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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1701 | Keller Heustis | 40.05 | 9 | BB Min | A: 37.99 (+2.06s | 5.1%) | Old Dominion Aquatic Club | 01/10/2026 | ODAC January 2026 Rising Stars Meet | |
| 1702 | Mallory Davis | 40.05 | 10 | BB Min | A: 37.99 (+2.06s | 5.1%) | YMCA of the Triangle Area Swim | 11/21/2025 | 2025 YOTA Arena Turkey Classic | |
| 1703 | Yasmine Talishinskiy | 40.05 | 10 | BB Min | A: 37.99 (+2.06s | 5.1%) | Metro Area Life Time | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 1704 | Zara Shah | 40.05 | 10 | BB Min | A: 37.99 (+2.06s | 5.1%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | |
| 1705 | Michelle Zhang | 40.05 | 10 | BB Min | A: 37.99 (+2.06s | 5.1%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 1706 | Abigail Ryzhikov | 40.06 | 10 | BB Min | A: 37.99 (+2.07s | 5.2%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1707 | Ellise Guillotel | 40.06 | 10 | BB Min | A: 37.99 (+2.07s | 5.2%) | Foxjets Swim Team | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 1708 | Mary Baxter | 40.06 | 9 | BB Min | A: 37.99 (+2.07s | 5.2%) | Nu Wave Swim Club | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1709 | Juliet Sherwood | 40.06 | 8 | BB Min | A: 37.99 (+2.07s | 5.2%) | Northern Lights Swim Club | 11/21/2025 | NLSC Sprint Classic | |
| 1710 | Hazel Towns | 40.06 | 9 | BB Min | A: 37.99 (+2.07s | 5.2%) | Olympus Aquatics | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 1711 | Charlene To | 40.06 | 10 | BB Min | A: 37.99 (+2.07s | 5.2%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1712 | Sophie Palli | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Royal Swimming | 01/10/2026 | 2026 LIFE Royal Swimming Winter Fest | |
| 1713 | Charlotte Maddox | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Tule Nation Tritons | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 1714 | Kelly Sharp | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Cape Cod Swim Club | 05/15/2026 | 2026 NE CCSC Medley Mayhem At Sandwich High | |
| 1715 | Sydney Grimes | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 1716 | Lauren Koh | 40.07 | 9 | BB Min | A: 37.99 (+2.08s | 5.2%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1717 | Claire Kanallakan | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Denver Triton Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 1718 | Sierra Largent | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Unattached | 02/27/2026 | Ozark Division I Championship | |
| 1719 | Daniela Ward | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Mason Makos Swim Team | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1720 | Jenny Yu | 40.07 | 9 | BB Min | A: 37.99 (+2.08s | 5.2%) | Qns Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 1721 | Yana Halibus | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Lifetime | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1722 | Olivia Feng | 40.07 | 8 | BB Min | A: 37.99 (+2.08s | 5.2%) | Town of Concord | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1723 | Andie Webb | 40.07 | 10 | BB Min | A: 37.99 (+2.08s | 5.2%) | Socal Aquatics Association | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1724 | Elle McLaughlin | 40.08 | 10 | BB Min | A: 37.99 (+2.09s | 5.2%) | MN Flyers Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 1725 | Eleonora Gogas | 40.08 | 10 | BB Min | A: 37.99 (+2.09s | 5.2%) | Ygb Sea Dragons | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1726 | Grace Xu | 40.08 | 10 | BB Min | A: 37.99 (+2.09s | 5.2%) | Longhorn Aquatics | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
| 1727 | Josalina McDermott | 40.08 | 10 | BB Min | A: 37.99 (+2.09s | 5.2%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1728 | Emma Xiang | 40.08 | 8 | BB Min | A: 37.99 (+2.09s | 5.2%) | Waterloo Swimming | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 1729 | Siyun Yoo | 40.08 | 9 | BB Min | A: 37.99 (+2.09s | 5.2%) | Utica Shelby Swim Club | 02/27/2026 | 2026 Junior Cup | |
| 1730 | Merrick Ogden | 40.10 | 8 | BB Min | A: 37.99 (+2.11s | 5.3%) | Unattached | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 1731 | Arianna Mitchell | 40.10 | 10 | BB Min | A: 37.99 (+2.11s | 5.3%) | Fast Falcons | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1732 | Elizabeth Boone | 40.11 | 9 | BB Min | A: 37.99 (+2.12s | 5.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1733 | Amelia Mercuri | 40.11 | 10 | BB Min | A: 37.99 (+2.12s | 5.3%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1734 | Morgan Lewis | 40.11 | 10 | BB Min | A: 37.99 (+2.12s | 5.3%) | O\\\\\\'Neal Aquatics | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 1735 | Sophia Demma | 40.11 | 9 | BB Min | A: 37.99 (+2.12s | 5.3%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1736 | Athena Yeung | 40.11 | 10 | BB Min | A: 37.99 (+2.12s | 5.3%) | Alamo Area Aquatic Association | 10/10/2025 | 2025 ST ASC Bob Thompson Open | |
| 1737 | Finley Bruns | 40.12 | 10 | BB Min | A: 37.99 (+2.13s | 5.3%) | The Woodlands Swim Team | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 1738 | Kensington DeWeese | 40.12 | 8 | BB Min | A: 37.99 (+2.13s | 5.3%) | Stingrays Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1739 | Jillian DeRosa | 40.12 | 10 | BB Min | A: 37.99 (+2.13s | 5.3%) | Regional YMCA of Western Conne | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1740 | Luna Ahumada | 40.12 | 9 | BB Min | A: 37.99 (+2.13s | 5.3%) | Unattached | 12/06/2025 | 2025 Weekend At Bernies | |
| 1741 | Kate Cauley | 40.12 | 10 | BB Min | A: 37.99 (+2.13s | 5.3%) | Bayside Branch YMCA | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 1742 | Chloe Young | 40.12 | 9 | BB Min | A: 37.99 (+2.13s | 5.3%) | Blue Wave Swimming | 02/20/2026 | Bay Area Spring Championships | |
| 1743 | Ariel Tungett | 40.13 | 10 | BB Min | A: 37.99 (+2.14s | 5.3%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1744 | Katherine Edgerton | 40.13 | 10 | BB Min | A: 37.99 (+2.14s | 5.3%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1745 | Yuhan Xiong | 40.13 | 9 | BB Min | A: 37.99 (+2.14s | 5.3%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1746 | Brittney Heath | 40.13 | 10 | BB Min | A: 37.99 (+2.14s | 5.3%) | YMCA of Greater Nashua Storm | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1747 | Dusty Ferris | 40.13 | 10 | BB Min | A: 37.99 (+2.14s | 5.3%) | Brooklyn Stingrays | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1748 | Lydia Bowman | 40.13 | 10 | BB Min | A: 37.99 (+2.14s | 5.3%) | Green Machine (Green) | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 1749 | Genevieve Brandstatter | 40.14 | 9 | BB Min | A: 37.99 (+2.15s | 5.4%) | Blackline Aquatics | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1750 | Kimberly Hong | 40.14 | 10 | BB Min | A: 37.99 (+2.15s | 5.4%) | Dare Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
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.