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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Emma Doyle | 47.46 | 10 | BB Min | A: 42.79 (+4.67s | 9.8%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 2002 | Ashleigh Wuchter | 47.46 | 10 | BB Min | A: 42.79 (+4.67s | 9.8%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 2003 | Aurora Decktor | 47.47 | 10 | BB Min | A: 42.79 (+4.68s | 9.9%) | Eagle Swim Team Inc. | 02/14/2026 | EST Vs NAAC Dual Meet | |
| 2004 | Lianna Marin | 47.47 | 9 | BB Min | A: 42.79 (+4.68s | 9.9%) | Apollo Beach Swim Team | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 2005 | Chiara Rapkin | 47.47 | 9 | BB Min | A: 42.79 (+4.68s | 9.9%) | Omni Otters Swim Club | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 2006 | Chloe Adams | 47.47 | 10 | BB Min | A: 42.79 (+4.68s | 9.9%) | Machine Aquatics | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 2007 | Aviana Sajuthi-Leach | 47.47 | 8 | BB Min | A: 42.79 (+4.68s | 9.9%) | Bay Club Panthers | 03/07/2026 | BAC Race To AGCs | |
| 2008 | Mackinley Mills | 47.47 | 10 | BB Min | A: 42.79 (+4.68s | 9.9%) | South Lake Aquatic Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 2009 | Peyton Nicholson | 47.47 | 9 | BB Min | A: 42.79 (+4.68s | 9.9%) | Mount Desert Island YMCA ST | 03/13/2025 | 2025 MESI Winter Short Course Championships | |
| 2010 | Siyun Yoo | 47.47 | 9 | BB Min | A: 42.79 (+4.68s | 9.9%) | Utica Shelby Swim Club | 02/27/2026 | 2026 Junior Cup | |
| 2011 | Brielle Neelon | 47.48 | 10 | BB Min | A: 42.79 (+4.69s | 9.9%) | Southwestern Aquatics Team - S | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 2012 | Olivia Nerida | 47.48 | 10 | BB Min | A: 42.79 (+4.69s | 9.9%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 2013 | Veronica Wisniowska | 47.48 | 10 | BB Min | A: 42.79 (+4.69s | 9.9%) | Twisters Swim Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 2014 | Annabelle Afanasyev | 47.48 | 10 | BB Min | A: 42.79 (+4.69s | 9.9%) | Bluefish Swim Club | 05/01/2026 | 2026 NE ABF Sprimg Off The Blocks | |
| 2015 | Allison Hernandez | 47.48 | 9 | BB Min | A: 42.79 (+4.69s | 9.9%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2016 | Emery Keatley | 47.49 | 10 | BB Min | A: 42.79 (+4.70s | 9.9%) | North Bay Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 2017 | Gabriella Hiscock | 47.49 | 10 | BB Min | A: 42.79 (+4.70s | 9.9%) | Franklin County Stingray Swim | 01/09/2026 | 2026 Winter Jam | |
| 2018 | Ava McDonough | 47.50 | 9 | BB Min | A: 42.79 (+4.71s | 9.9%) | Revolution Swim Club | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 2019 | Layla Ferguson | 47.50 | 9 | BB Min | A: 42.79 (+4.71s | 9.9%) | Just Care Aquatics Tritons | 02/27/2026 | 2026 BD SCY Border Champs | |
| 2020 | Kirsten Peredo | 47.51 | 9 | BB Min | A: 42.79 (+4.72s | 9.9%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | |
| 2021 | Maya Losada-Tweedell | 47.51 | 8 | BB Min | A: 42.79 (+4.72s | 9.9%) | Neptune Swimming | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 2022 | Jasmine Dao | 47.51 | 10 | BB Min | A: 42.79 (+4.72s | 9.9%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 2023 | Elinor Kim | 47.51 | 10 | BB Min | A: 42.79 (+4.72s | 9.9%) | Hydro-sonic Tiburones | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2024 | Charlotte Swinning | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Grand Traverse Bay YMCA Breake | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 2025 | Camille Sanders | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Accokeek Stroke Technique Swim | 11/22/2025 | 20205 Odd Ball Challenge | |
| 2026 | Riley Hom | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Daly City Dolphins | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 2027 | Violeta Pop Friedman | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Mystic Hammerheads | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 2028 | Sarah Leonard | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Iguanas Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 2029 | Kaleigh Peoples | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Swim Birmingham YMCA | 02/06/2026 | 2026 SES Region 3 Champions | |
| 2030 | Maddix Muldoon | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Hydro Swim Club | 10/26/2025 | 2025 Hydro Halloween Pentathlon Copied | |
| 2031 | Louisa Weil | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Brooklyn Stingrays | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 2032 | Evelyn Fei | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 2033 | Mayah Wood | 47.53 | 9 | BB Min | A: 42.79 (+4.74s | 10.0%) | Northeast Houston Aquatics | 12/20/2024 | 2024 Gulf Fall Champs (SHRK) | |
| 2034 | Edith Kuhlman | 47.53 | 9 | BB Min | A: 42.79 (+4.74s | 10.0%) | Arlington Aquatic Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2035 | Olivia Volzer | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Clearfield City Aquatic Team | 11/06/2025 | 2025 OA Thanksgiving Turkey Meet | |
| 2036 | Ella Anga | 47.53 | 9 | BB Min | A: 42.79 (+4.74s | 10.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 2037 | Olivia Czinkota | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | North Jersey Barracudas | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 2038 | Mae Durban | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | BadFish Aquatics | 03/20/2026 | 2026 BRSL Championships | |
| 2039 | Evelyn Marchesseault | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Shawmut Aquatic Club | 11/15/2025 | 2025 NE SAC Turkey Splash | |
| 2040 | Sophie Harr | 47.53 | 9 | BB Min | A: 42.79 (+4.74s | 10.0%) | Crimson Aquatics | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 2041 | Keira Kristo-Reinking | 47.54 | 9 | BB Min | A: 42.79 (+4.75s | 10.0%) | Lone Star Aquatic Club | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 2042 | Natalie Adams | 47.54 | 10 | BB Min | A: 42.79 (+4.75s | 10.0%) | Nova of Virginia | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 2043 | Giuliana Cilano | 47.54 | 10 | BB Min | A: 42.79 (+4.75s | 10.0%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 2044 | Abigail Foy | 47.55 | 10 | BB Min | A: 42.79 (+4.76s | 10.0%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 2045 | Hazel Rivers | 47.55 | 10 | BB Min | A: 42.79 (+4.76s | 10.0%) | Foxjets Swim Team | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 2046 | Evelyn Brudvig | 47.55 | 10 | BB Min | A: 42.79 (+4.76s | 10.0%) | Aberdeen Swim Club | 07/10/2026 | 2026 SD Webster High Point Meet | |
| 2047 | Mavis Damaska | 47.56 | 9 | BB Min | A: 42.79 (+4.77s | 10.0%) | Three Rivers Swimming | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 2048 | Elle Chow | 47.56 | 10 | BB Min | A: 42.79 (+4.77s | 10.0%) | North Bay Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 2049 | Caroline Yeh | 47.56 | 10 | BB Min | A: 42.79 (+4.77s | 10.0%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 2050 | Paige Curtis | 47.56 | 10 | BB Min | A: 42.79 (+4.77s | 10.0%) | Coeur D\\\\\\'alene Area Swim Team | 01/16/2026 | 2026 Hells Canyon 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.