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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2451 | Marcella Gatto | 47.05 | 9 | BB Min | A: 42.79 (+4.26s | 9.1%) | MN Flyers Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 2452 | Caroline Gates | 47.05 | 10 | BB Min | A: 42.79 (+4.26s | 9.1%) | Plymouth Canton Cruisers | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 2453 | Vanessa Pham | 47.05 | 9 | BB Min | A: 42.79 (+4.26s | 9.1%) | Nitro Swimming | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 2454 | Emma Nakano | 47.05 | 10 | BB Min | A: 42.79 (+4.26s | 9.1%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 2455 | Mavis McClafferty | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Columbia River Swim Team | 10/11/2025 | LA Fall Kick Off 2025 | |
| 2456 | Molly Hall | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 2457 | Rachel Li | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | California Dolphins Swim Team | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 2458 | Sydney Noblett | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | YMCA of Northwest North Caroli | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2459 | Brailey Adams | 47.06 | 9 | BB Min | A: 42.79 (+4.27s | 9.1%) | Razor Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 2460 | Catherine Ye | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Commonwealth Swimming | 11/21/2025 | 2025 NE ABF Nov Trials And Final Meet | |
| 2461 | Nora Ghermanschi | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Legacy Aquatics | 01/18/2025 | 2025 Thunderbolt Round Robin Invitational | |
| 2462 | Averie Mak | 47.07 | 9 | BB Min | A: 42.79 (+4.28s | 9.1%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 2463 | Juliette Roslyn | 47.07 | 10 | BB Min | A: 42.79 (+4.28s | 9.1%) | North Bay Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 2464 | Emma Zhao | 47.07 | 10 | BB Min | A: 42.79 (+4.28s | 9.1%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 2465 | Kyla Parnell | 47.07 | 9 | BB Min | A: 42.79 (+4.28s | 9.1%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
| 2466 | Waverly Cullen | 47.08 | 9 | BB Min | A: 42.79 (+4.29s | 9.1%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 2467 | Audrey Hristova | 47.08 | 9 | BB Min | A: 42.79 (+4.29s | 9.1%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 2468 | Micah Houchin | 47.08 | 10 | BB Min | A: 42.79 (+4.29s | 9.1%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 2469 | Emery Peterson | 47.08 | 9 | BB Min | A: 42.79 (+4.29s | 9.1%) | Lewis Clark Neptune Swim Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 2470 | Pearl Spaugy | 47.08 | 9 | BB Min | A: 42.79 (+4.29s | 9.1%) | Multnomah Athletic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2471 | Lili Wei | 47.09 | 10 | BB Min | A: 42.79 (+4.30s | 9.1%) | Bellevue Club Swim Team | 10/12/2024 | 2024 PN CSC Fall Classic Invitational | |
| 2472 | Sofia Alicea | 47.09 | 10 | BB Min | A: 42.79 (+4.30s | 9.1%) | Valley Shore YMCA Marlins | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 2473 | Hansini Martha | 47.09 | 10 | BB Min | A: 42.79 (+4.30s | 9.1%) | Pleasanton Seahawks | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 2474 | Ada Esparza | 47.09 | 10 | BB Min | A: 42.79 (+4.30s | 9.1%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 2475 | Austin Kurz | 47.09 | 10 | BB Min | A: 42.79 (+4.30s | 9.1%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 2476 | Zoe Uchimoto | 47.10 | 10 | BB Min | A: 42.79 (+4.31s | 9.2%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 2477 | Amelie Hussmann | 47.10 | 8 | BB Min | A: 42.79 (+4.31s | 9.2%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 2478 | Margot Meyer | 47.10 | 10 | BB Min | A: 42.79 (+4.31s | 9.2%) | Sioux Falls Swim Team | 01/23/2026 | SFST SD 2026 January Invite | |
| 2479 | Caroline Tucker | 47.10 | 10 | BB Min | A: 42.79 (+4.31s | 9.2%) | Tollefson Swimming | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2480 | Gabriella Vallerotto Quiros | 47.11 | 9 | BB Min | A: 42.79 (+4.32s | 9.2%) | Bolles School Sharks | 10/10/2025 | 2025 October Classic | |
| 2481 | Harper Hillis | 47.11 | 9 | BB Min | A: 42.79 (+4.32s | 9.2%) | Unattached | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 2482 | Mackenzie Clark | 47.11 | 10 | BB Min | A: 42.79 (+4.32s | 9.2%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | |
| 2483 | Charlotte Freed | 47.11 | 10 | BB Min | A: 42.79 (+4.32s | 9.2%) | Premier Aquatics Club of Klein | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 2484 | Ella Nixon | 47.11 | 9 | BB Min | A: 42.79 (+4.32s | 9.2%) | Club Husker | 11/22/2025 | 2025 MW HLA Goggle Gobble | |
| 2485 | Ella Boucher | 47.12 | 10 | BB Min | A: 42.79 (+4.33s | 9.2%) | New Wave Swim Team | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 2486 | Audrey Faris | 47.12 | 9 | BB Min | A: 42.79 (+4.33s | 9.2%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 2487 | Gloria Zhong | 47.12 | 8 | BB Min | A: 42.79 (+4.33s | 9.2%) | Flushing YMCA | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 2488 | Naiya Keys | 47.13 | 10 | BB Min | A: 42.79 (+4.34s | 9.2%) | Baker YMCA Swim Team | 05/03/2025 | 2025 Baker Dive Dash Progressive Swim Meet | |
| 2489 | Isabella White | 47.13 | 9 | BB Min | A: 42.79 (+4.34s | 9.2%) | Crawfish Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 2490 | Nora Bettis | 47.13 | 10 | BB Min | A: 42.79 (+4.34s | 9.2%) | Fox Swim Club | 01/11/2026 | 2026 FOX January Distance Sprint Meet | |
| 2491 | Sydney McFague | 47.13 | 8 | BB Min | A: 42.79 (+4.34s | 9.2%) | Monocacy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 2492 | Briar Burnett | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | Saluki Swim Club | 02/27/2026 | Ozark Division I Championship | |
| 2493 | Carolina Finazzo | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 2494 | Catherine Martin | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | Rye YMCA 2025-26 Waveryeders | 02/13/2026 | 39th Black History Swim Meet | |
| 2495 | Violet Fritsch | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 2496 | Emersyn Goff | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | Killer Whales Swim Club | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 2497 | Lydia Beischel | 47.15 | 10 | BB Min | A: 42.79 (+4.36s | 9.2%) | Cincinnati Marlins | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 2498 | Kenzie Orso | 47.15 | 10 | BB Min | A: 42.79 (+4.36s | 9.2%) | Saluki Swim Club | 02/27/2026 | Ozark Division I Championship | |
| 2499 | Angela Li | 47.15 | 10 | BB Min | A: 42.79 (+4.36s | 9.2%) | Cross Island YMCA Barracudas | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 2500 | Norah Hood | 47.15 | 9 | BB Min | A: 42.79 (+4.36s | 9.2%) | Old Dominion Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
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.