USA Girls 10 & under - 50 Y Breast
These rankings show the swimmers' placement within the United States.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2601 | Emily Mruk | 47.22 | 9 | BB Min | A: 42.79 (+4.43s | 9.4%) | Prime Aquatics | 09/20/2025 | 2025 Fall Kickoff Classic Meet Copied | |
| 2602 | Alyse Derrico | 47.22 | 9 | BB Min | A: 42.79 (+4.43s | 9.4%) | Indian River Aquatics | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 2603 | Amelia Gogola | 47.23 | 10 | BB Min | A: 42.79 (+4.44s | 9.4%) | Patriot Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 2604 | Maliha Radosevich | 47.23 | 10 | BB Min | A: 42.79 (+4.44s | 9.4%) | North Shore Swim Club | 10/17/2025 | 2025 NE NSSC Beede Halloween Classic Copied | |
| 2605 | Isadora Fain | 47.24 | 9 | BB Min | A: 42.79 (+4.45s | 9.4%) | Layton Surfers | 10/24/2025 | SSC Witchy Waters 2025 | |
| 2606 | Daphne Wise | 47.24 | 10 | BB Min | A: 42.79 (+4.45s | 9.4%) | Tide Swimming | 01/09/2026 | 2026 757swim Splash And Dash | |
| 2607 | Ellie Hsu | 47.25 | 10 | BB Min | A: 42.79 (+4.46s | 9.4%) | Bellevue Club Swim Team | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 2608 | Laurelie Jarun | 47.25 | 8 | BB Min | A: 42.79 (+4.46s | 9.4%) | Dynamo Swim Club | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 2609 | Valentina Saenz | 47.25 | 8 | BB Min | A: 42.79 (+4.46s | 9.4%) | West Florida Lightning Aquatic | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 2610 | Raelyn Ton | 47.25 | 9 | BB Min | A: 42.79 (+4.46s | 9.4%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2611 | Piper McQueen | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 2612 | Mia Huang | 47.26 | 9 | BB Min | A: 42.79 (+4.47s | 9.5%) | Rochester Swim Club | 03/07/2025 | 2025 MN RSC Minnesota Regional Championship | |
| 2613 | Caroline Kimpel | 47.26 | 7 | BB Min | A: 42.79 (+4.47s | 9.5%) | Pompano Beach Piranhas | 02/06/2026 | Friendship Meet 2026 | |
| 2614 | Rebecca Unger | 47.26 | 9 | BB Min | A: 42.79 (+4.47s | 9.5%) | Mountainside | 02/14/2025 | 2025 OR HS 6a 2 | |
| 2615 | Morgan Atala | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | Arlington Aquatic Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2616 | Juliet Delude | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | YMCA of Concord Swim Team | 01/24/2026 | 2026 NE GYT Northern NE District | |
| 2617 | Aleyna Broughton | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | Dakota Riptide | 11/15/2025 | 2025 SD YST Charity Invite | |
| 2618 | Igundany Vaughn | 47.27 | 8 | BB Min | A: 42.79 (+4.48s | 9.5%) | Johnnie Means Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2619 | Chloe Young | 47.27 | 9 | BB Min | A: 42.79 (+4.48s | 9.5%) | Blue Wave Swimming | 12/04/2025 | RAFC Winter Classic | |
| 2620 | Kennedy Schull | 47.27 | 8 | BB Min | A: 42.79 (+4.48s | 9.5%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 2621 | Julia Hu | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | Columbia Aquatics Association | 12/05/2025 | 2025 Christmas Championships | |
| 2622 | Cecilia Thorne | 47.28 | 10 | BB Min | A: 42.79 (+4.49s | 9.5%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 2623 | Farayola Oluwafemi | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | Schertz YMCA Swim Team | 01/24/2026 | 2026 ST SCY Surge January Invite | |
| 2624 | Eloise Biros | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Westlake Aquatic Facility | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 2625 | Hattie Amsel | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Austin Swim Club | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 2626 | Grace Gill | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 2627 | Addalyn Hendrick | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Coast Aquatics | 09/19/2025 | 2025 Tropic Like It S Hot Open | |
| 2628 | Joann Wang | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | North Carolina Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 2629 | Nia Jiang | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Qns Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 2630 | Eliza Mohr | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Team Eugene Aquatics | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 2631 | Irelyn Wallin | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Swim Tampa Aquatics | 02/06/2026 | CVST Sweetheart Meet | |
| 2632 | Jingxi Liu | 47.30 | 9 | BB Min | A: 42.79 (+4.51s | 9.5%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 2633 | Renae Caggiano | 47.31 | 9 | BB Min | A: 42.79 (+4.52s | 9.6%) | Jcc Sea Serpents | 01/02/2026 | 2026 NE INST ABF Blizzard Classic | |
| 2634 | Mikayla Chan | 47.31 | 10 | BB Min | A: 42.79 (+4.52s | 9.6%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 2635 | Carolina Finazzo | 47.31 | 10 | BB Min | A: 42.79 (+4.52s | 9.6%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 2636 | Ivy Uyeda | 47.32 | 9 | BB Min | A: 42.79 (+4.53s | 9.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 2637 | Lilly Davidson | 47.32 | 10 | BB Min | A: 42.79 (+4.53s | 9.6%) | Kingfish Swimming Medfield | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 2638 | Romy Siebert | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 2639 | Harlow Herman | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Aquawolves Swimming | 01/16/2026 | 2026 CO CUDA Classic | |
| 2640 | Naomi Thomas | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 2641 | Elizabeth Russell | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | VC Sharks Swim Team | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | |
| 2642 | Kaien Lin | 47.33 | 9 | BB Min | A: 42.79 (+4.54s | 9.6%) | Tampa Elite Aquatics | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 2643 | Alyssa Nakajima | 47.33 | 8 | BB Min | A: 42.79 (+4.54s | 9.6%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 2644 | Ellyson Bridges | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 2645 | Lua Choi | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Life Time Swim Team - Central | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 2646 | Lena Maxey | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Arlington Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 2647 | Alethea Kiang | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 2648 | Sydney Hanneman | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | SlipStream Aquatics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 2649 | Jillian Parkin | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | Chinook Aquatic Club | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 2650 | Lucy Hein | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Mason Makos Swim Team | 01/16/2026 | GSA January Jump Start 2026 | |
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.