USA Girls 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2401 | Olive Mock | 42.02 | 9 | B Min | BB: 40.89 (+1.13s | 2.7%) | Hills Hurricane Swimming | 05/30/2026 | MAC May 30 LCM Block Party | |
| 2402 | Sarah Perman | 42.03 | 8 | B Min | BB: 40.89 (+1.14s | 2.7%) | Cincinnati Aquatic Club | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 2403 | Ally wei | 42.03 | 9 | B Min | BB: 40.89 (+1.14s | 2.7%) | Csp Tideriders | 04/17/2026 | 2026 METS Long Course Kickoff | |
| 2404 | Madelyn McNellis | 42.03 | 9 | B Min | BB: 40.89 (+1.14s | 2.7%) | Missoula YMCA Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 2405 | Amelia Knott | 42.03 | 10 | B Min | BB: 40.89 (+1.14s | 2.7%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 2406 | Carsyn Johnson | 42.04 | 9 | B Min | BB: 40.89 (+1.15s | 2.7%) | Accokeek Stroke Technique Swim | 08/06/2025 | 2025 Summer Elite Showcase | |
| 2407 | Anna Woodcock | 42.04 | 10 | B Min | BB: 40.89 (+1.15s | 2.7%) | Birmingham Swim League | 06/06/2026 | 2026 Jack Barnasastle Invitational | |
| 2408 | Bailey Butalla | 42.04 | 9 | B Min | BB: 40.89 (+1.15s | 2.7%) | Piranhas Swim Club | 06/26/2026 | 2026 MN PRNH Summer Chomp | |
| 2409 | Viola Johnson | 42.04 | 9 | B Min | BB: 40.89 (+1.15s | 2.7%) | Hastings Area Swim Team | 07/17/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 2410 | Anne Groves | 42.04 | 9 | B Min | BB: 40.89 (+1.15s | 2.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 2411 | Molly Carotenuto | 42.05 | 9 | B Min | BB: 40.89 (+1.16s | 2.8%) | Hillsborough Aquatic Club | 04/25/2026 | 2026 NCAC Quad Meet | |
| 2412 | Inara Carpenter | 42.06 | 9 | B Min | BB: 40.89 (+1.17s | 2.8%) | Valley Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 2413 | Stella Rush | 42.07 | 9 | B Min | BB: 40.89 (+1.18s | 2.8%) | Gsa | 04/17/2026 | 2026 STAR April Friday Night At The Races | |
| 2414 | Emelie Medina | 42.07 | 8 | B Min | BB: 40.89 (+1.18s | 2.8%) | FireFish Swim Team | 06/06/2026 | 2026 NE KING CAC Almost Summer Invite | |
| 2415 | Laurie Gaither | 42.07 | 9 | B Min | BB: 40.89 (+1.18s | 2.8%) | Aquatic Team Of Mecklenburg | 06/05/2026 | 2026 TEAM School S Out Summer Invite | |
| 2416 | Nandanapriya Nair | 42.07 | 9 | B Min | BB: 40.89 (+1.18s | 2.8%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 2417 | Pearl Spaugy | 42.07 | 10 | B Min | BB: 40.89 (+1.18s | 2.8%) | Multnomah Athletic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 2418 | Layla Ferguson | 42.08 | 9 | B Min | BB: 40.89 (+1.19s | 2.8%) | Just Care Aquatics Tritons | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 2419 | Inna Yoo | 42.08 | 10 | B Min | BB: 40.89 (+1.19s | 2.8%) | H2okie Aquatics | 06/13/2026 | 2026 BSC Model City Invitational | |
| 2420 | Tiffany Xiao | 42.08 | 10 | B Min | BB: 40.89 (+1.19s | 2.8%) | Orinda Aquatics | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 2421 | Olivia Mosquera | 42.09 | 9 | B Min | BB: 40.89 (+1.20s | 2.9%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 2422 | Cecilia Correira | 42.09 | 9 | B Min | BB: 40.89 (+1.20s | 2.9%) | Lakes Region Wavemakers | 06/26/2026 | 2026 NE MST ESC June Memorial | |
| 2423 | Siyana Pavlov | 42.09 | 10 | B Min | BB: 40.89 (+1.20s | 2.9%) | Boca Raton Swim Team | 05/22/2026 | 2026 Terrapin Invite | |
| 2424 | Shanaya Bisani | 42.09 | 9 | B Min | BB: 40.89 (+1.20s | 2.9%) | Denver Swim Academy | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 2425 | Noelle Gorrie | 42.10 | 8 | B Min | BB: 40.89 (+1.21s | 2.9%) | Legacy Aquatics | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 2426 | Shuwen Tan | 42.10 | 10 | B Min | BB: 40.89 (+1.21s | 2.9%) | Boys & Girls Club of SF | 06/12/2026 | BAC Long Course | |
