USA Girls 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 8101 | Kalina Han | 47.82 | 10 | B Min | BB: 43.29 (+4.53s | 9.5%) | Wahoo\\\\\\'s of Wellington | 02/06/2026 | 2026 Matt Mounts Memorial Swim Meet | |
| 8102 | Teagan Stone | 47.82 | 8 | B Min | BB: 43.29 (+4.53s | 9.5%) | Quest Swimming | 12/05/2025 | NOVA December Dip | |
| 8103 | Olivia Herbert | 47.82 | 9 | B Min | BB: 43.29 (+4.53s | 9.5%) | Tide Swimming | 10/10/2025 | 2025 TIDE Atlantic Coast Clash Copied | |
| 8104 | Vera Sajin | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | Cape Cod Swim Club | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 8105 | Arya Baker | 47.83 | 8 | B Min | BB: 43.29 (+4.54s | 9.5%) | Bolles School Sharks | 03/01/2025 | 2025 Area 1 Spring Championships | |
| 8106 | Grace Roberts | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | Hydro Swim Club | 10/26/2025 | 2025 Hydro Halloween Pentathlon Copied | |
| 8107 | Hannah Yin | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | Waterloo Swimming | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 8108 | Mila Lobo-Guerrero | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | Maui Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 8109 | Marharyta Nikitenko | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 8110 | Olivia Onori | 47.83 | 9 | B Min | BB: 43.29 (+4.54s | 9.5%) | Alameda Gators | 01/11/2025 | Crow Canyon Sharks Shortcourse C B BB+ | |
| 8111 | Maisie Ghosh | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 8112 | Yanran Shen | 47.83 | 9 | B Min | BB: 43.29 (+4.54s | 9.5%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 8113 | Dylan Elwonger | 47.83 | 8 | B Min | BB: 43.29 (+4.54s | 9.5%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 8114 | Noa Ladly | 47.83 | 10 | B Min | BB: 43.29 (+4.54s | 9.5%) | DC Dept Of Parks and Recreatio | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 8115 | Mayda Matern | 47.84 | 10 | B Min | BB: 43.29 (+4.55s | 9.5%) | River Road Swim Team | 01/10/2026 | 2026 SCAT B C Open | |
| 8116 | Adelaide Benner | 47.84 | 10 | B Min | BB: 43.29 (+4.55s | 9.5%) | Portland Porpoise Swim Club | 11/07/2025 | 2025 NE UVAC Dorsi Raynolds Memorial Meet C | |
| 8117 | Maria Vasilescu | 47.84 | 9 | B Min | BB: 43.29 (+4.55s | 9.5%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | |
| 8118 | Nithila Sudalaimuthu | 47.84 | 9 | B Min | BB: 43.29 (+4.55s | 9.5%) | Front Range Barracudas | 07/24/2025 | 2025 CO CUDA July Pizza Meet | |
| 8119 | Sophia Stilson | 47.84 | 9 | B Min | BB: 43.29 (+4.55s | 9.5%) | Full Armour Swim Team | 01/25/2026 | 2026 CO PSC Winter Sprints | |
| 8120 | Kelsey Kelleher | 47.84 | 10 | B Min | BB: 43.29 (+4.55s | 9.5%) | Asheville Jewish Community Cen | 11/15/2025 | 2025 The Gourd Time Gathering | |
| 8121 | Emma O'Malley | 47.84 | 8 | B Min | BB: 43.29 (+4.55s | 9.5%) | Bgc-N. Westchester Marlins | 11/09/2025 | 2025 MR BGNW November 8 Under Invitational | |
| 8122 | Blake Barnes | 47.84 | 8 | B Min | BB: 43.29 (+4.55s | 9.5%) | WeAquatics | 12/06/2025 | 2025 PAC 11 Over Snow Globe Champs | |
| 8123 | Amelia Brown | 47.84 | 9 | B Min | BB: 43.29 (+4.55s | 9.5%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 8124 | Emily Arnold | 47.84 | 10 | B Min | BB: 43.29 (+4.55s | 9.5%) | Connecticut River Valley Sting | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 8125 | Elizabeth Smith | 47.85 | 9 | B Min | BB: 43.29 (+4.56s | 9.5%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 8126 | Kyla Li-Zhuo | 47.85 | 10 | B Min | BB: 43.29 (+4.56s | 9.5%) | YMCA of Metro North Tritons | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 8127 | Caroline Green | 47.85 | 10 | B Min | BB: 43.29 (+4.56s | 9.5%) | Excel Aquatics | 11/01/2025 | 2025 Pumpkin Spice Splash | |
