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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3301 | Giuliana Lacaria | 49.64 | 10 | B Min | BB: 48.69 (+0.95s | 1.9%) | Mecklenburg Swim Association | 12/05/2025 | ATOM Winter Invite 2025 | |
| 3302 | Addison Magie | 49.64 | 10 | B Min | BB: 48.69 (+0.95s | 1.9%) | Cortez Water Dragons | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | |
| 3303 | Isabella Xu | 49.65 | 10 | B Min | BB: 48.69 (+0.96s | 1.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 3304 | Maryann Stapley | 49.65 | 9 | B Min | BB: 48.69 (+0.96s | 1.9%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 3305 | Kao Okumura | 49.65 | 10 | B Min | BB: 48.69 (+0.96s | 1.9%) | Portland Aquatic Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
| 3306 | Brooklyn Mathis | 49.65 | 8 | B Min | BB: 48.69 (+0.96s | 1.9%) | Seahawks Swim Team | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 3307 | Marin Tester | 49.66 | 10 | B Min | BB: 48.69 (+0.97s | 2.0%) | YMCA of the Triangle Area Swim | 11/21/2025 | 2025 YOTA Arena Turkey Classic | |
| 3308 | Kylie Hostetler | 49.66 | 10 | B Min | BB: 48.69 (+0.97s | 2.0%) | Seahawk Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 3309 | Naeema Jallow | 49.66 | 10 | B Min | BB: 48.69 (+0.97s | 2.0%) | Bayside Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 3310 | Kara Long | 49.66 | 9 | B Min | BB: 48.69 (+0.97s | 2.0%) | Firestone Akron Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 3311 | Madeline Grempler | 49.66 | 10 | B Min | BB: 48.69 (+0.97s | 2.0%) | Fox Swim Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 3312 | Louise Shannon | 49.67 | 10 | B Min | BB: 48.69 (+0.98s | 2.0%) | West Valley Aquatics | 10/24/2025 | SSC Witchy Waters 2025 | |
| 3313 | Zumkar Choying | 49.67 | 9 | B Min | BB: 48.69 (+0.98s | 2.0%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 3314 | Brett Fluharty | 49.67 | 9 | B Min | BB: 48.69 (+0.98s | 2.0%) | Tampa Yacht & Country Club Swi | 05/02/2026 | 57th Annual CYC Dick Smith Invitational | |
| 3315 | Stella Mahan | 49.67 | 10 | B Min | BB: 48.69 (+0.98s | 2.0%) | Minnetonka Swim Club | 12/06/2024 | 2024 MN AQJT 14 U Single Age State Meet | |
| 3316 | Margaret Pawlowski | 49.67 | 10 | B Min | BB: 48.69 (+0.98s | 2.0%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 3317 | Rosie Kovinsky | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Scott Valley Sea Serpents | 11/23/2024 | Thankswimming Classic 2024 | |
| 3318 | Lyza Esterson | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Salem Swim Club | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 3319 | Shanaya Bisani | 49.68 | 9 | B Min | BB: 48.69 (+0.99s | 2.0%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3320 | Savannah DeMarino | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Mason Makos Swim Team | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 3321 | Emma Wang | 49.68 | 8 | B Min | BB: 48.69 (+0.99s | 2.0%) | Oly Swimming | 01/10/2026 | 2026 PA Invite | |
| 3322 | Annabel Wall | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Fairland Aquatic Swim Team | 10/04/2025 | 2025 TSAC Fall Classic | |
| 3323 | Ryan Mackeever | 49.68 | 9 | B Min | BB: 48.69 (+0.99s | 2.0%) | Metro Surge Aquatic Club | 10/10/2025 | 2025 757 Swim IMX IMR Kickoff Meet | |
| 3324 | Nora Kram | 49.68 | 9 | B Min | BB: 48.69 (+0.99s | 2.0%) | Aqua Culture Swim School | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 3325 | Elsa Lehner | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Alamo Area Aquatic Association | 11/22/2024 | 2024 ST AAAA SW SCY Harvest Hustle | |
