USA Girls 10 & under - 50 Y Free
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 | Jillian DeRosa | 33.58 | 10 | BB Min | A: 32.09 (+1.49s | 4.4%) | Regional YMCA of Western Conne | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1702 | Cordelia Weig | 33.58 | 10 | BB Min | A: 32.09 (+1.49s | 4.4%) | Hurricanes Swim Team | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 1703 | Kylie O'Brien | 33.58 | 10 | BB Min | A: 32.09 (+1.49s | 4.4%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 1704 | Amelia Huang | 33.59 | 10 | BB Min | A: 32.09 (+1.50s | 4.5%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 1705 | Greta Dierdorff | 33.59 | 10 | BB Min | A: 32.09 (+1.50s | 4.5%) | Summit | 02/13/2026 | 2026 OR HS 5A 4 | |
| 1706 | Maya Fazio | 33.60 | 10 | BB Min | A: 32.09 (+1.51s | 4.5%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1707 | Valerie Lan | 33.60 | 10 | BB Min | A: 32.09 (+1.51s | 4.5%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1708 | Vivienne Coviello | 33.60 | 10 | BB Min | A: 32.09 (+1.51s | 4.5%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1709 | Minh-An Kirkpatrick | 33.60 | 10 | BB Min | A: 32.09 (+1.51s | 4.5%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 1710 | Ryan Mackeever | 33.60 | 9 | BB Min | A: 32.09 (+1.51s | 4.5%) | Metro Surge Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1711 | Elaine Thacker | 33.60 | 10 | BB Min | A: 32.09 (+1.51s | 4.5%) | Memphis Tiger Swimming | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1712 | Mary Baxter | 33.60 | 9 | BB Min | A: 32.09 (+1.51s | 4.5%) | Nu Wave Swim Club | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1713 | Hazel McCleland | 33.61 | 10 | BB Min | A: 32.09 (+1.52s | 4.5%) | Old Dominion Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1714 | Rachael Noguti | 33.61 | 10 | BB Min | A: 32.09 (+1.52s | 4.5%) | South Bay Aquatics | 11/08/2025 | HSA All Ages NTS | |
| 1715 | Ava Martusiewicz | 33.61 | 9 | BB Min | A: 32.09 (+1.52s | 4.5%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1716 | Haleigh McNulty | 33.61 | 9 | BB Min | A: 32.09 (+1.52s | 4.5%) | Farmingdale Aquatics | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1717 | Vasilisa Zinkevich | 33.62 | 10 | BB Min | A: 32.09 (+1.53s | 4.6%) | Tsm Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1718 | Charlotte Davenport | 33.62 | 10 | BB Min | A: 32.09 (+1.53s | 4.6%) | YMCA of Snohomish County Barra | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1719 | Kiara Sharma | 33.62 | 9 | BB Min | A: 32.09 (+1.53s | 4.6%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 1720 | Sierra Largent | 33.62 | 10 | BB Min | A: 32.09 (+1.53s | 4.6%) | Unattached | 02/27/2026 | Ozark Division I Championship | |
| 1721 | Emilia Chang | 33.62 | 10 | BB Min | A: 32.09 (+1.53s | 4.6%) | Burlingame Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1722 | Abigail Heidenreich | 33.62 | 9 | BB Min | A: 32.09 (+1.53s | 4.6%) | Central Minnesota Aquatics | 06/05/2026 | 2026 MN ALEX Pool Sprints Lake Swim | |
| 1723 | Sierra Carr | 33.62 | 10 | BB Min | A: 32.09 (+1.53s | 4.6%) | Rancho San Dieguito | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | |
| 1724 | Annabelle Cheshire | 33.62 | 9 | BB Min | A: 32.09 (+1.53s | 4.6%) | Apollo Beach Swim Team | 05/02/2026 | 2026 Berkeley May Day | |
| 1725 | Olivia Chea | 33.63 | 10 | BB Min | A: 32.09 (+1.54s | 4.6%) | Smithfield YMCA Dolphins | 11/01/2025 | 2025 NE NBY Freestyle Frenzy Copied | |
| 1726 | Finley Meier | 33.63 | 10 | BB Min | A: 32.09 (+1.54s | 4.6%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1727 | Yumeha Mochino | 33.63 | 10 | BB Min | A: 32.09 (+1.54s | 4.6%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 1728 | Devin Mahoney | 33.63 | 9 | BB Min | A: 32.09 (+1.54s | 4.6%) | Farmington Family YMCA Stingra | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1729 | Adalynn Oleary | 33.64 | 9 | BB Min | A: 32.09 (+1.55s | 4.6%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 1730 | Kai Heli | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Tucson Ford Dealers Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1731 | Amelia Ellis | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1732 | Maddix Muldoon | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Hydro Swim Club | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 1733 | Sofia Drury Deza | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Aulea Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 1734 | Cora Gibson | 33.64 | 9 | BB Min | A: 32.09 (+1.55s | 4.6%) | Star Aquatics | 03/20/2026 | 2026 STAR Tar Heel States | |
| 1735 | Arden Allard | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1736 | Liana Ybanez | 33.64 | 10 | BB Min | A: 32.09 (+1.55s | 4.6%) | Brentwood Seawolves | 07/25/2026 | Zone 2 Summer Championships | |
| 1737 | Sofia Gordon | 33.65 | 9 | BB Min | A: 32.09 (+1.56s | 4.6%) | Swim Coral Springs | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1738 | Emma Furey | 33.65 | 10 | BB Min | A: 32.09 (+1.56s | 4.6%) | Andover-North Andover YMCA Hur | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1739 | Amelia Wang | 33.65 | 10 | BB Min | A: 32.09 (+1.56s | 4.6%) | Milpitas Aquatic Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 1740 | Olivia Marshall | 33.65 | 10 | BB Min | A: 32.09 (+1.56s | 4.6%) | Newberg | 02/15/2025 | 2025 OR HS 6A 3 | |
| 1741 | Addison Qu | 33.65 | 10 | BB Min | A: 32.09 (+1.56s | 4.6%) | Oly Swimming | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 1742 | Giovannina Bonsignore | 33.66 | 10 | BB Min | A: 32.09 (+1.57s | 4.7%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1743 | Ava Baranowski | 33.67 | 10 | BB Min | A: 32.09 (+1.58s | 4.7%) | North Gate Aquatics Club | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1744 | Kaylee Zhang | 33.67 | 10 | BB Min | A: 32.09 (+1.58s | 4.7%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1745 | Zara Lucska | 33.67 | 9 | BB Min | A: 32.09 (+1.58s | 4.7%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1746 | Chloe Leibhan | 33.68 | 9 | BB Min | A: 32.09 (+1.59s | 4.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 1747 | Maren Seiffertt | 33.68 | 9 | BB Min | A: 32.09 (+1.59s | 4.7%) | Fast | 02/27/2026 | Ozark Division I Championship | |
| 1748 | Olivia Kendrick | 33.68 | 8 | BB Min | A: 32.09 (+1.59s | 4.7%) | Saline Swim Team | 02/14/2026 | SAC Winter Classic | |
| 1749 | Amy Marousky | 33.68 | 10 | BB Min | A: 32.09 (+1.59s | 4.7%) | Scottsboro Swim Association | 04/11/2026 | 2026 Sprint Medal Meet | |
| 1750 | Chance Fagundes | 33.68 | 10 | BB Min | A: 32.09 (+1.59s | 4.7%) | Orca Aquatics | 01/16/2026 | 2026 NE SAC Bronze Championships | |
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.