.13s | 0.4%) | Issaquah Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 114 | Chayton Zhou | 34.52 | 9 | A Min | AA: 34.39 (+0.13s | 0.4%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 115 | Alexander Warren Moy | 34.55 | 10 | A Min | AA: 34.39 (+0.16s | 0.5%) | Palo Alto Stanford Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 116 | Riccardo Sardena | 34.57 | 10 | A Min | AA: 34.39 (+0.18s | 0.5%) | Swim Team of Placentia | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 117 | Brendon Kim | 34.58 | 10 | A Min | AA: 34.39 (+0.19s | 0.5%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 118 | Yuning Huang | 34.66 | 10 | A Min | AA: 34.39 (+0.27s | 0.8%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 119 | Austin Mitchell | 34.68 | 10 | A Min | AA: 34.39 (+0.29s | 0.8%) | Valley Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 120 | Alfie Mobbs | 34.69 | 10 | A Min | AA: 34.39 (+0.30s | 0.9%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 121 | Caleb Stone | 34.70 | 10 | A Min | AA: 34.39 (+0.31s | 0.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 122 | Matthew Ko | 34.71 | 10 | A Min | AA: 34.39 (+0.32s | 0.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 123 | Silvio Leal | 34.73 | 10 | A Min | AA: 34.39 (+0.34s | 1.0%) | Maui Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 124 | William Jeffery | 34.75 | 9 | A Min | AA: 34.39 (+0.36s | 1.0%) | Los Angeles Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 125 | Asher Young | 34.80 | 10 | A Min | AA: 34.39 (+0.41s | 1.2%) | Terrapins Swim Team | 07/11/2025 | 2025 Age Group Championships | |
| 126 | Marcus Lin | 34.80 | 9 | A Min | AA: 34.39 (+0.41s | 1.2%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 127 | Ilan Rattner | 34.81 | 10 | A Min | AA: 34.39 (+0.42s | 1.2%) | Sunnyvale Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 128 | Jed El Abed | 34.90 | 10 | A Min | AA: 34.39 (+0.51s | 1.5%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 129 | Zakhar Breslavskyi | 34.91 | 10 | A Min | AA: 34.39 (+0.52s | 1.5%) | Boise YMCA Swim Team | 07/04/2026 | Pendleton Open 2026 | |
| 130 | Bryan HU | 34.93 | 10 | A Min | AA: 34.39 (+0.54s | 1.5%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 131 | Liam Reyes | 34.97 | 10 | A Min | AA: 34.39 (+0.58s | 1.7%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 132 | Ludwik Pawelski | 34.97 | 9 | A Min | AA: 34.39 (+0.58s | 1.7%) | Sparks Piranhas Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 133 | Archer Odom | 34.98 | 7 | A Min | AA: 34.39 (+0.59s | 1.7%) | Greenwood Tiger Sharks | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 134 | Logan Fischer | 35.00 | 10 | A Min | AA: 34.39 (+0.61s | 1.7%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 135 | Hunter Wilson | 35.01 | 10 | A Min | AA: 34.39 (+0.62s | 1.8%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 136 | George Gray | 35.02 | 10 | A Min | AA: 34.39 (+0.63s | 1.8%) | Portland Aquatic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 137 | Luke Wang | 35.03 | 10 | A Min | AA: 34.39 (+0.64s | 1.8%) | Sierra Marlins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 138 | Locke Kane | 35.09 | 10 | A Min | AA: 34.39 (+0.70s | 2.0%) | Lahaina Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 139 | Michael Cheng | 35.10 | 9 | A Min | AA: 34.39 (+0.71s | 2.0%) | San Dimas Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 140 | Kaimana Hashimoto | 35.10 | 10 | A Min | AA: 34.39 (+0.71s | 2.0%) | Splash Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 141 | Mason Sovich | 35.10 | 10 | A Min | AA: 34.39 (+0.71s | 2.0%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 142 | Cannon Brown | 35.11 | 10 | A Min | AA: 34.39 (+0.72s | 2.1%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 143 | Nicholas Brumaru | 35.16 | 10 | A Min | AA: 34.39 (+0.77s | 2.2%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 144 | Jonathan Li | 35.21 | 8 | A Min | AA: 34.39 (+0.82s | 2.3%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 145 | Jeffrey Moon | 35.21 | 10 | A Min | AA: 34.39 (+0.82s | 2.3%) | Commerce Aquatics Swim Team | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 146 | Calvin Chase | 35.23 | 8 | A Min | AA: 34.39 (+0.84s | 2.4%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB Time Trials | |
| 147 | Mateo Franco-Abeyta | 35.24 | 10 | A Min | AA: 34.39 (+0.85s | 2.4%) | Star | 06/05/2026 | 2026 COSA Long Couse Open | |
| 148 | Parker Bettis | 35.26 | 10 | A Min | AA: 34.39 (+0.87s | 2.5%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 149 | Alejandro Gonzalez | 35.27 | 10 | A Min | AA: 34.39 (+0.88s | 2.5%) | Los Angeles Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 150 | Chase Witt | 35.28 | 10 | A Min | AA: 34.39 (+0.89s | 2.5%) | Gold\\\\\\'s Aquatics Club (Camas) | 08/01/2026 | 2026 GACC End Of Season | |
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.