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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Emilia Smith | 44.69 | 9 | BB Min | A: 42.79 (+1.90s | 4.3%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 402 | Jojo Qiang-Zhu | 44.70 | 10 | BB Min | A: 42.79 (+1.91s | 4.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 403 | Courtney Carroll | 44.70 | 10 | BB Min | A: 42.79 (+1.91s | 4.3%) | Fort Collins Area Swim Team | 01/23/2026 | 2026 CO FAST Winter Open | |
| 404 | Summer Hinze | 44.71 | 10 | BB Min | A: 42.79 (+1.92s | 4.3%) | Northern Lights Swim Club | 11/21/2025 | NLSC Sprint Classic | |
| 405 | Amy Qian | 44.72 | 9 | BB Min | A: 42.79 (+1.93s | 4.3%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 406 | Kateri Leahy | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | South Bay Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 407 | Isabella Atkins | 44.72 | 9 | BB Min | A: 42.79 (+1.93s | 4.3%) | Ramona Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 408 | Katherine Ying | 44.73 | 10 | BB Min | A: 42.79 (+1.94s | 4.3%) | Cottonwood Heights Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 409 | Rachael Noguti | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 410 | Alena Caiserman | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | Lahaina Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 411 | Jesslyn Yong | 44.75 | 10 | BB Min | A: 42.79 (+1.96s | 4.4%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 412 | Elena Lee | 44.76 | 10 | BB Min | A: 42.79 (+1.97s | 4.4%) | Aspire Aquatics of Colorado | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 413 | Emma Salum | 44.77 | 9 | BB Min | A: 42.79 (+1.98s | 4.4%) | Calabasas Waves | 12/13/2024 | 2024 CA SCAT SCS WAG | |
| 414 | Nayeon Kim | 44.78 | 9 | BB Min | A: 42.79 (+1.99s | 4.4%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 415 | Sofia Gzym | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 416 | Alinah Tracy | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Unattached | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 417 | Aysa Lolia | 44.79 | 9 | BB Min | A: 42.79 (+2.00s | 4.5%) | Ccat Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 418 | Sophie Bedoya | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | San Ramon Valley Aquatics | 07/26/2025 | Zone 2 Summer Championships | |
| 419 | Claire Shi | 44.82 | 9 | BB Min | A: 42.79 (+2.03s | 4.5%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 420 | Ameena Makhzoumi | 44.82 | 10 | BB Min | A: 42.79 (+2.03s | 4.5%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 421 | Aiyanna Williams | 44.82 | 8 | BB Min | A: 42.79 (+2.03s | 4.5%) | Aquawolves Swimming | 02/02/2025 | 2025 CO AQUA Intra Squad | |
| 422 | Sofia Drury Deza | 44.82 | 10 | BB Min | A: 42.79 (+2.03s | 4.5%) | Aulea Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 423 | Eloise Maine | 44.83 | 9 | BB Min | A: 42.79 (+2.04s | 4.6%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 424 | Victoria Linares Danzos | 44.84 | 10 | BB Min | A: 42.79 (+2.05s | 4.6%) | Pleasanton Seahawks | 07/26/2025 | Zone 2 Summer Championships | |
| 425 | Teagan van Dillen | 44.84 | 10 | BB Min | A: 42.79 (+2.05s | 4.6%) | Rancho San Dieguito | 10/04/2025 | 2025 SI CAST Pentathlon 14 U Copied | |
| 426 | Nora Kosky | 44.85 | 10 | BB Min | A: 42.79 (+2.06s | 4.6%) | Aquawolves Swimming | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 427 | Acelynn Miles | 44.86 | 10 | BB Min | A: 42.79 (+2.07s | 4.6%) | Wasatch Front Fish Market | 12/04/2025 | 2025 Holiday Swim Festival | |
| 428 | Eliza Kanivas | 44.87 | 10 | BB Min | A: 42.79 (+2.08s | 4.6%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 429 | Lucy Ward | 44.88 | 10 | BB Min | A: 42.79 (+2.09s | 4.7%) | Voltage Aquatics | 12/13/2025 | 2025 Holiday Classic | |
| 430 | Cecilia Crane | 44.88 | 10 | BB Min | A: 42.79 (+2.09s | 4.7%) | Cascade Swim Club | 11/22/2025 | 2025 PN November AGI, Division 4 (WEST) | |
| 431 | Caroline Kersten | 44.88 | 9 | BB Min | A: 42.79 (+2.09s | 4.7%) | Rocky Mountain Rapids | 06/28/2025 | 2025 CO PSC Summer Sprints | |
| 432 | Zoe Luo | 44.88 | 9 | BB Min | A: 42.79 (+2.09s | 4.7%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 433 | Audrey Friend | 44.90 | 10 | BB Min | A: 42.79 (+2.11s | 4.7%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 434 | Harper Marx | 44.90 | 10 | BB Min | A: 42.79 (+2.11s | 4.7%) | Rancho San Dieguito | 01/17/2026 | 2026 SI MRA A BB Meet | |
| 435 | Addie John | 44.92 | 9 | BB Min | A: 42.79 (+2.13s | 4.7%) | Terrapins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 436 | Summer Lam | 44.92 | 10 | BB Min | A: 42.79 (+2.13s | 4.7%) | Flatiron Athletic Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 437 | Dillon Zhang | 44.92 | 10 | BB Min | A: 42.79 (+2.13s | 4.7%) | Flatiron Athletic Club | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 438 | Amelia Hartsfield | 44.93 | 10 | BB Min | A: 42.79 (+2.14s | 4.8%) | University Place Aquatic Club | 11/16/2025 | 2025 PN PAC Q Meet | |
| 439 | Adyson Newman | 44.93 | 10 | BB Min | A: 42.79 (+2.14s | 4.8%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 440 | Juliana Burko | 44.94 | 10 | BB Min | A: 42.79 (+2.15s | 4.8%) | Reno Aquatic Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 441 | Fazia Cherik | 44.94 | 10 | BB Min | A: 42.79 (+2.15s | 4.8%) | Tiger Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 442 | Sophie Chuang | 44.95 | 9 | BB Min | A: 42.79 (+2.16s | 4.8%) | Otter Swim Club | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 443 | Andradige Silva | 44.95 | 10 | BB Min | A: 42.79 (+2.16s | 4.8%) | Tualatin Hills Swim Club | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 444 | Teagan Clift | 44.95 | 10 | BB Min | A: 42.79 (+2.16s | 4.8%) | Portland Aquatic Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
| 445 | Brooke Paia | 44.95 | 10 | BB Min | A: 42.79 (+2.16s | 4.8%) | Kamehameha Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 446 | Caroline Leinwand | 44.96 | 10 | BB Min | A: 42.79 (+2.17s | 4.8%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 447 | Jade Holt | 44.97 | 10 | BB Min | A: 42.79 (+2.18s | 4.8%) | Skyline Swim Club | 12/13/2025 | 2025 UTAH Winter Classic | |
| 448 | Caroline Gerou | 44.97 | 10 | BB Min | A: 42.79 (+2.18s | 4.8%) | Life Time Colorado Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 449 | Zara Shah | 44.99 | 10 | BB Min | A: 42.79 (+2.20s | 4.9%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | |
| 450 | Bella Li | 45.00 | 8 | BB Min | A: 42.79 (+2.21s | 4.9%) | Santa Clara Swim Club | 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.