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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Nicolette Lee | 47.09 | 9 | BB Min | A: 43.59 (+3.50s | 7.4%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 452 | Piper Sheehan | 47.10 | 10 | BB Min | A: 43.59 (+3.51s | 7.5%) | Deadwood/Lead 76ers | 07/18/2025 | 2025 SD State Long Course Meet | |
| 453 | Sydney Harvey | 47.11 | 10 | BB Min | A: 43.59 (+3.52s | 7.5%) | Pikes Peak Athletics | 06/20/2025 | 2025 Falfins Long Course Open | |
| 454 | Evelyn Samborski | 47.11 | 10 | BB Min | A: 43.59 (+3.52s | 7.5%) | Highlands Ranch Aquatics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 455 | Charlotte Smith | 47.12 | 10 | BB Min | A: 43.59 (+3.53s | 7.5%) | Seattle Metropolitan Aquatic C | 05/02/2025 | 2025 THSC Spring Invitational | |
| 456 | Margaret DeSmidt | 47.12 | 10 | BB Min | A: 43.59 (+3.53s | 7.5%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 457 | Ana Calderon | 47.15 | 10 | BB Min | A: 43.59 (+3.56s | 7.6%) | Cypress Fairbanks Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 458 | Eliza Kanivas | 47.16 | 10 | BB Min | A: 43.59 (+3.57s | 7.6%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 459 | Naomi Freehill | 47.16 | 10 | BB Min | A: 43.59 (+3.57s | 7.6%) | Aquatex Swim & Water Polo Team | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 460 | Olivia Starkman Senn | 47.18 | 10 | BB Min | A: 43.59 (+3.59s | 7.6%) | Aquajets Swim Team | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 461 | Claire Baker | 47.18 | 10 | BB Min | A: 43.59 (+3.59s | 7.6%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 462 | Kai-Ning Sun | 47.18 | 10 | BB Min | A: 43.59 (+3.59s | 7.6%) | Aquajets Swim Team | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 463 | Scout Maxfield | 47.18 | 10 | BB Min | A: 43.59 (+3.59s | 7.6%) | Olympus Aquatics | 04/25/2025 | 2025 Stingrays LC Kickoff | |
| 464 | Natalie Adams | 47.19 | 9 | BB Min | A: 43.59 (+3.60s | 7.6%) | Nova of Virginia | 06/22/2024 | 2024 WAC Summer Sizzle Meet | |
| 465 | Indie Platt | 47.21 | 10 | BB Min | A: 43.59 (+3.62s | 7.7%) | Cedar Swim Club | 07/17/2025 | 2025 UTAGS LC Championships | |
| 466 | Lydia Kessler | 47.24 | 10 | BB Min | A: 43.59 (+3.65s | 7.7%) | Aberdeen Swim Club | 06/14/2024 | 2024 SD Aberdeen Summer High Point Swim Meet | |
| 467 | Lois Singer | 47.26 | 10 | BB Min | A: 43.59 (+3.67s | 7.8%) | Tuna Swim Club | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 468 | Emelia Johnson | 47.27 | 10 | BB Min | A: 43.59 (+3.68s | 7.8%) | South East Metro Sharks | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 469 | Kooper Large | 47.27 | 10 | BB Min | A: 43.59 (+3.68s | 7.8%) | Coeur D\\\\\\'alene Area Swim Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 470 | Laura Villanueva | 47.28 | 10 | BB Min | A: 43.59 (+3.69s | 7.8%) | Yankton Swim Team | 06/20/2025 | VAST SPLASH | |
| 471 | Hayden Gallagher | 47.28 | 10 | BB Min | A: 43.59 (+3.69s | 7.8%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 472 | Eliza Zhuang | 47.30 | 10 | BB Min | A: 43.59 (+3.71s | 7.8%) | Gator Swim Club | 03/28/2026 | EAJ Spring Into Long Course 2026 | |
| 473 | Aria Hou | 47.30 | 10 | B: 44.79 (+2.51s | 5.3%) | North Jeffco Swim Team | 07/25/2025 | 2025 CO CSI Age Group Championships | ||
| 474 | Kinley Saul | 47.31 | 10 | BB Min | A: 43.59 (+3.72s | 7.9%) | South Metro Storm | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 475 | Rose Griffis | 47.33 | 10 | BB Min | A: 43.59 (+3.74s | 7.9%) | West Florida Lightning Aquatic | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 476 | Ava Schinckel | 47.34 | 9 | BB Min | A: 43.59 (+3.75s | 7.9%) | Lakeshore Swim Club | 06/12/2025 | Holtrey Summer Classic | |