| 3326 | Isabelle Mrakovcic | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 3327 | Margaret Hueston | 49.68 | 10 | B Min | BB: 48.69 (+0.99s | 2.0%) | New Wave Swim Team | 01/16/2026 | 2026 RSA Winter Tri | |
| 3328 | Hattie Johnson | 49.69 | 9 | B Min | BB: 48.69 (+1.00s | 2.0%) | Greensboro Community YMCA | 01/23/2026 | GCY Winter Meet 2026 | |
| 3329 | Lyla Solomon | 49.69 | 10 | B Min | BB: 48.69 (+1.00s | 2.0%) | Columbia Aquatics Association | 01/03/2026 | 2026 ASTS Invitational | |
| 3330 | Kanna Matsushita | 49.69 | 10 | B Min | BB: 48.69 (+1.00s | 2.0%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 3331 | Florence Mason | 49.69 | 10 | B Min | BB: 48.69 (+1.00s | 2.0%) | Lahaina Swim Club | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 3332 | Mary Rickard | 49.69 | 10 | B Min | BB: 48.69 (+1.00s | 2.0%) | Pine Bush Piranhas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 3333 | Lilly Felipe | 49.70 | 9 | B Min | BB: 48.69 (+1.01s | 2.0%) | Kips Bay Makos | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 3334 | Alice Bose | 49.70 | 10 | B Min | BB: 48.69 (+1.01s | 2.0%) | Portland Porpoise Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 3335 | Emma Cronin | 49.70 | 9 | B Min | BB: 48.69 (+1.01s | 2.0%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 3336 | Madelyn Benfield | 49.70 | 9 | B Min | BB: 48.69 (+1.01s | 2.0%) | Star Aquatics | 10/24/2025 | 2025 BAC Halloween Bash | |
| 3337 | Shay Miner | 49.70 | 10 | B Min | BB: 48.69 (+1.01s | 2.0%) | Life Time Colorado Swim Club | 02/01/2026 | 2026 CO FORM February Freeze | |
| 3338 | Sophia Coy | 49.70 | 10 | B Min | BB: 48.69 (+1.01s | 2.0%) | Dexter Community Aquatic Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3339 | Annie Wang | 49.70 | 9 | B Min | BB: 48.69 (+1.01s | 2.0%) | YMCA of Middletown Barracudas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 3340 | Jane Gardner | 49.71 | 10 | B Min | BB: 48.69 (+1.02s | 2.1%) | Hilltop Aquatic Swim Team | 10/15/2025 | 2025 UT HAST Monster Mash Meet | |
| 3341 | Maria del Rio | 49.71 | 9 | B Min | BB: 48.69 (+1.02s | 2.1%) | Boothbay Region YMCA Dolphins | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 3342 | Alexandra Dour | 49.71 | 10 | B Min | BB: 48.69 (+1.02s | 2.1%) | Huntsville Swim Association | 02/20/2026 | 2026 SE Auburn Classic | |
| 3343 | Marigold Talbott | 49.71 | 10 | B Min | BB: 48.69 (+1.02s | 2.1%) | Warrior Aquatic Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 3344 | Callie Rankin | 49.71 | 10 | B Min | BB: 48.69 (+1.02s | 2.1%) | Frederick Area Swim Team | 01/11/2026 | 2026 FOX January Distance Sprint Meet | |
| 3345 | Tayren Mahaulu | 49.71 | 9 | B Min | BB: 48.69 (+1.02s | 2.1%) | Warrior Aquatic Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 3346 | Paige Siler | 49.71 | 9 | B Min | BB: 48.69 (+1.02s | 2.1%) | Badger Swim Club,Inc. | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 3347 | Avery Etris | 49.72 | 10 | B Min | BB: 48.69 (+1.03s | 2.1%) | York Swim Club of Northern Vir | 11/21/2025 | 2025 Swim Rock | |
| 3348 | Ariana Angel | 49.72 | 10 | B Min | BB: 48.69 (+1.03s | 2.1%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 3349 | Madden Lowrey | 49.72 | 10 | B Min | BB: 48.69 (+1.03s | 2.1%) | Brownell Talbot | 02/01/2026 | BLCK MW BT Last Chance | |
| 3350 | Elsa Wang | 49.72 | 10 | B Min | BB: 48.69 (+1.03s | 2.1%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
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.