USA Girls 10 & under - 50 Y 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 | Olive Bastos | 36.04 | 10 | AA Min | AAA: 34.39 (+1.65s | 4.6%) | Hockomock Area YMCA Lightning | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 452 | Isabella Tsui | 36.04 | 8 | AA Min | AAA: 34.39 (+1.65s | 4.6%) | Pacific Dragons Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 453 | Claire Schen | 36.04 | 10 | AA Min | AAA: 34.39 (+1.65s | 4.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 454 | Mia Valdiviezo | 36.07 | 10 | AA Min | AAA: 34.39 (+1.68s | 4.7%) | EL Paso Border Land Swim Team | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 455 | Hayden Watkins | 36.08 | 10 | AA Min | AAA: 34.39 (+1.69s | 4.7%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 456 | Hailey Rasmussen | 36.08 | 10 | AA Min | AAA: 34.39 (+1.69s | 4.7%) | Tigard | 02/13/2026 | 2026 OR HS 6A 5 | |
| 457 | Kenzie Banh | 36.09 | 10 | AA Min | AAA: 34.39 (+1.70s | 4.7%) | The St. James Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 458 | Findley Citta | 36.09 | 10 | AA Min | AAA: 34.39 (+1.70s | 4.7%) | Makos Aquatics Club of Gainesv | 01/30/2026 | 2026 Mac Crutchfield Invitational | |
| 459 | Charlotte Herzog | 36.09 | 10 | AA Min | AAA: 34.39 (+1.70s | 4.7%) | Pikes Peak Athletics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 460 | Eloise Maine | 36.10 | 10 | AA Min | AAA: 34.39 (+1.71s | 4.7%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 461 | Sandra Hall | 36.10 | 10 | AA Min | AAA: 34.39 (+1.71s | 4.7%) | Tillamook | 02/13/2026 | 2026 OR HS 4a 3 | |
| 462 | Evelyn Brown | 36.10 | 9 | AA Min | AAA: 34.39 (+1.71s | 4.7%) | Carolina Aquatic Team | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 463 | Alivia Lee | 36.10 | 10 | AA Min | AAA: 34.39 (+1.71s | 4.7%) | Pro Swimming | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 464 | Ellia Mullin | 36.11 | 10 | AA Min | AAA: 34.39 (+1.72s | 4.8%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 465 | Grace Gott | 36.13 | 10 | AA Min | AAA: 34.39 (+1.74s | 4.8%) | Catawba Valley Aquatic Club | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 466 | Emma Dupuis | 36.13 | 10 | AA Min | AAA: 34.39 (+1.74s | 4.8%) | Saint Joseph Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 467 | Claire Li | 36.14 | 9 | AA Min | AAA: 34.39 (+1.75s | 4.8%) | Badger Swim Club,Inc. | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 468 | Paisley Best | 36.15 | 10 | AA Min | AAA: 34.39 (+1.76s | 4.9%) | Cape Cod Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 469 | Quinn Rayman | 36.15 | 10 | AA Min | AAA: 34.39 (+1.76s | 4.9%) | Black Hills Gold Swimming | 01/23/2026 | SFST SD 2026 January Invite | |
| 470 | Ellie Rasmussen | 36.15 | 10 | AA Min | AAA: 34.39 (+1.76s | 4.9%) | Sandpipers of Nevada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 471 | Addison Strausser | 36.16 | 9 | AA Min | AAA: 34.39 (+1.77s | 4.9%) | Area Tallahassee Aquatic Club | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 472 | Claire Palmer | 36.17 | 9 | AA Min | AAA: 34.39 (+1.78s | 4.9%) | SwimUnited | 03/12/2026 | 2026 OH SC Junior Championships | |
