Western Zone Zone Girls 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Riley Luong | 47.02 | 10 | BB Min | A: 43.59 (+3.43s | 7.3%) | Fog City Hammerheads | 06/12/2026 | BAC Long Course | |
| 452 | Winnie Dinh | 47.03 | 10 | BB Min | A: 43.59 (+3.44s | 7.3%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 453 | Madeline Walseth | 47.04 | 9 | BB Min | A: 43.59 (+3.45s | 7.3%) | Rancho San Dieguito | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 454 | Anaya Nieto | 47.05 | 10 | BB Min | A: 43.59 (+3.46s | 7.4%) | Aces Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 455 | Quinn Esparza | 47.06 | 10 | BB Min | A: 43.59 (+3.47s | 7.4%) | San Francisco Seals Swim Team | 06/12/2026 | Neptune Swimming June LC Meet | |
| 456 | Emma McBride | 47.08 | 10 | BB Min | A: 43.59 (+3.49s | 7.4%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 457 | Bella Wang | 47.08 | 9 | BB Min | A: 43.59 (+3.49s | 7.4%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 458 | Olive Mitchell | 47.09 | 10 | BB Min | A: 43.59 (+3.50s | 7.4%) | Newport Swim Team | 11/14/2025 | Pumpkin Sprint Meet 2025 | |
| 459 | Amelia Horng | 47.09 | 10 | BB Min | A: 43.59 (+3.50s | 7.4%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 460 | Piper Sheehan | 47.10 | 10 | BB Min | A: 43.59 (+3.51s | 7.5%) | Deadwood/Lead 76ers | 07/18/2025 | 2025 SD State Long Course Meet | |
| 461 | Aaira Jain | 47.11 | 9 | BB Min | A: 43.59 (+3.52s | 7.5%) | Hillsboro Swim Team | 06/12/2026 | 2026 THSC June Open | |
| 462 | Elle Schmidt | 47.11 | 9 | BB Min | A: 43.59 (+3.52s | 7.5%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 463 | Rosalie Park | 47.13 | 9 | BB Min | A: 43.59 (+3.54s | 7.5%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 464 | Madeline Schmidt | 47.17 | 10 | BB Min | A: 43.59 (+3.58s | 7.6%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 465 | Harper Ourthiague | 47.19 | 10 | BB Min | A: 43.59 (+3.60s | 7.6%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 466 | Yishan Zhang | 47.19 | 10 | BB Min | A: 43.59 (+3.60s | 7.6%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 467 | Indie Platt | 47.21 | 10 | BB Min | A: 43.59 (+3.62s | 7.7%) | Cedar Swim Club | 07/17/2025 | 2025 UTAGS LC Championships | |
| 468 | Lily Sun | 47.21 | 9 | BB Min | A: 43.59 (+3.62s | 7.7%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 469 | Alice Green | 47.23 | 9 | BB Min | A: 43.59 (+3.64s | 7.7%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 470 | Karissa Boylan | 47.26 | 9 | BB Min | A: 43.59 (+3.67s | 7.8%) | Castle Rock Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 471 | Evie Kwok | 47.29 | 10 | BB Min | A: 43.59 (+3.70s | 7.8%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 472 | Yuna Chiang | 47.30 | 8 | BB Min | A: 43.59 (+3.71s | 7.8%) | Irvine Novaquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 473 | Mingyu Chen | 47.30 | 9 | BB Min | A: 43.59 (+3.71s | 7.8%) | Coronado Swim -team Elite | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 474 | Audrey Garcia | 47.31 | 9 | BB Min | A: 43.59 (+3.72s | 7.9%) | West Coast Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 475 | Yunqiao Tang | 47.32 | 9 | BB Min | A: 43.59 (+3.73s | 7.9%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 476 | Elisa Wang | 47.32 | 9 | BB Min | A: 43.59 (+3.73s | 7.9%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 477 | Elaine Hu | 47.34 | 9 | BB Min | A: 43.59 (+3.75s | 7.9%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 478 | Annabelle Gerber | 47.35 | 10 | BB Min | A: 43.59 (+3.76s | 7.9%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 479 | Emma Guo | 47.36 | 9 | BB Min | A: 43.59 (+3.77s | 8.0%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 480 | Raya Hari | 47.36 | 10 | BB Min | A: 43.59 (+3.77s | 8.0%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 481 | Paige Curtis | 47.37 | 10 | B: 44.79 (+2.58s | 5.4%) | Coeur D\\\\\\'alene Area Swim Team | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 482 | Isabel Stoddard | 47.39 | 10 | BB Min | A: 43.59 (+3.80s | 8.0%) | Cottonwood Heights Aquatics | 04/18/2025 | 2025 UVrays TriMeet CHAT SLC Legends | |
| 483 | Brooklyn Hagert | 47.42 | 10 | BB Min | A: 43.59 (+3.83s | 8.1%) | North Coast Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 484 | Ella Sun | 47.42 | 8 | BB Min | A: 43.59 (+3.83s | 8.1%) | Beaverton Area Aquatics Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 485 | Malia Pavloff | 47.44 | 10 | BB Min | A: 43.59 (+3.85s | 8.1%) | Daly City Dolphins | 07/25/2026 | Alto Last Splash | |
| 486 | Emery Patterson | 47.52 | 10 | BB Min | A: 43.59 (+3.93s | 8.3%) | Beaverton Area Aquatics Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 487 | Zoe Jarc | 47.53 | 10 | BB Min | A: 43.59 (+3.94s | 8.3%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 488 | Sofia Yu | 47.58 | 9 | BB Min | A: 43.59 (+3.99s | 8.4%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 489 | Grace Baker | 47.61 | 9 | BB Min | A: 43.59 (+4.02s | 8.4%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 490 | Sienna Reckhow | 47.62 | 10 | BB Min | A: 43.59 (+4.03s | 8.5%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 491 | Olivia Chen | 47.63 | 9 | BB Min | A: 43.59 (+4.04s | 8.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 492 | Vera Asadamongkol | 47.66 | 10 | BB Min | A: 43.59 (+4.07s | 8.5%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 493 | Gabriella Flores | 47.70 | 10 | BB Min | A: 43.59 (+4.11s | 8.6%) | South Bay Aquatics | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 494 | Lucia Tang | 47.71 | 10 | BB Min | A: 43.59 (+4.12s | 8.6%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 495 | Francesca Mastrorocco | 47.74 | 9 | BB Min | A: 43.59 (+4.15s | 8.7%) | Swim Lake City Legends | 06/06/2025 | Speed Lake City 2025 | |
| 496 | Jane Cheng | 47.75 | 10 | BB Min | A: 43.59 (+4.16s | 8.7%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 497 | Reese Aguayo | 47.76 | 9 | BB Min | A: 43.59 (+4.17s | 8.7%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 498 | Ruiqi Hu | 47.77 | 10 | BB Min | A: 43.59 (+4.18s | 8.8%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 499 | Penelope Arias | 47.77 | 9 | BB Min | A: 43.59 (+4.18s | 8.8%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 500 | Kristina Velichko | 47.79 | 9 | BB Min | A: 43.59 (+4.20s | 8.8%) | Seattle Metropolitan Aquatic C | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
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.