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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | Avery Kelsey | 50.20 | 9 | B Min | BB: 49.69 (+0.51s | 1.0%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 1202 | Aila Chisholm | 50.21 | 9 | B Min | BB: 49.69 (+0.52s | 1.0%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 1203 | Anna Grant | 50.21 | 8 | B Min | BB: 49.69 (+0.52s | 1.0%) | Swim Tampa Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 1204 | Kennedy Chang | 50.21 | 9 | B Min | BB: 49.69 (+0.52s | 1.0%) | Austin Swim Club | 05/01/2026 | 2026 ST HCA Long Course Invitational | |
| 1205 | Samira Makhzoumi | 50.23 | 9 | B Min | BB: 49.69 (+0.54s | 1.1%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1206 | Chloe Dentes | 50.23 | 8 | B Min | BB: 49.69 (+0.54s | 1.1%) | Eagle Aquatics | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1207 | Evelyn Tan | 50.23 | 10 | B Min | BB: 49.69 (+0.54s | 1.1%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1208 | Amelia Horng | 50.23 | 10 | B Min | BB: 49.69 (+0.54s | 1.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1209 | Sloan Morolez | 50.23 | 10 | B Min | BB: 49.69 (+0.54s | 1.1%) | Lone Star Aquatic Club | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 1210 | Brincely Braun | 50.24 | 9 | B Min | BB: 49.69 (+0.55s | 1.1%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1211 | Helen Zhang | 50.24 | 9 | B Min | BB: 49.69 (+0.55s | 1.1%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 1212 | Olivia Hernandez | 50.24 | 10 | B Min | BB: 49.69 (+0.55s | 1.1%) | Bend Swim Club | 05/02/2025 | Bend Swim Club May Invitational | |
| 1213 | Miranda Mojica Tob'as | 50.24 | 10 | B Min | BB: 49.69 (+0.55s | 1.1%) | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | ||
| 1214 | Chloe Xin | 50.25 | 8 | B Min | BB: 49.69 (+0.56s | 1.1%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1215 | Willow Flaherty | 50.26 | 10 | B Min | BB: 49.69 (+0.57s | 1.1%) | Foxjets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1216 | Halina Permar | 50.26 | 10 | B Min | BB: 49.69 (+0.57s | 1.1%) | Steel City Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 1217 | Izabella Mack | 50.26 | 7 | B Min | BB: 49.69 (+0.57s | 1.1%) | Hood River Valley Swim Team | 04/25/2026 | GACC Spring Invitational | |
| 1218 | Zara Mirkovic | 50.27 | 9 | B Min | BB: 49.69 (+0.58s | 1.2%) | Edina Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 1219 | Charlotte Switzer | 50.27 | 10 | B Min | BB: 49.69 (+0.58s | 1.2%) | Virginia Peninsulas YMCA Swim | 06/14/2024 | 2024 Winchester Long Course Inviational | |
| 1220 | Sullivan David | 50.29 | 9 | B Min | BB: 49.69 (+0.60s | 1.2%) | Lakeshore Swim Club | 05/16/2025 | Busbey Invitational 2025 | |
| 1221 | Lohitha Pusuluri | 50.30 | 10 | B Min | BB: 49.69 (+0.61s | 1.2%) | Edina Swim Club | 07/18/2025 | 2025 MN MAN Minnesota Regional Championship | |
| 1222 | Olive Mock | 50.30 | 9 | B Min | BB: 49.69 (+0.61s | 1.2%) | Hills Hurricane Swimming | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 1223 | Cora Stahl | 50.30 | 9 | B Min | BB: 49.69 (+0.61s | 1.2%) | Pierre Swim Team | 06/28/2025 | 2025 SD Summer Starter | |
| 1224 | Amelia Kam | 50.31 | 7 | B Min | BB: 49.69 (+0.62s | 1.2%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1225 | Sophia Rojas Marshall | 50.32 | 9 | B Min | BB: 49.69 (+0.63s | 1.3%) | Treasure Coast Aquatics | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 1226 | Francesca Solonskyi | 50.32 | 10 | B Min | BB: 49.69 (+0.63s | 1.3%) | SwimRise Aquatics | 05/03/2025 | SwimRise IMX IMR Challenge | |
