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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Cecily Mai | 44.67 | 9 | BB Min | A: 42.79 (+1.88s | 4.2%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1002 | Johanna Asante | 44.67 | 9 | BB Min | A: 42.79 (+1.88s | 4.2%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1003 | Catalina Bernal | 44.68 | 10 | BB Min | A: 42.79 (+1.89s | 4.2%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1004 | Alessandra Diaz | 44.68 | 9 | BB Min | A: 42.79 (+1.89s | 4.2%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1005 | Amelia Wilden | 44.68 | 10 | BB Min | A: 42.79 (+1.89s | 4.2%) | Ramona Swim Team | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 1006 | Catalina Bernal | 44.68 | 10 | BB Min | A: 42.79 (+1.89s | 4.2%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1007 | Ava Moragues | 44.68 | 10 | BB Min | A: 42.79 (+1.89s | 4.2%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 1008 | Hana Dolan | 44.68 | 10 | BB Min | A: 42.79 (+1.89s | 4.2%) | Pearl City Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1009 | Anastasia Marutyan | 44.69 | 8 | BB Min | A: 42.79 (+1.90s | 4.3%) | Shorefront Ym-Ywha | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1010 | Airen Chu | 44.69 | 9 | BB Min | A: 42.79 (+1.90s | 4.3%) | Columbia Aquatics Association | 11/07/2025 | 2025 Marlins Invitational | |
| 1011 | Olivia Oum | 44.69 | 10 | BB Min | A: 42.79 (+1.90s | 4.3%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 1012 | Elizabeth Zou | 44.69 | 7 | BB Min | A: 42.79 (+1.90s | 4.3%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1013 | Emilia Smith | 44.69 | 10 | BB Min | A: 42.79 (+1.90s | 4.3%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 1014 | Sofia Gordon | 44.70 | 9 | BB Min | A: 42.79 (+1.91s | 4.3%) | Swim Coral Springs | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1015 | Ivy Peterson | 44.70 | 9 | BB Min | A: 42.79 (+1.91s | 4.3%) | Edina Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1016 | Addison Knab | 44.70 | 9 | BB Min | A: 42.79 (+1.91s | 4.3%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1017 | Bryn Van Den Broeck | 44.71 | 5 | BB Min | A: 42.79 (+1.92s | 4.3%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1018 | Hadley Sands | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | Firestone Akron Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1019 | 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 | |
| 1020 | Stavroula Lazarou | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | Cyclones Swim Team | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1021 | Rachael Noguti | 44.74 | 10 | BB Min | A: 42.79 (+1.95s | 4.4%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1022 | Charlotte Brand | 44.74 | 10 | BB Min | A: 42.79 (+1.95s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1023 | Saige Supanich | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1024 | 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 | |
| 1025 | Chloe Errity | 44.75 | 9 | BB Min | A: 42.79 (+1.96s | 4.4%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1026 | Ally Eubanks | 44.75 | 9 | BB Min | A: 42.79 (+1.96s | 4.4%) | Unattached | 03/01/2026 | 2026 Last Chance Meet | |
| 1027 | Veliane Amoah | 44.75 | 10 | BB Min | A: 42.79 (+1.96s | 4.4%) | YMCA of Greater Nashua Storm | 05/09/2026 | 2026 NE STRM Spring Splash W Distance | |
| 1028 | Amarie Helenske | 44.75 | 10 | BB Min | A: 42.79 (+1.96s | 4.4%) | Saint Petersburg Aquatics | 02/06/2026 | 2026 TBAC Winter Meet Copied | |
| 1029 | Ida Mancell | 44.76 | 9 | BB Min | A: 42.79 (+1.97s | 4.4%) | Watertown Area Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1030 | Isabelle Deal | 44.76 | 10 | BB Min | A: 42.79 (+1.97s | 4.4%) | Cincinnati Marlins | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1031 | Bella Chen | 44.76 | 9 | BB Min | A: 42.79 (+1.97s | 4.4%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1032 | Catherine Wang | 44.77 | 9 | BB Min | A: 42.79 (+1.98s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 1033 | Maya Radhakrishnan | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1034 | Viola Rizzardi | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Accokeek Stroke Technique Swim | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1035 | Emma Salum | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Calabasas Waves | 12/13/2024 | 2024 CA SCAT SCS WAG | |
| 1036 | Madelyn Anderson | 44.78 | 10 | BB Min | A: 42.79 (+1.99s | 4.4%) | Dolphin Club | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1037 | Ava Xing | 44.78 | 9 | BB Min | A: 42.79 (+1.99s | 4.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 1038 | Dylan Reeves | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Crawfish Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1039 | Violet Mormile | 44.79 | 9 | BB Min | A: 42.79 (+2.00s | 4.5%) | Jupiter Dragons Swim Team | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1040 | Alinah Tracy | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Unattached | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 1041 | Aysa Lolia | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Ccat Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1042 | Eva Clark | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | Parkway-Rockwood Gateway Swim | 06/24/2026 | GTWY Get Your Best Yard Times | |
| 1043 | Julietta Dareb-Nasr | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | Speed World Swimming | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1044 | Josephine Mitchell | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | Tollefson Swimming | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1045 | Ella Hanratty | 44.81 | 9 | BB Min | A: 42.79 (+2.02s | 4.5%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1046 | Claire Shi | 44.82 | 10 | BB Min | A: 42.79 (+2.03s | 4.5%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1047 | Alice Gangl | 44.83 | 10 | BB Min | A: 42.79 (+2.04s | 4.6%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 1048 | Eva Trusler | 44.83 | 10 | BB Min | A: 42.79 (+2.04s | 4.6%) | Nashville Aquatic Club | 03/06/2026 | Speedo Southern Premier | |
| 1049 | Devin Mahoney | 44.83 | 9 | BB Min | A: 42.79 (+2.04s | 4.6%) | Farmington Family YMCA Stingra | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1050 | Reese Butler | 44.83 | 10 | BB Min | A: 42.79 (+2.04s | 4.6%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
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.