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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Grace Lindsay | 39.87 | 10 | BB Min | A: 37.99 (+1.88s | 4.7%) | Club Wolverine | 10/17/2025 | 2025 USSC Trick Or Treat Grab Bag Classic | |
| 2002 | Reanna Ding | 39.87 | 10 | BB Min | A: 37.99 (+1.88s | 4.7%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2003 | Leia Shelton | 39.87 | 9 | BB Min | A: 37.99 (+1.88s | 4.7%) | Laker Swim | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 2004 | Melissa Wan | 39.87 | 8 | BB Min | A: 37.99 (+1.88s | 4.7%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 2005 | Sierra Carr | 39.88 | 10 | BB Min | A: 37.99 (+1.89s | 4.7%) | Rancho San Dieguito | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 2006 | Evelyn Choi | 39.88 | 9 | BB Min | A: 37.99 (+1.89s | 4.7%) | Aspire Aquatics of Colorado | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 2007 | Vivian Filipic | 39.88 | 10 | BB Min | A: 37.99 (+1.89s | 4.7%) | Albany Armada Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 2008 | Nathalie Bieler | 39.88 | 10 | BB Min | A: 37.99 (+1.89s | 4.7%) | Bolles School Sharks | 01/16/2026 | 2026 Pentathlon | |
| 2009 | Maria Ivanskaya | 39.88 | 10 | BB Min | A: 37.99 (+1.89s | 4.7%) | King Aquatic Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 2010 | Maisy Akos | 39.88 | 9 | BB Min | A: 37.99 (+1.89s | 4.7%) | Area Tallahassee Aquatic Club | 01/30/2026 | 2026 Mac Crutchfield Invitational | |
| 2011 | Natasha Noah | 39.88 | 10 | BB Min | A: 37.99 (+1.89s | 4.7%) | Valley Swim Team Phoenix | 01/17/2026 | 2026 Duck Bowl | |
| 2012 | Eileen Lin | 39.88 | 9 | BB Min | A: 37.99 (+1.89s | 4.7%) | Sylvania Tsunami Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2013 | Ann Garcia Seeley | 39.89 | 9 | BB Min | A: 37.99 (+1.90s | 4.8%) | Riptide Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 2014 | Annabelle Cheshire | 39.89 | 9 | BB Min | A: 37.99 (+1.90s | 4.8%) | Apollo Beach Swim Team | 10/10/2025 | 2025 GTSA TYR Swim Classic | |
| 2015 | Xiaorong Li | 39.89 | 10 | BB Min | A: 37.99 (+1.90s | 4.8%) | Milpitas Aquatic Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 2016 | Cleo Lefebvre-Bailey | 39.89 | 10 | BB Min | A: 37.99 (+1.90s | 4.8%) | College Area Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 2017 | Jacquelyn Coleman | 39.89 | 10 | BB Min | A: 37.99 (+1.90s | 4.8%) | Unattached | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 2018 | Mikayla MacDonald | 39.89 | 10 | BB Min | A: 37.99 (+1.90s | 4.8%) | Washingtonians Swim Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2019 | Katherine McGowan | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2020 | Addison Liwski | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Swim Neptune | 12/04/2025 | 2025 Holiday Swim Festival | |
| 2021 | Amelia Harrington | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Unattached | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 2022 | Ardella Walsh | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Rochester Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 2023 | Lyra Mertens-Hall | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Multnomah Athletic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2024 | Madeline Hinton | 39.90 | 10 | BB Min | A: 37.99 (+1.91s | 4.8%) | Highlands Ranch Aquatics | 03/13/2026 | Mile High Championship Invitational | |
| 2025 | Ella Ly | 39.90 | 8 | BB Min | A: 37.99 (+1.91s | 4.8%) | Arctic Aquatics | 01/30/2026 | 2026 NE GS Silver Championships | |