| 1227 | Charlotte Vegdahl | 50.33 | 10 | B Min | BB: 49.69 (+0.64s | 1.3%) | South Metro Storm | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 1228 | Erika Cotter | 50.34 | 10 | B Min | BB: 49.69 (+0.65s | 1.3%) | St Croix Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1229 | Sophia Li | 50.34 | 9 | B Min | BB: 49.69 (+0.65s | 1.3%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1230 | Clara Novak | 50.35 | 10 | B Min | BB: 49.69 (+0.66s | 1.3%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 1231 | Karmyn Aiwohi | 50.35 | 10 | B Min | BB: 49.69 (+0.66s | 1.3%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 1232 | Fazia Cherik | 50.37 | 10 | B Min | BB: 49.69 (+0.68s | 1.4%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1233 | Abigail Messenger | 50.38 | 9 | B Min | BB: 49.69 (+0.69s | 1.4%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | |
| 1234 | Charlotte Kintz | 50.38 | 10 | B Min | BB: 49.69 (+0.69s | 1.4%) | Bay Club Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 1235 | Aliyah Pena | 50.39 | 9 | B Min | BB: 49.69 (+0.70s | 1.4%) | Unattached | 04/17/2026 | 2026 ST SAW Vs SASA Fiesta Showdown | |
| 1236 | Mallory Deen | 50.40 | 9 | B Min | BB: 49.69 (+0.71s | 1.4%) | Edina Swim Club | 07/12/2025 | 2025 MN BAC Last Chance Invitational | |
| 1237 | Selena Ramirez | 50.41 | 9 | B Min | BB: 49.69 (+0.72s | 1.4%) | Southwest Aquatic Warriors | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 1238 | Aubrey Larson | 50.41 | 9 | B Min | BB: 49.69 (+0.72s | 1.4%) | Mount Hood Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 1239 | Riley Suksumrit | 50.42 | 9 | B Min | BB: 49.69 (+0.73s | 1.4%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1240 | Yixin Liu | 50.42 | 9 | B Min | BB: 49.69 (+0.73s | 1.4%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1241 | Brooklyn Gregory | 50.42 | 8 | B Min | BB: 49.69 (+0.73s | 1.4%) | Mission Valley YMCA | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1242 | Sophia Xie | 50.42 | 9 | B Min | BB: 49.69 (+0.73s | 1.4%) | Atlantic Coast Athletic Club | 07/12/2024 | 2024 CCA Summer Awards | |
| 1243 | Katarina Saper | 50.42 | 10 | B Min | BB: 49.69 (+0.73s | 1.4%) | Eagle Aquatics | 04/18/2026 | SCS Under The Sun Invitational | |
| 1244 | Emma Garcia | 50.43 | 9 | B Min | BB: 49.69 (+0.74s | 1.5%) | Flagler Fluid Swim Team | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 1245 | Vivienne Jameson | 50.45 | 10 | B Min | BB: 49.69 (+0.76s | 1.5%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 1246 | Jaclyn Kennedy | 50.45 | 10 | B Min | BB: 49.69 (+0.76s | 1.5%) | El Paso Aqua Posse | 07/19/2024 | 2024 BD LCM Border Champs | |
| 1247 | Monika Dean | 50.45 | 10 | B Min | BB: 49.69 (+0.76s | 1.5%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1248 | Charlee James | 50.47 | 9 | B Min | BB: 49.69 (+0.78s | 1.5%) | Coastal Aquatic Club | 04/25/2025 | 14th Annual JAX50 Sprint Dual Challenge | |
| 1249 | Mallory Wade | 50.48 | 8 | B Min | BB: 49.69 (+0.79s | 1.6%) | Castle Rock Swimming | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 1250 | Victoria Morris | 50.48 | 9 | B Min | BB: 49.69 (+0.79s | 1.6%) | Storm Aquatics Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
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.