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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Teo Dickens | 49.16 | 9 | BB Min | A: 43.09 (+6.07s | 12.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 502 | Aaryan Indurkhya | 49.23 | 9 | BB Min | A: 43.09 (+6.14s | 12.5%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 503 | Jose Perez | 49.24 | 10 | BB Min | A: 43.09 (+6.15s | 12.5%) | Lincoln City Swim Club | 03/07/2026 | Valley Coast Swim League 2026 | |
| 504 | Bruce Chou | 49.25 | 10 | BB Min | A: 43.09 (+6.16s | 12.5%) | Jbarracudas Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 505 | Kawika Cox | 49.25 | 10 | BB Min | A: 43.09 (+6.16s | 12.5%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 506 | Liam Adrian | 49.25 | 9 | BB Min | A: 43.09 (+6.16s | 12.5%) | Multnomah Athletic Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 507 | Emmett Curry | 49.26 | 10 | BB Min | A: 43.09 (+6.17s | 12.5%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 508 | Atharv Choubey | 49.26 | 9 | BB Min | A: 43.09 (+6.17s | 12.5%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 509 | Thomas Cooke | 49.27 | 9 | BB Min | A: 43.09 (+6.18s | 12.5%) | Aptos Cabrillo Swim Club | 06/27/2025 | Valley Splash | |
| 510 | John Asher | 49.28 | 10 | BB Min | A: 43.09 (+6.19s | 12.6%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 511 | Sutton Hopelain | 49.30 | 10 | B Min | BB: 49.29 (+0.01s | 0.0%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 512 | Zhencheng Xu | 49.35 | 10 | B Min | BB: 49.29 (+0.06s | 0.1%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 513 | Charlie Wang | 49.39 | 9 | B Min | BB: 49.29 (+0.10s | 0.2%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 514 | Brock Hawrylak | 49.44 | 10 | B Min | BB: 49.29 (+0.15s | 0.3%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 515 | Luke Cheng | 49.45 | 10 | B Min | BB: 49.29 (+0.16s | 0.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 516 | Milo Gordon | 49.45 | 8 | B Min | BB: 49.29 (+0.16s | 0.3%) | Flatiron Athletic Club | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 517 | Isaac Engelbart | 49.49 | 10 | B Min | BB: 49.29 (+0.20s | 0.4%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 518 | Gavin Lowe | 49.49 | 5 | B Min | BB: 49.29 (+0.20s | 0.4%) | Tri Valley Aquatics | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 519 | Marcus Wang | 49.50 | 10 | B Min | BB: 49.29 (+0.21s | 0.4%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 520 | Brendan Gao | 49.50 | 10 | B Min | BB: 49.29 (+0.21s | 0.4%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 521 | Zachary DeLozier | 49.52 | 9 | B Min | BB: 49.29 (+0.23s | 0.5%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 522 | Isaiah Fadillah | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 523 | John Griswold | 49.56 | 10 | B Min | BB: 49.29 (+0.27s | 0.5%) | Alameda Gators | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 524 | Luke Atanasov | 49.57 | 8 | B Min | BB: 49.29 (+0.28s | 0.6%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 525 | Luke Xu | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 526 | Cosmo McGrath | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 527 | Leo Ioffe | 49.58 | 9 | B Min | BB: 49.29 (+0.29s | 0.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 528 | Jaden Feng | 49.60 | 7 | B Min | BB: 49.29 (+0.31s | 0.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 529 | Carter Trauth | 49.61 | 9 | B Min | BB: 49.29 (+0.32s | 0.6%) | SlipStream Aquatics | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 530 | Mason Park | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 531 | Knox Monsivais | 49.65 | 10 | B Min | BB: 49.29 (+0.36s | 0.7%) | Lehi Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 532 | Hunter Atkins | 49.66 | 10 | B Min | BB: 49.29 (+0.37s | 0.7%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 533 | Carter Schwenk | 49.66 | 10 | B Min | BB: 49.29 (+0.37s | 0.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 534 | Eli Bywater | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | South Davis Aquatics Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 535 | Nathanael Richards | 49.70 | 9 | B Min | BB: 49.29 (+0.41s | 0.8%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 536 | Lance Coyne | 49.76 | 9 | B Min | BB: 49.29 (+0.47s | 0.9%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 537 | Andrew Chen | 49.78 | 7 | B Min | BB: 49.29 (+0.49s | 1.0%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 538 | Jay Chao | 49.78 | 10 | B Min | BB: 49.29 (+0.49s | 1.0%) | Pleasanton Seahawks | 05/02/2026 | Alto Spring Jam CBA | |
| 539 | Gage Sena | 49.80 | 10 | B Min | BB: 49.29 (+0.51s | 1.0%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 540 | Ezz Abdelhadi | 49.81 | 10 | B Min | BB: 49.29 (+0.52s | 1.0%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 541 | Royce Reed | 49.81 | 8 | B Min | BB: 49.29 (+0.52s | 1.0%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 542 | Simon Stapley | 49.85 | 10 | B Min | BB: 49.29 (+0.56s | 1.1%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 543 | Caleb Tos | 49.87 | 10 | B Min | BB: 49.29 (+0.58s | 1.2%) | Tule Nation Tritons | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 544 | Max Peterson | 49.88 | 10 | B Min | BB: 49.29 (+0.59s | 1.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 545 | Austin Brower | 49.89 | 8 | B Min | BB: 49.29 (+0.60s | 1.2%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 546 | Marek Martini | 49.91 | 9 | B Min | BB: 49.29 (+0.62s | 1.2%) | Blue Dragons Swim Team | 05/01/2026 | 2026 AAA May LC Invitational | |
| 547 | Edward Uvejzovic | 49.94 | 10 | B Min | BB: 49.29 (+0.65s | 1.3%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 548 | Daniel Choi | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | |
| 549 | Dashel Archer | 49.94 | 10 | B Min | BB: 49.29 (+0.65s | 1.3%) | Evergreen Hurricanes | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 550 | Hayden Wang | 49.97 | 9 | B Min | BB: 49.29 (+0.68s | 1.4%) | McGrath Marlins Swim Team | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
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.