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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3451 | Matilda Coslovich | 52.84 | 10 | B Min | BB: 49.69 (+3.15s | 6.0%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 3452 | Mina Zhang | 52.84 | 8 | B Min | BB: 49.69 (+3.15s | 6.0%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 3453 | Etta Richey | 52.84 | 9 | B Min | BB: 49.69 (+3.15s | 6.0%) | Quest Swimming | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 3454 | Rowan McPhie | 52.84 | 9 | B Min | BB: 49.69 (+3.15s | 6.0%) | Cincinnati Aquatic Club | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 3455 | Furyan Abdullah | 52.84 | 9 | B Min | BB: 49.69 (+3.15s | 6.0%) | Legacy Aquatics | 07/05/2025 | 2025 OR CRST Summer Blast 3 | |
| 3456 | Eva Sule | 52.84 | 10 | B Min | BB: 49.69 (+3.15s | 6.0%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | |
| 3457 | Kieren Killoran-Martinez | 52.85 | 9 | B Min | BB: 49.69 (+3.16s | 6.0%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 3458 | Corinne Barry | 52.85 | 9 | B Min | BB: 49.69 (+3.16s | 6.0%) | YMCA of the Triangle Area Swim | 05/15/2026 | 2026 EAC Memorial Invite | |
| 3459 | Rhea Kovvuri | 52.85 | 10 | B Min | BB: 49.69 (+3.16s | 6.0%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 3460 | Antonia Scheinfeld | 52.86 | 10 | B Min | BB: 49.69 (+3.17s | 6.0%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 3461 | Harper Zidek | 52.86 | 9 | B Min | BB: 49.69 (+3.17s | 6.0%) | Alamo Area Aquatic Association | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 3462 | Emery Wolfe | 52.86 | 7 | B Min | BB: 49.69 (+3.17s | 6.0%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 3463 | Sophia Korfias | 52.87 | 9 | B Min | BB: 49.69 (+3.18s | 6.0%) | Revolution Swim Club | 05/01/2026 | 2026 NE CS Spring Fling | |
| 3464 | Reagan Enderle | 52.87 | 9 | B Min | BB: 49.69 (+3.18s | 6.0%) | West Fargo Flyers | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 3465 | Florence Jarin | 52.87 | 10 | B Min | BB: 49.69 (+3.18s | 6.0%) | YMCA of Central Florida | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 3466 | Shakti Sonje | 52.87 | 9 | B Min | BB: 49.69 (+3.18s | 6.0%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 3467 | Serena Phadke | 52.87 | 10 | B Min | BB: 49.69 (+3.18s | 6.0%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 3468 | Aubrey Eberson | 52.88 | 10 | B Min | BB: 49.69 (+3.19s | 6.0%) | Nocatee Bluetide Swim Team | 06/26/2026 | 2026 SwimRise Season Finale | |
| 3469 | Riley Acosta | 52.88 | 9 | B Min | BB: 49.69 (+3.19s | 6.0%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 3470 | Nika Tarapore | 52.88 | 10 | B Min | BB: 49.69 (+3.19s | 6.0%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 3471 | Jane Rhinesmith | 52.89 | 9 | B Min | BB: 49.69 (+3.20s | 6.1%) | Charles River Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 3472 | Elizabeth Thomas | 52.89 | 9 | B Min | BB: 49.69 (+3.20s | 6.1%) | Cardinal Aquatics | 05/08/2026 | 2026 Cardinal Aquatics Summer Throwdown | |
| 3473 | Madelyn McShane | 52.89 | 9 | B Min | BB: 49.69 (+3.20s | 6.1%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 3474 | Evelyn Armbrister | 52.89 | 10 | B Min | BB: 49.69 (+3.20s | 6.1%) | YMCA of South Florida | 05/22/2026 | 2026 Terrapin Invite | |
| 3475 | Aubree Charlesworth | 52.89 | 9 | B Min | BB: 49.69 (+3.20s | 6.1%) | Maverick Aquatics | 07/11/2025 | 2025 CO Western Slope LeagueChampionships | |