| 8128 | Maya Brinkley | 47.85 | 10 | B Min | BB: 43.29 (+4.56s | 9.5%) | Royal Swimming | 01/10/2026 | 2026 LIFE Royal Swimming Winter Fest | |
| 8129 | Randall Randall | 47.85 | 10 | B Min | BB: 43.29 (+4.56s | 9.5%) | Dublin Community Swim Team | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 8130 | Elizabeth Bernabe | 47.85 | 9 | B Min | BB: 43.29 (+4.56s | 9.5%) | Elko Swim Team | 12/13/2025 | 2025 UTAH Winter Classic | |
| 8131 | Avery Yark | 47.85 | 9 | B Min | BB: 43.29 (+4.56s | 9.5%) | Sylvania Tsunami Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 8132 | Cindy Zhang | 47.85 | 9 | B Min | BB: 43.29 (+4.56s | 9.5%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 8133 | Emma Martin | 47.86 | 7 | B Min | BB: 43.29 (+4.57s | 9.5%) | Magnolia Aquatic Club | 11/08/2024 | MAC 2024 Great Goggled Gobbler Classic Meet | |
| 8134 | Naima Akhmed | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 8135 | Kyrie Vargas | 47.86 | 8 | B Min | BB: 43.29 (+4.57s | 9.5%) | South Bay Aquatics | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 8136 | Zoe Gray | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Granite Falls Makos | 09/27/2025 | 2025 RMY Fall Invitational | |
| 8137 | Cora Brock | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Cortez Water Dragons | 05/30/2025 | 2025 CO Cortez SCY Summer Open | |
| 8138 | Emma Andreu Riera | 47.86 | 10 | B Min | BB: 43.29 (+4.57s | 9.5%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 8139 | Audrey Kahrhoff | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Millard Aquatic Club | 01/21/2026 | BLCK MW BT Sprint Night Meet #3 | |
| 8140 | Jamie Goering | 47.86 | 10 | B Min | BB: 43.29 (+4.57s | 9.5%) | Douglas Dolfins Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | |
| 8141 | Cora Tortorich | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Capital City Athletics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 8142 | Olivia Fantry | 47.86 | 8 | B Min | BB: 43.29 (+4.57s | 9.5%) | Connetquot Swim Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 8143 | Alexis Deleau | 47.86 | 9 | B Min | BB: 43.29 (+4.57s | 9.5%) | Waterloo Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 8144 | Kyndal Smith | 47.86 | 10 | B Min | BB: 43.29 (+4.57s | 9.5%) | Area Tallahassee Aquatic Club | 01/30/2026 | 2026 Mac Crutchfield Invitational | |
| 8145 | Madeleine Groth | 47.86 | 8 | B Min | BB: 43.29 (+4.57s | 9.5%) | Three Village Swim Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 8146 | Elizabeth Griffith | 47.87 | 7 | B Min | BB: 43.29 (+4.58s | 9.6%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 8147 | Zara Perkins | 47.87 | 10 | B Min | BB: 43.29 (+4.58s | 9.6%) | Oly Swimming | 01/10/2026 | 2026 PA Invite | |
| 8148 | Isla Meyers | 47.87 | 9 | B Min | BB: 43.29 (+4.58s | 9.6%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 8149 | Emily Janklow | 47.87 | 9 | B Min | BB: 43.29 (+4.58s | 9.6%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 8150 | Andie Villanueva | 47.87 | 9 | B Min | BB: 43.29 (+4.58s | 9.6%) | Splash Aquatics | 10/19/2025 | Aulea Fall Frenzy 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.