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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2151 | Tatiana Heinrich | 46.36 | 9 | BB Min | A: 42.79 (+3.57s | 7.7%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 2152 | Rose DiPiro | 46.36 | 9 | BB Min | A: 42.79 (+3.57s | 7.7%) | YMCA of Northwest North Caroli | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2153 | Paulina Zaitsev | 46.37 | 9 | BB Min | A: 42.79 (+3.58s | 7.7%) | Jcc Sea Serpents | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2154 | Keira Degalan | 46.37 | 9 | BB Min | A: 42.79 (+3.58s | 7.7%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 2155 | Daphne Braddock | 46.37 | 10 | BB Min | A: 42.79 (+3.58s | 7.7%) | McMinnville | 02/13/2026 | 2026 OR HS 6A 3 | |
| 2156 | Eliana Smith | 46.37 | 10 | BB Min | A: 42.79 (+3.58s | 7.7%) | Mason Makos Swim Team | 11/21/2025 | 2025 Swim Rock | |
| 2157 | Tara Kolenik | 46.37 | 10 | BB Min | A: 42.79 (+3.58s | 7.7%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 2158 | Cecilia Coan | 46.37 | 10 | BB Min | A: 42.79 (+3.58s | 7.7%) | Tri-Y Swim Club | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 2159 | Orlene Yu | 46.38 | 9 | BB Min | A: 42.79 (+3.59s | 7.7%) | Xtreme Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 2160 | Emma Pham | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 2161 | Riley Blaugh | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 2162 | Michaela Lung | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 2163 | June Bray | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 2164 | Isabel Churchill | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Metro Surge Aquatic Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 2165 | Madison Karpinski | 46.38 | 9 | BB Min | A: 42.79 (+3.59s | 7.7%) | Blazing Barracudas | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2166 | Vivian Giudici | 46.39 | 10 | BB Min | A: 42.79 (+3.60s | 7.8%) | Motor City Aquatics | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 2167 | Ana Ristanovic | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | YMCA of Metro North Tritons | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 2168 | Julia Karolyi | 46.39 | 10 | BB Min | A: 42.79 (+3.60s | 7.8%) | Cca Marlins of Virginia | 10/25/2025 | 2025 BSC Pumpkin Patch Meet | |
| 2169 | McKayla Cabonce | 46.39 | 10 | BB Min | A: 42.79 (+3.60s | 7.8%) | Wahoo\\\\\\'s of Wellington | 12/20/2025 | Santa Claus Holiday Sprint Inv 2025 | |
| 2170 | Emilia Yoon | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | Cumming Waves | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 2171 | Jane Cheng | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 2172 | Chloe Wailehua | 46.39 | 8 | BB Min | A: 42.79 (+3.60s | 7.8%) | Iolani Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 2173 | Rylan Halston | 46.40 | 10 | BB Min | A: 42.79 (+3.61s | 7.8%) | SwimFast | 01/24/2026 | 2026 Azura SwimFast Winter Intrasquad | |
| 2174 | Eleanor Wolf | 46.40 | 9 | BB Min | A: 42.79 (+3.61s | 7.8%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 2175 | Zara Webster | 46.40 | 10 | BB Min | A: 42.79 (+3.61s | 7.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2176 | Isabel Schneider | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Eastmont | 01/31/2026 | 2026 Winter Open | |
| 2177 | Maura Kee | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Bayside Aquatics | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 2178 | Harper Haemmerle | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2179 | Chloe Wang | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 2180 | Mia Lu | 46.41 | 9 | BB Min | A: 42.79 (+3.62s | 7.8%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 2181 | Ava Surber | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Boise Swim Club | 12/06/2025 | Reindeer Games 2025 | |
| 2182 | Elena Angelides | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 2183 | Laila Neggaz | 46.41 | 8 | BB Min | A: 42.79 (+3.62s | 7.8%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 2184 | Reagan Davis | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2185 | Allison Wu | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 2186 | Sloan Sedlak | 46.42 | 9 | BB Min | A: 42.79 (+3.63s | 7.8%) | Saint Louis Tsunami Swimming | 02/27/2026 | Ozark Division I Championship | |
| 2187 | Kaitlyn Bieging | 46.42 | 9 | BB Min | A: 42.79 (+3.63s | 7.8%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 2188 | Ashtyn Geddings | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Brownell Talbot | 12/17/2025 | BLCK MW BT Block Party Sprint #2 | |
| 2189 | Katelynn Neubeiser | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Old Dominion Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 2190 | Elaine Smith | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2191 | Harper Bruorton | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Carolina Aquatics Swim Club | 12/05/2025 | ATOM Winter Invite 2025 | |
| 2192 | Margareta Carwin | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Front Range Barracudas | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 2193 | Abigail Granger | 46.43 | 9 | BB Min | A: 42.79 (+3.64s | 7.8%) | Atlantis Swimming | 02/06/2026 | 2026 Michigan Open | |
| 2194 | Joely Haddad | 46.44 | 10 | BB Min | A: 42.79 (+3.65s | 7.9%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 2195 | Arden Allard | 46.45 | 10 | BB Min | A: 42.79 (+3.66s | 7.9%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 2196 | Henley Miller | 46.45 | 10 | BB Min | A: 42.79 (+3.66s | 7.9%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 2197 | Amanda Wu | 46.45 | 9 | BB Min | A: 42.79 (+3.66s | 7.9%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 2198 | Remy English | 46.45 | 10 | BB Min | A: 42.79 (+3.66s | 7.9%) | Plymouth Canton Cruisers | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 2199 | Abigail Jordan | 46.45 | 9 | BB Min | A: 42.79 (+3.66s | 7.9%) | YMCA of the Triangle Area Swim | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 2200 | Sophia Staunton | 46.45 | 10 | BB Min | A: 42.79 (+3.66s | 7.9%) | Shamrock Swim Club | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
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.