USA Girls 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Hannah Ringler | 43.07 | 10 | A Min | AA: 41.59 (+1.48s | 3.4%) | Nitro Swimming | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 152 | Emily Swanson | 43.07 | 10 | A Min | AA: 41.59 (+1.48s | 3.4%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 153 | Sophie Wang | 43.12 | 10 | A Min | AA: 41.59 (+1.53s | 3.5%) | Chinook Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 154 | Hazel Farley | 43.14 | 10 | A Min | AA: 41.59 (+1.55s | 3.6%) | Sporting Jax Aquatic Club | 05/23/2025 | EAJ Mayhem 2025 | |
| 155 | Madison Duckworth | 43.16 | 10 | A Min | AA: 41.59 (+1.57s | 3.6%) | Wasatch Front Fish Market | 07/17/2025 | 2025 UTAGS LC Championships | |
| 156 | Natalia Grogan | 43.18 | 10 | A Min | AA: 41.59 (+1.59s | 3.7%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 157 | Aolani Hampton | 43.18 | 10 | A Min | AA: 41.59 (+1.59s | 3.7%) | Mission Viejo Nadadores | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 158 | Mingxuan Zhang | 43.19 | 10 | A Min | AA: 41.59 (+1.60s | 3.7%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 159 | Reese Miller | 43.20 | 10 | A Min | AA: 41.59 (+1.61s | 3.7%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 160 | Olivia Liu | 43.20 | 10 | A Min | AA: 41.59 (+1.61s | 3.7%) | Riptide Swim Team | 06/13/2025 | 2025 MN RSC Summerfest | |
| 161 | Aubrey Lee | 43.21 | 10 | A Min | AA: 41.59 (+1.62s | 3.7%) | Irvine Novaquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 162 | Journey Maus | 43.22 | 10 | A Min | AA: 41.59 (+1.63s | 3.8%) | Gulf Coast Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 163 | Eloise Chau | 43.27 | 10 | A Min | AA: 41.59 (+1.68s | 3.9%) | Sarasota Tsunami Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 164 | Raini Kendall | 43.29 | 10 | A Min | AA: 41.59 (+1.70s | 3.9%) | Bend Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 165 | Moriah Steward | 43.30 | 10 | A Min | AA: 41.59 (+1.71s | 3.9%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 166 | Samantha Didier | 43.31 | 10 | A Min | AA: 41.59 (+1.72s | 4.0%) | Streamline Aquatics | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 167 | Maggie Qi | 43.35 | 10 | A Min | AA: 41.59 (+1.76s | 4.1%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 168 | Avery Van Maasdam | 43.35 | 10 | A Min | AA: 41.59 (+1.76s | 4.1%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 169 | Aria Panghal | 43.35 | 9 | A Min | AA: 41.59 (+1.76s | 4.1%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 170 | Libby Vaughn | 43.38 | 10 | A Min | AA: 41.59 (+1.79s | 4.1%) | Massillon YMCA Gators | 05/31/2025 | CCS Age Group And Open Long Course Meet | |
| 171 | Sage Griffiths | 43.44 | 10 | A Min | AA: 41.59 (+1.85s | 4.3%) | Montverde Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 172 | Evelyn Voorhees Byrne | 43.47 | 10 | A Min | AA: 41.59 (+1.88s | 4.3%) | The Spartans of La Canada | 06/12/2025 | 2025 June Age Group Invite | |
| 173 | Ainslee O'Neal | 43.47 | 10 | A Min | AA: 41.59 (+1.88s | 4.3%) | Laker Swim | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 174 | Julianne Ambrozic | 43.48 | 10 | A Min | AA: 41.59 (+1.89s | 4.3%) | Seattle Metropolitan Aquatic C | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 175 | Katheryn Bracht | 43.49 | 9 | A Min | AA: 41.59 (+1.90s | 4.4%) | Sandpoint Sharks Swim Club | 06/20/2025 | 2025 SWAT Summer Solstice | |
