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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Hallie Hess | 47.87 | 10 | BB Min | A: 43.59 (+4.28s | 8.9%) | Pacific Swim | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 602 | Piper Carlson | 47.88 | 10 | BB Min | A: 43.59 (+4.29s | 9.0%) | Coeur D\\\\\\'alene Area Swim Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 603 | Siena Burrell | 47.88 | 10 | BB Min | A: 43.59 (+4.29s | 9.0%) | Swim Lake City Legends | 07/17/2025 | 2025 UTAGS LC Championships | |
| 604 | Harper Marx | 47.89 | 10 | BB Min | A: 43.59 (+4.30s | 9.0%) | Rancho San Dieguito | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 605 | Arrietty Shieh | 47.91 | 10 | BB Min | A: 43.59 (+4.32s | 9.0%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 606 | Paige Lin | 47.91 | 8 | BB Min | A: 43.59 (+4.32s | 9.0%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 607 | Emma Nakano | 47.91 | 10 | BB Min | A: 43.59 (+4.32s | 9.0%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 608 | Vail Niemann | 47.94 | 9 | BB Min | A: 43.59 (+4.35s | 9.1%) | Team Sopris Swimming | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 609 | Kennedy Nelson | 47.95 | 8 | BB Min | A: 43.59 (+4.36s | 9.1%) | Wasatch Front Fish Market | 07/17/2025 | 2025 UTAGS LC Championships | |
| 610 | Kyla Parnell | 47.95 | 9 | BB Min | A: 43.59 (+4.36s | 9.1%) | Pacific Swim | 06/19/2026 | 2026 SI Splash And Dash | |
| 611 | Sara Silva | 47.97 | 10 | BB Min | A: 43.59 (+4.38s | 9.1%) | Star | 06/05/2026 | 2026 COSA Long Couse Open | |
| 612 | Genevieve Fischer | 47.97 | 10 | BB Min | A: 43.59 (+4.38s | 9.1%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | |
| 613 | Ariana Volk | 47.97 | 10 | BB Min | A: 43.59 (+4.38s | 9.1%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 614 | Ava Gao | 47.99 | 10 | BB Min | A: 43.59 (+4.40s | 9.2%) | Unattached | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 615 | Aria Xu | 47.99 | 10 | BB Min | A: 43.59 (+4.40s | 9.2%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 616 | Noelle Brown | 48.00 | 10 | BB Min | A: 43.59 (+4.41s | 9.2%) | Foothills Swim Team | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 617 | Sofia Beglyarova | 48.00 | 9 | BB Min | A: 43.59 (+4.41s | 9.2%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 618 | Clara Davidson | 48.01 | 9 | BB Min | A: 43.59 (+4.42s | 9.2%) | Mighty Marlins Swim Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 619 | Ella Sun | 48.01 | 7 | BB Min | A: 43.59 (+4.42s | 9.2%) | Beaverton Area Aquatics Club | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 620 | Fiona Walsh | 48.04 | 10 | BB Min | A: 43.59 (+4.45s | 9.3%) | Denver Triton Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 621 | Allie Mayle | 48.04 | 10 | BB Min | A: 43.59 (+4.45s | 9.3%) | Maverick Aquatics | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 622 | Emma Jun | 48.07 | 9 | BB Min | A: 43.59 (+4.48s | 9.3%) | Bellevue Club Swim Team | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 623 | Cali Martinez | 48.07 | 9 | BB Min | A: 43.59 (+4.48s | 9.3%) | Nampa Swim Team | 06/07/2025 | Summer Classics 2025 | |
| 624 | Eloise Addison | 48.08 | 10 | BB Min | A: 43.59 (+4.49s | 9.3%) | Front Range Barracudas | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 625 | Kalani Scott | 48.09 | 9 | BB Min | A: 43.59 (+4.50s | 9.4%) | Sparks Piranhas Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | |
| 626 | Amy Jung | 48.10 | 10 | BB Min | A: 43.59 (+4.51s | 9.4%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 627 | Emma Miyamoto | 48.11 | 10 | BB Min | A: 43.59 (+4.52s | 9.4%) | Aloha Aquatics Association | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 628 | Ella Lerro | 48.11 | 8 | BB Min | A: 43.59 (+4.52s | 9.4%) | Aspire Aquatics of Colorado | 06/27/2025 | 2025 CO Zone 2 VMAC Meet | |
| 629 | Elise Messana | 48.13 | 9 | BB Min | A: 43.59 (+4.54s | 9.4%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 630 | Hattie Martin | 48.14 | 10 | BB Min | A: 43.59 (+4.55s | 9.5%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 631 | Elizabeth Hudson | 48.14 | 10 | BB Min | A: 43.59 (+4.55s | 9.5%) | Yakima YMCA Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 632 | Evelyn Mosendz | 48.15 | 8 | BB Min | A: 43.59 (+4.56s | 9.5%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 633 | Charlotte Bergin | 48.15 | 9 | BB Min | A: 43.59 (+4.56s | 9.5%) | North Jeffco Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 634 | Esther Wei | 48.15 | 9 | BB Min | A: 43.59 (+4.56s | 9.5%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 635 | Jaxsynn Cooley | 48.15 | 10 | BB Min | A: 43.59 (+4.56s | 9.5%) | Sea to Desert Swim Association | 06/19/2026 | 2026 SI Splash And Dash | |
| 636 | Madison Pronovost | 48.16 | 10 | BB Min | A: 43.59 (+4.57s | 9.5%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 637 | Wren Hegner | 48.17 | 10 | BB Min | A: 43.59 (+4.58s | 9.5%) | Loveland Swim Club | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 638 | Ella Gladstone | 48.19 | 10 | BB Min | A: 43.59 (+4.60s | 9.5%) | Ryan YMCA Tidal Waves | 05/23/2026 | 2026 SI HSA 2 All Ages NTS May 23 24 | |
| 639 | Poppy Anderson | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 640 | Hana Rosekrans | 48.20 | 10 | BB Min | A: 43.59 (+4.61s | 9.6%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 641 | Lila Sadaya | 48.20 | 9 | BB Min | A: 43.59 (+4.61s | 9.6%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 642 | Evangeline Sharygin | 48.21 | 10 | BB Min | A: 43.59 (+4.62s | 9.6%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 643 | Haydrianna Tran | 48.22 | 10 | BB Min | A: 43.59 (+4.63s | 9.6%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 644 | Amyra Srivastava | 48.23 | 10 | BB Min | A: 43.59 (+4.64s | 9.6%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 645 | Milan Ellena | 48.23 | 8 | BB Min | A: 43.59 (+4.64s | 9.6%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 646 | Gwen Haynes | 48.25 | 9 | BB Min | A: 43.59 (+4.66s | 9.7%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 647 | Adalyn Virtue Galinat | 48.28 | 10 | BB Min | A: 43.59 (+4.69s | 9.7%) | McMinnville Swim Club | 06/05/2026 | 2026 CST Summer Invitational | |
| 648 | Chelsea Shia | 48.29 | 9 | BB Min | A: 43.59 (+4.70s | 9.7%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 649 | Paige Curtis | 48.29 | 10 | BB Min | A: 43.59 (+4.70s | 9.7%) | Coeur D\\\\\\'alene Area Swim Team | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 650 | Emilia Zanetti | 48.29 | 10 | BB Min | A: 43.59 (+4.70s | 9.7%) | Coeur D\\\\\\'alene Area Swim Team | 04/25/2026 | 2026 SWAT Spring Fling | |
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.