Western Zone Zone Boys 10 & under - 50 M Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Allen Chen | 40.18 | 10 | AA Min | AAA: 38.99 (+1.19s | 3.0%) | Seattle Metropolitan Aquatic C | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 52 | Eliott Jackson | 40.22 | 10 | AA Min | AAA: 38.99 (+1.23s | 3.1%) | Team Eugene Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 53 | Javier Cabral | 40.23 | 10 | AA Min | AAA: 38.99 (+1.24s | 3.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 54 | Qifan Gong | 40.34 | 9 | AA Min | AAA: 38.99 (+1.35s | 3.3%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 55 | William Wang | 40.47 | 10 | AA Min | AAA: 38.99 (+1.48s | 3.7%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 56 | Declan Benton | 40.52 | 10 | AA Min | AAA: 38.99 (+1.53s | 3.8%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 57 | Mason Ryu | 40.71 | 10 | AA Min | AAA: 38.99 (+1.72s | 4.2%) | Klg Sports Swim Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 58 | Jaden Shin | 40.73 | 10 | AA Min | AAA: 38.99 (+1.74s | 4.3%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 59 | Lucas Pan | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 60 | Nicholas Liu | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 61 | Castle Cline | 40.77 | 10 | AA Min | AAA: 38.99 (+1.78s | 4.4%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 62 | Andy Tran | 40.89 | 10 | AA Min | AAA: 38.99 (+1.90s | 4.6%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 63 | Clayton Chester | 40.91 | 10 | AA Min | AAA: 38.99 (+1.92s | 4.7%) | Heartland Swim Assoc | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 64 | Wesley Ho | 40.94 | 10 | AA Min | AAA: 38.99 (+1.95s | 4.8%) | Aspire Aquatics of Colorado | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 65 | Preston Tran | 40.99 | 10 | AA Min | AAA: 38.99 (+2.00s | 4.9%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 66 | Benjamin Du | 41.05 | 10 | AA Min | AAA: 38.99 (+2.06s | 5.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 67 | Tyler Zhang | 41.09 | 10 | AA Min | AAA: 38.99 (+2.10s | 5.1%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 68 | Jack Armbruster | 41.12 | 10 | A Min | AA: 41.09 (+0.03s | 0.1%) | San Clemente Aquatic Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 69 | Samuel Fuller | 41.13 | 10 | A Min | AA: 41.09 (+0.04s | 0.1%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 70 | Elliott Lindley | 41.23 | 9 | A Min | AA: 41.09 (+0.14s | 0.3%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | |
| 71 | Asher Mormino | 41.26 | 10 | A Min | AA: 41.09 (+0.17s | 0.4%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 72 | Shaler Berry | 41.27 | 10 | A Min | AA: 41.09 (+0.18s | 0.4%) | Heartland Swim Assoc | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 73 | Matthew Winn | 41.34 | 9 | A Min | AA: 41.09 (+0.25s | 0.6%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 74 | Jozua Sugianto | 41.43 | 10 | A Min | AA: 41.09 (+0.34s | 0.8%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 75 | Jacob Liu | 41.50 | 10 | A Min | AA: 41.09 (+0.41s | 1.0%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 76 | Alex Joy | 41.51 | 10 | A Min | AA: 41.09 (+0.42s | 1.0%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | |
| 77 | Dongxin Xian | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 78 | Kai Hawkes | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Multnomah Athletic Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 79 | Angel Garcia III | 41.59 | 10 | A Min | AA: 41.09 (+0.50s | 1.2%) | Golden West Swim Club | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 80 | Winston Chase | 41.69 | 10 | A Min | AA: 41.09 (+0.60s | 1.4%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 81 | Beckham Sleeth | 41.70 | 9 | A Min | AA: 41.09 (+0.61s | 1.5%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 82 | Jaezyn Magnaye | 41.71 | 10 | A Min | AA: 41.09 (+0.62s | 1.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 83 | Stryker Fonseca | 41.73 | 10 | A Min | AA: 41.09 (+0.64s | 1.5%) | Barracuda Aquatic Club | 07/17/2025 | 2025 UTAGS LC Championships | |
| 84 | Haoran Cong | 41.73 | 10 | A Min | AA: 41.09 (+0.64s | 1.5%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 85 | Luke Ford | 41.75 | 9 | A Min | AA: 41.09 (+0.66s | 1.6%) | The Claremont Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 86 | Toby Wong | 41.78 | 11 | A Min | AA: 41.09 (+0.69s | 1.7%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 87 | Uriah Sanchez | 41.82 | 10 | A Min | AA: 41.09 (+0.73s | 1.7%) | Rocky Mountain Rapids | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 88 | Blake Bardenhagen | 41.84 | 10 | A Min | AA: 41.09 (+0.75s | 1.8%) | Island Aquatics | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 89 | Liam Kwok | 41.85 | 10 | A Min | AA: 41.09 (+0.76s | 1.8%) | Socal Aquatics Association | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 90 | Vaughn Jacob | 41.85 | 10 | A Min | AA: 41.09 (+0.76s | 1.8%) | The Dolphins Portland Swimming | 05/01/2026 | 2026 AAA May LC Invitational | |
| 91 | Mason Nguyen | 42.00 | 10 | A Min | AA: 41.09 (+0.91s | 2.2%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 92 | Caleb Stone | 42.03 | 10 | A Min | AA: 41.09 (+0.94s | 2.2%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 93 | Jayden Cheng | 42.09 | 10 | A Min | AA: 41.09 (+1.00s | 2.4%) | Brea Aquatics | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 94 | Cannon Brown | 42.10 | 10 | A Min | AA: 41.09 (+1.01s | 2.4%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 95 | Tucker McCullough | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Team Rebel Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 96 | Jack Yu | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 97 | Theodore Neese | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 98 | Duke Layco | 42.18 | 10 | A Min | AA: 41.09 (+1.09s | 2.6%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 99 | Ozzy Su | 42.30 | 10 | A Min | AA: 41.09 (+1.21s | 2.9%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 100 | Travis Ward | 42.38 | 11 | A Min | AA: 41.09 (+1.29s | 3.0%) | Wolverine Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
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.