| 477 | Adelyn Pettigrew | 47.36 | 9 | BB Min | A: 43.59 (+3.77s | 8.0%) | Perry Aquatic Club | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 478 | Tessa Linsmeyer | 47.37 | 10 | BB Min | A: 43.59 (+3.78s | 8.0%) | Riptide Swim Team | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 479 | Maya Nathan | 47.38 | 10 | BB Min | A: 43.59 (+3.79s | 8.0%) | San Antonio Wave | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 480 | Carmela Allegra | 47.38 | 10 | BB Min | A: 43.59 (+3.79s | 8.0%) | Patriot Aquatics | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 481 | Isabel Stoddard | 47.39 | 9 | BB Min | A: 43.59 (+3.80s | 8.0%) | Cottonwood Heights Aquatics | 04/18/2025 | 2025 UVrays TriMeet CHAT SLC Legends | |
| 482 | Norah Smith | 47.39 | 10 | BB Min | A: 43.59 (+3.80s | 8.0%) | Area Tallahassee Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 483 | Aria Ferris | 47.40 | 9 | BB Min | A: 43.59 (+3.81s | 8.0%) | Aquawolves Swimming | 06/27/2025 | 2025 CO Zone 2 VMAC Meet | |
| 484 | Fabiana Silva | 47.40 | 10 | BB Min | A: 43.59 (+3.81s | 8.0%) | Sarasota Tsunami Swim Team | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 485 | Alayna Behrendsen | 47.41 | 10 | BB Min | A: 43.59 (+3.82s | 8.1%) | Spartan Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 486 | Harper Foust | 47.42 | 10 | BB Min | A: 43.59 (+3.83s | 8.1%) | Colonel Crawford Swim Team | 06/27/2025 | 2025 55th FREEDLANDER MEET | |
| 487 | Hattie Amsel | 47.43 | 9 | BB Min | A: 43.59 (+3.84s | 8.1%) | Austin Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 488 | Kora Lind | 47.44 | 10 | BB Min | A: 43.59 (+3.85s | 8.1%) | Vermillion Area Swim Team | 06/28/2024 | 2024 SD SFST June Invite | |
| 489 | Amira Abel | 47.45 | 7 | BB Min | A: 43.59 (+3.86s | 8.1%) | Hydro Swim Club | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 490 | Samantha Millen | 47.47 | 10 | BB Min | A: 43.59 (+3.88s | 8.2%) | Lakeshore Swim Club | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 491 | Elsa Uguagliati | 47.47 | 9 | BB Min | A: 43.59 (+3.88s | 8.2%) | Austin Swim Club | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 492 | Amelia Dawson | 47.47 | 10 | BB Min | A: 43.59 (+3.88s | 8.2%) | Tri-city Channel Cats | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 493 | Daphne Larsen | 47.50 | 10 | BB Min | A: 43.59 (+3.91s | 8.2%) | Monterey Bay Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 494 | Addison Pitz | 47.50 | 9 | BB Min | A: 43.59 (+3.91s | 8.2%) | Sioux Falls Swim Team | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 495 | Kjerstin Zeuli | 47.51 | 10 | BB Min | A: 43.59 (+3.92s | 8.3%) | Rochester Swim Club | 06/20/2025 | 2025 MN MAN Red White Blue Invite | |
| 496 | Nathalie Bieler | 47.51 | 10 | BB Min | A: 43.59 (+3.92s | 8.3%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 497 | Emma Shields | 47.51 | 8 | BB Min | A: 43.59 (+3.92s | 8.3%) | Longhorn Aquatics | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 498 | Finnley Strickland | 47.53 | 10 | BB Min | A: 43.59 (+3.94s | 8.3%) | Area Tallahassee Aquatic Club | 06/27/2025 | ATAC Long Course | |
| 499 | Claire Rasband | 47.54 | 10 | BB Min | A: 43.59 (+3.95s | 8.3%) | Wasatch Swim Club | 07/17/2025 | 2025 UTAGS LC Championships | |
| 500 | Stella Wang | 47.55 | 10 | BB Min | A: 43.59 (+3.96s | 8.3%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
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.