| 2427 | Charlotte Wong | 42.11 | 10 | B Min | BB: 40.89 (+1.22s | 2.9%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 2428 | Alexiana Nash | 42.12 | 9 | B Min | BB: 40.89 (+1.23s | 2.9%) | Etown Dolphins | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 2429 | Hattie Martin | 42.12 | 10 | B Min | BB: 40.89 (+1.23s | 2.9%) | Riptide Swim Team | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2430 | Summer Polintan | 42.12 | 9 | B Min | BB: 40.89 (+1.23s | 2.9%) | Coronado Swim -team Elite | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 2431 | Tiffany Gao | 42.12 | 7 | B Min | BB: 40.89 (+1.23s | 2.9%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 2432 | Anja Biebl | 42.13 | 8 | B Min | BB: 40.89 (+1.24s | 2.9%) | St Croix Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2433 | Shayla Crocker | 42.13 | 9 | B Min | BB: 40.89 (+1.24s | 2.9%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 2434 | Evelyn Song | 42.13 | 9 | B Min | BB: 40.89 (+1.24s | 2.9%) | Crimson Aquatics | 05/30/2026 | 2026 NE RIAC Sail Away On The Ferry | |
| 2435 | Eleanor Ong | 42.13 | 9 | B Min | BB: 40.89 (+1.24s | 2.9%) | Life Time Southeast Swim Team | 06/06/2026 | 2026 Jack Barnasastle Invitational | |
| 2436 | Onika Wolfe | 42.13 | 7 | B Min | BB: 40.89 (+1.24s | 2.9%) | Saint Petersburg Aquatics | 06/26/2026 | 2026 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 2437 | Naomi Koschmann | 42.14 | 9 | B Min | BB: 40.89 (+1.25s | 3.0%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 2438 | Naomi Zhao | 42.14 | 10 | B Min | BB: 40.89 (+1.25s | 3.0%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2439 | Hailey Pugal | 42.14 | 8 | B Min | BB: 40.89 (+1.25s | 3.0%) | Nitro Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 2440 | Jane Senescu | 42.14 | 9 | B Min | BB: 40.89 (+1.25s | 3.0%) | Palo Alto Stanford Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 2441 | Harley Conners | 42.15 | 9 | B Min | BB: 40.89 (+1.26s | 3.0%) | Kentucky Aquatics | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 2442 | Sophia Wang | 42.15 | 9 | B Min | BB: 40.89 (+1.26s | 3.0%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 2443 | Lia Serkovich | 42.15 | 8 | B Min | BB: 40.89 (+1.26s | 3.0%) | Beaverton Area Aquatics Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 2444 | Marina Hicks | 42.16 | 9 | B Min | BB: 40.89 (+1.27s | 3.0%) | City of Mobile Swim Associatio | 04/18/2026 | 2026 CMSA First Chance LCM | |
| 2445 | Penelope Crowther | 42.16 | 9 | B Min | BB: 40.89 (+1.27s | 3.0%) | Instinct Swimming | 05/16/2026 | 2026 NE CS Spring Fever | |
| 2446 | Olivia LI | 42.16 | 10 | B Min | BB: 40.89 (+1.27s | 3.0%) | Scarlet Aquatics | 04/26/2026 | 2026 Scarlet April LC Invitational | |
| 2447 | Tahaswini Thota | 42.16 | 10 | B Min | BB: 40.89 (+1.27s | 3.0%) | Scarlet Aquatics | 04/26/2026 | 2026 Scarlet April LC Invitational | |
| 2448 | Isabella Zhang | 42.16 | 10 | B Min | BB: 40.89 (+1.27s | 3.0%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 2449 | Anniston Rimar | 42.17 | 10 | B Min | BB: 40.89 (+1.28s | 3.0%) | Gaston Gators | 06/06/2026 | SAC Summer Open | |
| 2450 | Eva Martinez | 42.17 | 8 | B Min | BB: 40.89 (+1.28s | 3.0%) | Centro Acuatico Universitario | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
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.