| 176 | Sophia Pitts | 43.50 | 10 | A Min | AA: 41.59 (+1.91s | 4.4%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 177 | Elena Dumitrascu | 43.51 | 10 | A Min | AA: 41.59 (+1.92s | 4.4%) | Nampa Swim Team | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 178 | Zoe Chan | 43.56 | 10 | A Min | AA: 41.59 (+1.97s | 4.5%) | Fog City Hammerheads | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 179 | Aubree Richards | 43.59 | 9 | A Min | AA: 41.59 (+2.00s | 4.6%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 180 | Maggie Wilson | 43.61 | 10 | BB Min | A: 43.59 (+0.02s | 0.0%) | Unattached | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 181 | Jane Gardner | 43.63 | 10 | BB Min | A: 43.59 (+0.04s | 0.1%) | Hilltop Aquatic Swim Team | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 182 | Yunshu Li | 43.66 | 10 | BB Min | A: 43.59 (+0.07s | 0.2%) | Seattle Metropolitan Aquatic C | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 183 | Kaden Salvage | 43.67 | 10 | BB Min | A: 43.59 (+0.08s | 0.2%) | West Coast Aquatics | 04/25/2025 | 2025 PN KING Spring Derby | |
| 184 | Lauren Lucero | 43.67 | 10 | BB Min | A: 43.59 (+0.08s | 0.2%) | The Spartans of La Canada | 06/13/2024 | 2024 CA SCS CANY June Age Group Invite | |
| 185 | Natalia Torres | 43.67 | 9 | BB Min | A: 43.59 (+0.08s | 0.2%) | Tule Nation Tritons | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 186 | Jordan Winters | 43.68 | 10 | BB Min | A: 43.59 (+0.09s | 0.2%) | South Orange County Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 187 | Zoey Wen | 43.70 | 10 | BB Min | A: 43.59 (+0.11s | 0.3%) | Cerritos Aquatic Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 188 | Zhizhi Ji | 43.72 | 10 | BB Min | A: 43.59 (+0.13s | 0.3%) | Wave Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 189 | Hannah Rodriguez | 43.77 | 10 | BB Min | A: 43.59 (+0.18s | 0.4%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 190 | Brynn Brewster | 43.87 | 10 | BB Min | A: 43.59 (+0.28s | 0.6%) | Foothills Swim Team | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 191 | Eleanor Amys-Roe | 43.88 | 10 | BB Min | A: 43.59 (+0.29s | 0.7%) | Northfield Swim Club | 05/16/2025 | 2025 MN STRM Spring Startup | |
| 192 | Alexis Liao | 43.90 | 10 | BB Min | A: 43.59 (+0.31s | 0.7%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 193 | Mackenzie Tidwell | 43.91 | 10 | BB Min | A: 43.59 (+0.32s | 0.7%) | Sandpipers of Nevada | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 194 | Ellie Rasmussen | 43.93 | 10 | BB Min | A: 43.59 (+0.34s | 0.8%) | Sandpipers of Nevada | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 195 | Camila Cepparo | 43.93 | 10 | BB Min | A: 43.59 (+0.34s | 0.8%) | Unattached | 07/25/2025 | 2025 ST AAAA NE LC End Of Season Splash | |
| 196 | Evelynn Delaney | 43.95 | 10 | BB Min | A: 43.59 (+0.36s | 0.8%) | Granite City Aquatics | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 197 | Lacey Durden | 44.01 | 10 | BB Min | A: 43.59 (+0.42s | 1.0%) | Riptide Aquatics | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 198 | Darcy Tanner | 44.01 | 9 | BB Min | A: 43.59 (+0.42s | 1.0%) | Layton Surfers | 07/17/2025 | 2025 UTAGS LC Championships | |
| 199 | Alyse Tang | 44.03 | 10 | BB Min | A: 43.59 (+0.44s | 1.0%) | South San Francisco Aquatics | 06/06/2025 | BAC C B A Meet | |
| 200 | Rebekah Lucero | 44.06 | 10 | BB Min | A: 43.59 (+0.47s | 1.1%) | Canyons Aquatic Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
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.