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 | Jerry Ji | 38.98 | 10 | AAA Min | AAAA: 36.99 (+1.99s | 5.1%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 52 | Wyatt Larson | 38.99 | 10 | AAA Min | AAAA: 36.99 (+2.00s | 5.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 53 | Luke Ford | 39.06 | 10 | AA Min | AAA: 38.99 (+0.07s | 0.2%) | The Claremont Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 54 | Jacob Liu | 39.09 | 10 | AA Min | AAA: 38.99 (+0.10s | 0.3%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 55 | Qifan Gong | 39.13 | 9 | AA Min | AAA: 38.99 (+0.14s | 0.4%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 56 | Yixuan Zhu | 39.24 | 10 | AA Min | AAA: 38.99 (+0.25s | 0.6%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 57 | Elliott Lindley | 39.28 | 10 | AA Min | AAA: 38.99 (+0.29s | 0.7%) | Los Altos Mountain View Aquati | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 58 | Jensen Huang | 39.30 | 10 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 59 | Preston Kerchusky | 39.31 | 10 | AA Min | AAA: 38.99 (+0.32s | 0.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 60 | Shaler Berry | 39.38 | 10 | AA Min | AAA: 38.99 (+0.39s | 1.0%) | San Diego Imperial All Star TM | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 61 | Marcus Lin | 39.39 | 9 | AA Min | AAA: 38.99 (+0.40s | 1.0%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 62 | Matthew Winn | 39.48 | 9 | AA Min | AAA: 38.99 (+0.49s | 1.2%) | Stingray Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 63 | Louis Yu | 39.49 | 9 | AA Min | AAA: 38.99 (+0.50s | 1.3%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 64 | Riccardo Sardena | 39.53 | 10 | AA Min | AAA: 38.99 (+0.54s | 1.4%) | Swim Team of Placentia | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 65 | Aleksandr Rybin | 39.54 | 10 | AA Min | AAA: 38.99 (+0.55s | 1.4%) | King Aquatic Club | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 66 | Roddy Yang | 39.69 | 10 | AA Min | AAA: 38.99 (+0.70s | 1.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 67 | Cameron Boitano | 39.70 | 10 | AA Min | AAA: 38.99 (+0.71s | 1.8%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 68 | Orion Blue-Smith | 39.70 | 10 | AA Min | AAA: 38.99 (+0.71s | 1.8%) | Palo Alto Stanford Aquatics | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 69 | Ray Yu | 39.73 | 10 | AA Min | AAA: 38.99 (+0.74s | 1.9%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 70 | Kallen Joyce | 39.84 | 9 | AA Min | AAA: 38.99 (+0.85s | 2.1%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 71 | Graeme Gorsche | 39.96 | 10 | AA Min | AAA: 38.99 (+0.97s | 2.4%) | Los Angeles Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 72 | Arthur Shackelton | 39.97 | 10 | AA Min | AAA: 38.99 (+0.98s | 2.5%) | Lakeridge Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | |
| 73 | Charlie Wheeler | 39.98 | 10 | AA Min | AAA: 38.99 (+0.99s | 2.5%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 74 | Rowan Sargent | 40.04 | 9 | AA Min | AAA: 38.99 (+1.05s | 2.6%) | Flatiron Athletic Club | 06/12/2026 | 2026 CO CSI Long Course Open | |
| 75 | Sylas York | 40.05 | 10 | AA Min | AAA: 38.99 (+1.06s | 2.6%) | San Clemente Aquatic Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 76 | Theodore Neese | 40.15 | 10 | AA Min | AAA: 38.99 (+1.16s | 2.9%) | Bend Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 77 | 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 | |
| 78 | Beckham Sleeth | 40.42 | 9 | AA Min | AAA: 38.99 (+1.43s | 3.5%) | Highlands Ranch Aquatics | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 79 | Andy Wang | 40.44 | 10 | AA Min | AAA: 38.99 (+1.45s | 3.6%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 80 | Asher Mormino | 40.49 | 10 | AA Min | AAA: 38.99 (+1.50s | 3.7%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 81 | Dylan Tian | 40.56 | 9 | AA Min | AAA: 38.99 (+1.57s | 3.9%) | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 82 | Michael Cheng | 40.58 | 9 | AA Min | AAA: 38.99 (+1.59s | 3.9%) | San Dimas Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 83 | Henry Goddard | 40.59 | 10 | AA Min | AAA: 38.99 (+1.60s | 3.9%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 84 | Charlie Chung | 40.60 | 9 | AA Min | AAA: 38.99 (+1.61s | 4.0%) | Trident Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 85 | Jaezyn Magnaye | 40.61 | 10 | AA Min | AAA: 38.99 (+1.62s | 4.0%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 86 | Muyang He | 40.64 | 10 | AA Min | AAA: 38.99 (+1.65s | 4.1%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 87 | Yupeng Wang | 40.65 | 10 | AA Min | AAA: 38.99 (+1.66s | 4.1%) | Monterey Park Manta Rays | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 88 | Thomas Shackleton | 40.66 | 10 | AA Min | AAA: 38.99 (+1.67s | 4.1%) | North Coast Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 89 | Nicholas Brumaru | 40.67 | 10 | AA Min | AAA: 38.99 (+1.68s | 4.1%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 90 | Max Lin | 40.69 | 10 | AA Min | AAA: 38.99 (+1.70s | 4.2%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 91 | Elliott Johnson | 40.69 | 10 | AA Min | AAA: 38.99 (+1.70s | 4.2%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 92 | Bode Mello | 40.71 | 10 | AA Min | AAA: 38.99 (+1.72s | 4.2%) | Excel Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 93 | Terence Wu | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 94 | Logan Snodgrass | 40.77 | 10 | AA Min | AAA: 38.99 (+1.78s | 4.4%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 95 | Zacharia Labyed | 40.82 | 9 | AA Min | AAA: 38.99 (+1.83s | 4.5%) | North Coast Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 96 | Thomas Kyung | 40.85 | 8 | AA Min | AAA: 38.99 (+1.86s | 4.6%) | Maywood Sparks Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 97 | Bryan HU | 40.85 | 10 | AA Min | AAA: 38.99 (+1.86s | 4.6%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 98 | Andres Velazquez | 40.86 | 9 | AA Min | AAA: 38.99 (+1.87s | 4.6%) | Pro Swimming | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 99 | Owen Nguyen | 40.88 | 10 | AA Min | AAA: 38.99 (+1.89s | 4.6%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 100 | Johnathan Wang | 40.88 | 9 | AA Min | AAA: 38.99 (+1.89s | 4.6%) | Alto Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
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.