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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4751 | Madeleine Timmer | 45.58 | 10 | B Min | BB: 43.29 (+2.29s | 5.0%) | Nation\\\\\\'s Capital Swim Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 4752 | Alexis Melcher | 45.58 | 8 | B Min | BB: 43.29 (+2.29s | 5.0%) | Greenwood Swimming | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 4753 | Ellianne Roberts | 45.58 | 10 | B Min | BB: 43.29 (+2.29s | 5.0%) | Indian River Aquatics | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 4754 | Jane Rhinesmith | 45.58 | 9 | B Min | BB: 43.29 (+2.29s | 5.0%) | Charles River Aquatics | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 4755 | Mihaela Semiz | 45.58 | 9 | B Min | BB: 43.29 (+2.29s | 5.0%) | YMCA of Snohomish County Barra | 05/16/2026 | 2026 PN (PSSA) BYST Spring Fling Approved | |
| 4756 | Serena Lee | 45.58 | 10 | B Min | BB: 43.29 (+2.29s | 5.0%) | Springfield YMCA Swim Team | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 4757 | Katie Wen | 45.59 | 9 | B Min | BB: 43.29 (+2.30s | 5.0%) | Metro Surge Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 4758 | Josephine Gard | 45.59 | 8 | B Min | BB: 43.29 (+2.30s | 5.0%) | Tidal Wave Aquatics | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 4759 | Nora Martin | 45.59 | 8 | B Min | BB: 43.29 (+2.30s | 5.0%) | Rapids Area YMCA | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 4760 | Arianna Lopez | 45.59 | 9 | B Min | BB: 43.29 (+2.30s | 5.0%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 4761 | Nalisah Moore | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Life Time Iowa Swim Team | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 4762 | Elena Bacon | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 4763 | Livy Shepherd | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Westlake Aquatic Facility | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
| 4764 | Zoe Seibel | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Falfins Swimming | 05/02/2026 | 2026 CO FLFN Summer Series #2 | |
| 4765 | Sloane James | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Colorado Blue | 12/14/2025 | 2025 CO FORM Winter Open | |
| 4766 | Molly Peterson | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Blue Wave Swim Team PV | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4767 | Opaline Maffei | 45.60 | 9 | B Min | BB: 43.29 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 03/20/2026 | March Madness 2026 | |
| 4768 | Michelle Addei | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Nova of Virginia | 12/05/2025 | NOVA December Dip | |
| 4769 | Delia Lesan | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Retriever Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4770 | Onika Wolfe | 45.60 | 7 | B Min | BB: 43.29 (+2.31s | 5.1%) | Saint Petersburg Aquatics | 10/02/2026 | SAINT PETE AQUATICS FRI NITE RACE OCT 2 2026 | |
| 4771 | Finley Cutcher | 45.60 | 9 | B Min | BB: 43.29 (+2.31s | 5.1%) | South East Metro Sharks | 10/10/2026 | 2026 MN FOXJ Fall Invitational | |
| 4772 | Isha Srinivasan | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 4773 | Rebecca Faucher | 45.61 | 9 | B Min | BB: 43.29 (+2.32s | 5.1%) | Gsa | 03/20/2026 | 2026 STAR Tar Heel States | |
| 4774 | Mavis Abbott | 45.61 | 9 | B Min | BB: 43.29 (+2.32s | 5.1%) | Denver Triton Swim Team | 03/13/2026 | Mile High Championship Invitational | |
| 4775 | Emma Radoslovich | 45.61 | 10 | B Min | BB: 43.29 (+2.32s | 5.1%) | Middies Wave Ryders | 11/15/2025 | 2025 MR SSC Turkey Trot Invitational | |
| 4776 | Nora Whitty | 45.61 | 8 | B Min | BB: 43.29 (+2.32s | 5.1%) | Eagle Swim Team Inc. | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4777 | Wynn Kalinowski | 45.61 | 10 | B Min | BB: 43.29 (+2.32s | 5.1%) | Hurricanes Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | |
| 4778 | Penelope Hayward-Komatsu | 45.61 | 9 | B Min | BB: 43.29 (+2.32s | 5.1%) | Port Angeles Swim Club | 05/16/2026 | 2026 PN PASC Masters And Munchkins Approved | |
| 4779 | Elliana Limperos | 45.61 | 10 | B Min | BB: 43.29 (+2.32s | 5.1%) | Piranhas YMCA of the Suncoast | 07/24/2026 | 2026 Summer Area 3 Championships | |
| 4780 | Strickland Patton | 45.61 | 10 | B Min | BB: 43.29 (+2.32s | 5.1%) | Tiger Shark of Texas | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 4781 | Charlotte Delaney | 45.62 | 8 | B Min | BB: 43.29 (+2.33s | 5.1%) | Unattached | 05/02/2026 | 2026 MN TUNA Spring Splash | |
| 4782 | Eliza Ludwig | 45.62 | 9 | B Min | BB: 43.29 (+2.33s | 5.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | |
| 4783 | Cecilia Spence | 45.62 | 9 | B Min | BB: 43.29 (+2.33s | 5.1%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 4784 | Caroline Venning | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 4785 | Madison Yalango | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 4786 | Arya Shankar | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Waterloo Swimming | 09/20/2026 | 2026 ST WLOO September Splash | |
| 4787 | Nora Montes de oca | 45.62 | 9 | B Min | BB: 43.29 (+2.33s | 5.1%) | College Area Swim Team | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 4788 | Charlotte Delaney | 45.62 | 8 | B Min | BB: 43.29 (+2.33s | 5.1%) | Granite City Aquatics | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4789 | Aileen Huang | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | East Bay Bat Rays | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 4790 | Nastassia Burton | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 4791 | Elizabeth Ryndina | 45.62 | 7 | B Min | BB: 43.29 (+2.33s | 5.1%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 4792 | Serena Phadke | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Burlingame Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 4793 | Olivia Allen | 45.63 | 10 | B Min | BB: 43.29 (+2.34s | 5.1%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4794 | Marin Laskowski | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4795 | Savanna Rossman | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Racer X Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 4796 | Blaire Dekker | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Jenison | 02/14/2026 | 2026 WMSL Winter A Championship | |
| 4797 | Julie Rzouq | 45.63 | 10 | B Min | BB: 43.29 (+2.34s | 5.1%) | Norfolk YMCA Aquajets | 03/14/2026 | 2026 MW App Nebraska YMCA Champs | |
| 4798 | Hannah Hassanein | 45.63 | 10 | B Min | BB: 43.29 (+2.34s | 5.1%) | Metro Area Life Time | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 4799 | Clara Jech | 45.63 | 10 | B Min | BB: 43.29 (+2.34s | 5.1%) | Cape Cod Swim Club | 08/06/2026 | 2026 NE LA August SCY Invitational | |
| 4800 | Antonella Garcia | 45.63 | 7 | B Min | BB: 43.29 (+2.34s | 5.1%) | Rancho San Dieguito | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
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.