| 3476 | Alexiana Nash | 52.89 | 9 | B Min | BB: 49.69 (+3.20s | 6.1%) | Etown Dolphins | 05/15/2026 | 2026 Officially Summer Invitational | |
| 3477 | Ella Garcia | 52.89 | 10 | B Min | BB: 49.69 (+3.20s | 6.1%) | El Paso Aqua Posse | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 3478 | Darcy Lin | 52.89 | 8 | B Min | BB: 49.69 (+3.20s | 6.1%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 3479 | Maylani Sayavong | 52.90 | 10 | B Min | BB: 49.69 (+3.21s | 6.1%) | Gator Swim Club | 06/25/2026 | 2026 FAST Independence Invitational | |
| 3480 | Harper Galuska | 52.90 | 9 | B Min | BB: 49.69 (+3.21s | 6.1%) | Minnetonka Swim Club | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 3481 | Aspyn Stewart | 52.90 | 10 | B Min | BB: 49.69 (+3.21s | 6.1%) | Bangor YMCA Barracudas | 05/30/2026 | 2026 NE NSSC May Invitational At Colby | |
| 3482 | Ellery Mueller | 52.91 | 10 | B Min | BB: 49.69 (+3.22s | 6.1%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 3483 | Caroline Erickson | 52.91 | 9 | B Min | BB: 49.69 (+3.22s | 6.1%) | Commonwealth Swimming | 05/01/2026 | 2026 NE CS Spring Fling | |
| 3484 | Norah Zhao | 52.91 | 9 | B Min | BB: 49.69 (+3.22s | 6.1%) | Portland Aquatic Club | 05/30/2026 | LCSC Summer Kickoff Meet Copied | |
| 3485 | Adalynn Dunlap | 52.91 | 8 | B Min | BB: 49.69 (+3.22s | 6.1%) | Tide Swimming | 05/01/2026 | 2026 TIDE Spring Shockwave | |
| 3486 | Harriet Winship | 52.91 | 10 | B Min | BB: 49.69 (+3.22s | 6.1%) | Univ. of Denver Hilltoppers | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 3487 | Zoe Seibel | 52.92 | 10 | B Min | BB: 49.69 (+3.23s | 6.1%) | Falfins Swimming | 06/05/2026 | 2026 COSA Long Couse Open | |
| 3488 | Kathryn Barrett | 52.93 | 10 | B Min | BB: 49.69 (+3.24s | 6.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 3489 | Laurel Nelson | 52.93 | 8 | B Min | BB: 49.69 (+3.24s | 6.1%) | Woodmoor Tsunamis Swim Team | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 3490 | Laura Francis | 52.94 | 10 | B Min | BB: 49.69 (+3.25s | 6.1%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 3491 | Ella Melancon | 52.95 | 10 | B Min | BB: 49.69 (+3.26s | 6.2%) | Coronado Swim -team Elite | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 3492 | Afton Bugin | 52.95 | 7 | B Min | BB: 49.69 (+3.26s | 6.2%) | Hanover Aquatics | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 3493 | Claire Zhao | 52.95 | 9 | B Min | BB: 49.69 (+3.26s | 6.2%) | YMCA of Greater Nashua Storm | 06/26/2026 | 2026 NE YNS June Prelims Finals Meet | |
| 3494 | Nya Hilderbrand | 52.95 | 9 | B Min | BB: 49.69 (+3.26s | 6.2%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 3495 | Lillian Jones | 52.95 | 9 | B Min | BB: 49.69 (+3.26s | 6.2%) | Mecklenburg Swim Association | 06/20/2026 | 2026 NCS QCD Long Course Invite | |
| 3496 | Liv Goldman | 52.95 | 9 | B Min | BB: 49.69 (+3.26s | 6.2%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 3497 | Ruby Kulper | 52.96 | 9 | B Min | BB: 49.69 (+3.27s | 6.2%) | Bainbridge Island Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 3498 | Harper Cress | 52.96 | 8 | B Min | BB: 49.69 (+3.27s | 6.2%) | Gulf Coast Swim Team | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 3499 | Lea Newby | 52.96 | 9 | B Min | BB: 49.69 (+3.27s | 6.2%) | Huntsville Swim Association | 04/18/2026 | HSA April LC Meet | |
| 3500 | Zoe Davis | 52.97 | 10 | B Min | BB: 49.69 (+3.28s | 6.2%) | SwimMAC Carolina | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
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.