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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5201 | 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 | |
| 5202 | 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 | |
| 5203 | Rubie Bytwork | 45.58 | 8 | B Min | BB: 43.29 (+2.29s | 5.0%) | Rockford Riptide | 02/07/2026 | 2026 Grand Rapids Open | |
| 5204 | Nora Martin | 45.59 | 8 | B Min | BB: 43.29 (+2.30s | 5.0%) | Rapids Area YMCA | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 5205 | 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 | |
| 5206 | Emersyn Carton | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Hills Hurricane Swimming | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 5207 | Arianna Lopez | 45.59 | 9 | B Min | BB: 43.29 (+2.30s | 5.0%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 5208 | 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 | |
| 5209 | 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 | |
| 5210 | 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 | |
| 5211 | 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 | |
| 5212 | Lucia Marshall | 45.59 | 10 | B Min | BB: 43.29 (+2.30s | 5.0%) | Mjcc Stingrays | 02/06/2026 | Legacy Aquatics Spring Qualifier | |
| 5213 | 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 | |
| 5214 | Sloane James | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Colorado Blue | 12/14/2025 | 2025 CO FORM Winter Open | |
| 5215 | Kiely Hardin | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 5216 | Soraya Williams | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Kingfish Swimming Medfield | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | |
| 5217 | 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 | |
| 5218 | Michelle Addei | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Nova of Virginia | 12/05/2025 | NOVA December Dip | |
| 5219 | 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 | |
| 5220 | Emily Fehr | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Y in Central Maryland Blue Cra | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 5221 | Allison Lynn | 45.60 | 10 | B Min | BB: 43.29 (+2.31s | 5.1%) | Madison Swimming Association | 11/07/2025 | MSA Veterans Day Invitational | |
| 5222 | 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 | |
| 5223 | 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 | |
| 5224 | 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 | |
| 5225 | Olivia Triemstra | 45.61 | 10 | B Min | BB: 43.29 (+2.32s | 5.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 5226 | 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 | |
| 5227 | Rebecca Faucher | 45.61 | 9 | B Min | BB: 43.29 (+2.32s | 5.1%) | Gsa | 03/20/2026 | 2026 STAR Tar Heel States | |
| 5228 | 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 | |
| 5229 | 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 | |
| 5230 | 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 | |
| 5231 | Charlotte Delaney | 45.62 | 8 | B Min | BB: 43.29 (+2.33s | 5.1%) | Unattached | 05/02/2026 | 2026 MN TUNA Spring Splash | |
| 5232 | 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 | |
| 5233 | 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 | |
| 5234 | Isabelle Ingham | 45.62 | 10 | B Min | BB: 43.29 (+2.33s | 5.1%) | Aces Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 5235 | 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 | |
| 5236 | 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 | |
| 5237 | Nastassia Burton | 45.62 | 9 | B Min | BB: 43.29 (+2.33s | 5.1%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 5238 | 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 | |
| 5239 | Blaire Dekker | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Jenison | 02/14/2026 | 2026 WMSL Winter A Championship | |
| 5240 | Savanna Rossman | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Racer X Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 5241 | 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 | |
| 5242 | Taylor Lincoln | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Shark Wave Aquatic Team | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 5243 | 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 | |
| 5244 | Amelia Mayorga | 45.63 | 10 | B Min | BB: 43.29 (+2.34s | 5.1%) | Plantation Swim Team | 10/03/2025 | Early October Central Park Series | |
| 5245 | 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 | |
| 5246 | Marin Laskowski | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 5247 | Ivy Stark | 45.63 | 9 | B Min | BB: 43.29 (+2.34s | 5.1%) | Ensworth Aquatics | 10/25/2025 | 2025 IM Spooky | |
| 5248 | Elizabeth Daniels | 45.64 | 10 | B Min | BB: 43.29 (+2.35s | 5.1%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 5249 | Willow Schwalb | 45.64 | 9 | B Min | BB: 43.29 (+2.35s | 5.1%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 5250 | Maliyah Woods | 45.64 | 10 | B Min | BB: 43.29 (+2.35s | 5.1%) | Detroit All Star Aquatics | 02/13/2026 | 2026 Showdown In Motown | |
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.