USA Girls 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Anna Makovski | 51.20 | 10 | BB Min | A: 48.79 (+2.41s | 4.7%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 402 | Ana Mogollon Velasquez | 51.22 | 9 | BB Min | A: 48.79 (+2.43s | 4.7%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 403 | Clementine Mitchell | 51.23 | 9 | BB Min | A: 48.79 (+2.44s | 4.8%) | Sierra Marlins Swim Team | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 404 | Amelia Mejias Busch | 51.24 | 10 | BB Min | A: 48.79 (+2.45s | 4.8%) | Highlander Aquatic Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 405 | Zhizhi Ji | 51.24 | 10 | BB Min | A: 48.79 (+2.45s | 4.8%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 406 | Abigail Sandy | 51.29 | 10 | BB Min | A: 48.79 (+2.50s | 4.9%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 407 | Aaira Jain | 51.31 | 9 | BB Min | A: 48.79 (+2.52s | 4.9%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 408 | Emma Uchida | 51.32 | 10 | BB Min | A: 48.79 (+2.53s | 4.9%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 409 | Mackinley Mills | 51.33 | 10 | BB Min | A: 48.79 (+2.54s | 4.9%) | South Lake Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 410 | Claire Johnson | 51.34 | 9 | BB Min | A: 48.79 (+2.55s | 5.0%) | San Gabriel Aquatics | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 411 | Adalynn Stallcup | 51.35 | 10 | BB Min | A: 48.79 (+2.56s | 5.0%) | Sporting Jax Aquatic Club | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 412 | Mia Tursic | 51.36 | 10 | BB Min | A: 48.79 (+2.57s | 5.0%) | Kearns Youth Aquatic Team | 06/27/2025 | WFFM Red White And Black 2025 | |
| 413 | Emily Downs | 51.37 | 9 | BB Min | A: 48.79 (+2.58s | 5.0%) | Valley Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 414 | Leona Wang | 51.38 | 10 | BB Min | A: 48.79 (+2.59s | 5.0%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 415 | Grace Miller | 51.39 | 10 | BB Min | A: 48.79 (+2.60s | 5.1%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 416 | Shai Williams | 51.40 | 10 | BB Min | A: 48.79 (+2.61s | 5.1%) | Riptide Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 417 | Katja Paterson | 51.41 | 10 | BB Min | A: 48.79 (+2.62s | 5.1%) | Team Eugene Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 418 | Summer Draper | 51.41 | 9 | BB Min | A: 48.79 (+2.62s | 5.1%) | Piranhas YMCA of the Suncoast | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 419 | Eve Koshinomi | 51.41 | 10 | BB Min | A: 48.79 (+2.62s | 5.1%) | Parrish Bull Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 420 | Zoe Jarc | 51.42 | 10 | BB Min | A: 48.79 (+2.63s | 5.1%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 421 | Parisa Randolph | 51.45 | 10 | BB Min | A: 48.79 (+2.66s | 5.2%) | Pine Crest Swim Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 422 | Ainsley Reeves | 51.45 | 8 | BB Min | A: 48.79 (+2.66s | 5.2%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 423 | Alexandrina Cardoso | 51.47 | 10 | BB Min | A: 48.79 (+2.68s | 5.2%) | Edina Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 424 | Ellie Hsu | 51.51 | 10 | BB Min | A: 48.79 (+2.72s | 5.3%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 425 | Raegan Seker | 51.53 | 10 | BB Min | A: 48.79 (+2.74s | 5.3%) | Treasure Coast Aquatics | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 426 | Avery Bacci | 51.53 | 9 | BB Min | A: 48.79 (+2.74s | 5.3%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 427 | Sophia Pitts | 51.56 | 10 | BB Min | A: 48.79 (+2.77s | 5.4%) | Issaquah Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 428 | Raegan Berry | 51.58 | 10 | BB Min | A: 48.79 (+2.79s | 5.4%) | Flatiron Athletic Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 429 | Carleigh Mc Crea | 51.59 | 10 | BB Min | A: 48.79 (+2.80s | 5.4%) | Indian River Aquatics | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 430 | Hazel Xiong | 51.60 | 10 | BB Min | A: 48.79 (+2.81s | 5.4%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 431 | Eloise Biros | 51.61 | 10 | BB Min | A: 48.79 (+2.82s | 5.5%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 432 | Nicolette Lee | 51.62 | 9 | BB Min | A: 48.79 (+2.83s | 5.5%) | Aquajets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 433 | Alyssa Nakajima | 51.63 | 9 | BB Min | A: 48.79 (+2.84s | 5.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 434 | Katarina Saper | 51.64 | 10 | BB Min | A: 48.79 (+2.85s | 5.5%) | Eagle Aquatics | 04/18/2026 | SCS Under The Sun Invitational | |
| 435 | Shreya Srinath | 51.67 | 10 | BB Min | A: 48.79 (+2.88s | 5.6%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 436 | Avery Case | 51.68 | 9 | BB Min | A: 48.79 (+2.89s | 5.6%) | North Coast Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 437 | Maya Razdan | 51.69 | 10 | BB Min | A: 48.79 (+2.90s | 5.6%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 438 | Railynn James | 51.74 | 10 | BB Min | A: 48.79 (+2.95s | 5.7%) | Rushmore Swim Team | 12/21/2024 | DEC 2024 SD Black Hills Gold Pentathlon | |
| 439 | Elena Gwellem | 51.74 | 10 | BB Min | A: 48.79 (+2.95s | 5.7%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 440 | Karri Stewart | 51.77 | 9 | BB Min | A: 48.79 (+2.98s | 5.8%) | Houston Bridge Bats | 06/14/2025 | CCLR CEM Summer Beach Bash LCM Unclassified | |
| 441 | Isabel Ivanov | 51.78 | 8 | BB Min | A: 48.79 (+2.99s | 5.8%) | Tampa Bay Aquatic Club | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 442 | Sophie Wang | 51.79 | 10 | BB Min | A: 48.79 (+3.00s | 5.8%) | Chinook Aquatic Club | 05/02/2025 | 2025 PN BC May Flowers | |
| 443 | Julia LaDuc | 51.79 | 10 | BB Min | A: 48.79 (+3.00s | 5.8%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 444 | Mila Alcantara | 51.80 | 10 | BB Min | A: 48.79 (+3.01s | 5.8%) | Heritage Aquatic Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 445 | Natalie Saito | 51.81 | 10 | BB Min | A: 48.79 (+3.02s | 5.8%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 446 | Adelaide Johnson | 51.81 | 10 | BB Min | A: 48.79 (+3.02s | 5.8%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 447 | Skye Maldonado | 51.82 | 10 | BB Min | A: 48.79 (+3.03s | 5.8%) | Carson Tigersharks | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 448 | Alexa Rodde | 51.89 | 10 | BB Min | A: 48.79 (+3.10s | 6.0%) | Burlingame Aquatics | 06/27/2025 | Alto Summer Swelter | |
| 449 | Jalanah Deroze | 51.89 | 10 | BB Min | A: 48.79 (+3.10s | 6.0%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 450 | Evangeline Yeykal | 51.90 | 10 | BB Min | A: 48.79 (+3.11s | 6.0%) | Unattached | 05/17/2025 | 2025 PSA May Invite | |
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.