Western Zone Zone Girls 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Edith Cass | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Lake Oswego Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 352 | Tess Jackman | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 353 | Felicity Van der Staay | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 354 | Sylvia Li | 45.17 | 10 | BB Min | A: 42.79 (+2.38s | 5.3%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 355 | Harper Ramos | 45.19 | 10 | BB Min | A: 42.79 (+2.40s | 5.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 356 | Vera Asadamongkol | 45.19 | 10 | BB Min | A: 42.79 (+2.40s | 5.3%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 357 | Louise Centino | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Rio Salado Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 358 | Hannah Anderson | 45.21 | 10 | BB Min | A: 42.79 (+2.42s | 5.4%) | Maverick Aquatics | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 359 | Kiko Kurata | 45.25 | 10 | BB Min | A: 42.79 (+2.46s | 5.4%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 360 | Olivia Du | 45.25 | 9 | BB Min | A: 42.79 (+2.46s | 5.4%) | West Coast Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 361 | Phoebe Chia | 45.30 | 10 | BB Min | A: 42.79 (+2.51s | 5.5%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 362 | Raegan Berry | 45.31 | 10 | BB Min | A: 42.79 (+2.52s | 5.6%) | Flatiron Athletic Club | 03/13/2026 | Mile High Championship Invitational | |
| 363 | Aviva Behm | 45.33 | 10 | BB Min | A: 42.79 (+2.54s | 5.6%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 364 | Jaclyn Dixon | 45.34 | 10 | BB Min | A: 42.79 (+2.55s | 5.6%) | Unattached | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 365 | Rihanna Chopra | 45.35 | 10 | BB Min | A: 42.79 (+2.56s | 5.6%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 366 | Alana Duffy | 45.35 | 10 | BB Min | A: 42.79 (+2.56s | 5.6%) | Punahou Aquatics Institute | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 367 | Alice Redd | 45.36 | 10 | BB Min | A: 42.79 (+2.57s | 5.7%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 368 | Lilliana Cox | 45.36 | 10 | BB Min | A: 42.79 (+2.57s | 5.7%) | Swim Kauai Aquatics | 06/13/2026 | SKA Home Meet 61326 | |
| 369 | Malia Pavloff | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Daly City Dolphins | 01/24/2026 | 2026 Zone 1 North Championships | |
| 370 | Ellie Zhao | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 371 | Lacy Duval | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Legacy Aquatics | 01/30/2026 | 2026 NE GS Silver Championships | |
| 372 | Annabelle Zee | 45.42 | 9 | BB Min | A: 42.79 (+2.63s | 5.8%) | Burlingame Aquatics | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 373 | Sailor Li | 45.43 | 8 | BB Min | A: 42.79 (+2.64s | 5.8%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 374 | Quail Serra | 45.44 | 10 | BB Min | A: 42.79 (+2.65s | 5.8%) | Sebastopol Sea Serpents | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 375 | Adeline Ko | 45.44 | 10 | BB Min | A: 42.79 (+2.65s | 5.8%) | Pleasanton Seahawks | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 376 | Piper Brown | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 377 | Ava Sysum | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 378 | Harlow Herman | 45.47 | 10 | BB Min | A: 42.79 (+2.68s | 5.9%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 379 | Myra Singh | 45.47 | 10 | BB Min | A: 42.79 (+2.68s | 5.9%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 380 | McKenzie Phillips | 45.48 | 9 | BB Min | A: 42.79 (+2.69s | 5.9%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 381 | Tiffany Xiao | 45.48 | 9 | BB Min | A: 42.79 (+2.69s | 5.9%) | Orinda Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 382 | Mawdsley-Mae Vincent | 45.50 | 10 | BB Min | A: 42.79 (+2.71s | 6.0%) | Warrior Aquatic Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 383 | Vivian Kalogrides | 45.50 | 9 | BB Min | A: 42.79 (+2.71s | 6.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 384 | Summer Brockman | 45.50 | 10 | BB Min | A: 42.79 (+2.71s | 6.0%) | Bellingham Bay Swim Team | 05/09/2026 | 2026 PN BBST Take A Chance Invite Approved | |
| 385 | Cecilia Lin | 45.52 | 9 | BB Min | A: 42.79 (+2.73s | 6.0%) | Excel Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 386 | Jane Kelly | 45.54 | 10 | BB Min | A: 42.79 (+2.75s | 6.0%) | Cali Piranha Swim Team | 04/11/2026 | 2026 SI FAST BC All Ages | |
| 387 | Genevieve Court | 45.58 | 9 | BB Min | A: 42.79 (+2.79s | 6.1%) | SlipStream Aquatics | 03/13/2026 | Mile High Championship Invitational | |
| 388 | Noelle Berkland | 45.59 | 10 | BB Min | A: 42.79 (+2.80s | 6.1%) | Park City Swimming | 12/13/2025 | 2025 UTAH Winter Classic | |
| 389 | Maggie Qi | 45.59 | 10 | BB Min | A: 42.79 (+2.80s | 6.1%) | Rose Bowl Aquatics | 03/13/2025 | 2025 SCS Spring Age Group Champs @ Armada | |
| 390 | Isabella Tsui | 45.60 | 8 | BB Min | A: 42.79 (+2.81s | 6.2%) | Pacific Dragons Swim Team | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 391 | Ellie Hsu | 45.61 | 10 | BB Min | A: 42.79 (+2.82s | 6.2%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 392 | Julianna Mazeika | 45.67 | 10 | BB Min | A: 42.79 (+2.88s | 6.3%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 393 | Penelope Ramirez | 45.68 | 10 | BB Min | A: 42.79 (+2.89s | 6.3%) | Southeast Aquatics Dolphins | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 394 | Ava Hu | 45.69 | 10 | BB Min | A: 42.79 (+2.90s | 6.3%) | Daly City Dolphins | 03/07/2026 | BAC Race To AGCs | |
| 395 | Aria Jaggi | 45.69 | 10 | BB Min | A: 42.79 (+2.90s | 6.3%) | Jbarracudas Swim Team | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 396 | Jadesolaoluwa Abdul | 45.69 | 9 | BB Min | A: 42.79 (+2.90s | 6.3%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 397 | Nysa Banerjee | 45.72 | 10 | BB Min | A: 42.79 (+2.93s | 6.4%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 398 | Nanea Manuel | 45.73 | 10 | BB Min | A: 42.79 (+2.94s | 6.4%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 399 | Charlie Duke | 45.73 | 10 | BB Min | A: 42.79 (+2.94s | 6.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 400 | Erin Tran | 45.74 | 10 | BB Min | A: 42.79 (+2.95s | 6.4%) | Valley Splash | 02/07/2026 | Valley Splash Short Course C B A Meet | |
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.