| 2026 | Isabella Pahl | 39.90 | 9 | BB Min | A: 37.99 (+1.91s | 4.8%) | Sea Devils | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 2027 | Judith Sterr | 39.91 | 10 | BB Min | A: 37.99 (+1.92s | 4.8%) | Riptide Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2028 | Liliya Strunk | 39.91 | 9 | BB Min | A: 37.99 (+1.92s | 4.8%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 2029 | Sienna Xu | 39.91 | 10 | BB Min | A: 37.99 (+1.92s | 4.8%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 2030 | Emma Liu | 39.91 | 9 | BB Min | A: 37.99 (+1.92s | 4.8%) | Katy Aquatic Team For Youth | 12/20/2024 | 2024 Gulf Fall Champs (KATY) | |
| 2031 | Sawyer Cruz | 39.91 | 10 | BB Min | A: 37.99 (+1.92s | 4.8%) | South Lake Aquatic Club | 12/13/2025 | 2025 FAST December Open | |
| 2032 | Brynton Starkey | 39.92 | 10 | BB Min | A: 37.99 (+1.93s | 4.8%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 2033 | Payton Towles | 39.92 | 9 | BB Min | A: 37.99 (+1.93s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 2034 | Kate Cauley | 39.92 | 10 | BB Min | A: 37.99 (+1.93s | 4.8%) | Bayside Branch YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 2035 | Rachael Noguti | 39.92 | 9 | BB Min | A: 37.99 (+1.93s | 4.8%) | South Bay Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 2036 | Zerina Idrizovic | 39.92 | 9 | BB Min | A: 37.99 (+1.93s | 4.8%) | Executive Swim Club | 03/13/2026 | 2026 NE UVAC NHSA State Championships | |
| 2037 | Esther Shea | 39.92 | 10 | BB Min | A: 37.99 (+1.93s | 4.8%) | Cape Cod Swim Club | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 2038 | Avery Ferraro | 39.93 | 10 | BB Min | A: 37.99 (+1.94s | 4.9%) | North Jeffco Swim Team | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 2039 | Lucy Li | 39.93 | 10 | BB Min | A: 37.99 (+1.94s | 4.9%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 2040 | Anila Machettira | 39.93 | 9 | BB Min | A: 37.99 (+1.94s | 4.9%) | Crimson Aquatics | 11/14/2025 | 2025 NE CRIM November Specialty Copied C | |
| 2041 | Sojourner Blackwell | 39.93 | 8 | BB Min | A: 37.99 (+1.94s | 4.9%) | Eagle Swim Team Inc. | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 2042 | Jingyan Bai | 39.93 | 10 | BB Min | A: 37.99 (+1.94s | 4.9%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 2043 | Elsa Uguagliati | 39.94 | 9 | BB Min | A: 37.99 (+1.95s | 4.9%) | Austin Swim Club | 11/15/2025 | 2025 ST ASC Turkey Bash | |
| 2044 | Ava Farrell | 39.94 | 10 | BB Min | A: 37.99 (+1.95s | 4.9%) | Red Fox Aquatic Club | 12/12/2025 | 2025 MR RFAC Elizabeth Miller Holiday Invite | |
| 2045 | Eliza Zhuang | 39.94 | 10 | BB Min | A: 37.99 (+1.95s | 4.9%) | Gator Swim Club | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 2046 | Kaien Lin | 39.94 | 10 | BB Min | A: 37.99 (+1.95s | 4.9%) | Tampa Elite Aquatics | 10/18/2025 | 2025 SLAC IMX Challenge Invitational | |
| 2047 | Peyton McDonald | 39.94 | 9 | BB Min | A: 37.99 (+1.95s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 2048 | River Steinbis | 39.94 | 9 | BB Min | A: 37.99 (+1.95s | 4.9%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 2049 | Alianna Raine | 39.95 | 10 | BB Min | A: 37.99 (+1.96s | 4.9%) | Edina Swim Club | 02/07/2026 | 2026 MN EDI February Saturday At The Races | |
| 2050 | Natalia Nykodym | 39.95 | 5 | BB Min | A: 37.99 (+1.96s | 4.9%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
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.