| 473 | Jordan Guillard | 36.18 | 10 | AA Min | AAA: 34.39 (+1.79s | 4.9%) | Cavalier Aquatics/Piedmont Fam | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 474 | Maliha Radosevich | 36.20 | 10 | A Min | AA: 36.19 (+0.01s | 0.0%) | North Shore Swim Club | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 475 | Nora Lam | 36.20 | 10 | A Min | AA: 36.19 (+0.01s | 0.0%) | Rockford Riptide | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 476 | Emilie Bieker | 36.21 | 10 | A Min | AA: 36.19 (+0.02s | 0.1%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 477 | Rowan Aguillon | 36.21 | 10 | A Min | AA: 36.19 (+0.02s | 0.1%) | Ocean Pines Swim Team | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 478 | Mannat Garg | 36.21 | 10 | A Min | AA: 36.19 (+0.02s | 0.1%) | Wave Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 479 | Alice Booth | 36.22 | 10 | A Min | AA: 36.19 (+0.03s | 0.1%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 480 | Mia Xu | 36.22 | 10 | A Min | AA: 36.19 (+0.03s | 0.1%) | St. Lawrence Swim Team | 03/28/2026 | Swim South Bay | |
| 481 | Lillian Mzyk | 36.22 | 10 | A Min | AA: 36.19 (+0.03s | 0.1%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 482 | Marina Hall | 36.23 | 10 | A Min | AA: 36.19 (+0.04s | 0.1%) | Neptune Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 483 | Esmee Choi | 36.24 | 10 | A Min | AA: 36.19 (+0.05s | 0.1%) | Brea Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 484 | Sasha Zhou | 36.25 | 10 | A Min | AA: 36.19 (+0.06s | 0.2%) | South Florida Aquatic Club | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 485 | Anna Latham | 36.26 | 10 | A Min | AA: 36.19 (+0.07s | 0.2%) | Front Range Barracudas | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 486 | Sarang Wooten | 36.26 | 10 | A Min | AA: 36.19 (+0.07s | 0.2%) | Madison Swimming Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 487 | Penelope Wood | 36.27 | 10 | A Min | AA: 36.19 (+0.08s | 0.2%) | Potomac Marlins | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 488 | Isabella Britz | 36.27 | 10 | A Min | AA: 36.19 (+0.08s | 0.2%) | Tide Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 489 | Aubrey Lodahl | 36.28 | 9 | A Min | AA: 36.19 (+0.09s | 0.2%) | Golden State Goats (Gold) | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 490 | Olivia Asnis | 36.28 | 10 | A Min | AA: 36.19 (+0.09s | 0.2%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 491 | Celine Fan | 36.28 | 10 | A Min | AA: 36.19 (+0.09s | 0.2%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 492 | Kennedy Stutzman | 36.29 | 9 | A Min | AA: 36.19 (+0.10s | 0.3%) | Lenawee County Gators | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 493 | Sienna Schenk | 36.29 | 10 | A Min | AA: 36.19 (+0.10s | 0.3%) | Boulder City Henderson Swim Te | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 494 | Amelia Erickson | 36.29 | 9 | A Min | AA: 36.19 (+0.10s | 0.3%) | Watertown Area Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 495 | Everly Guest | 36.30 | 10 | A Min | AA: 36.19 (+0.11s | 0.3%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 496 | Bridget Thayer | 36.30 | 10 | A Min | AA: 36.19 (+0.11s | 0.3%) | Tuna Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 497 | Emilia Smith | 36.30 | 10 | A Min | AA: 36.19 (+0.11s | 0.3%) | Falfins Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 498 | Lilly Ackley | 36.30 | 10 | B Min | BB: 35.99 (+0.31s | 0.9%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 499 | Rosie Collins | 36.31 | 10 | A Min | AA: 36.19 (+0.12s | 0.3%) | North Carolina Aquatic Club | 12/12/2025 | Triad Tropic Invitational Copied | |
| 500 | Zoey Wen | 36.31 | 10 | A Min | AA: 36.19 (+0.12s | 0.3%) | Cerritos Aquatic Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
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.