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 | |
|---|---|---|---|---|---|---|---|---|---|
| 8501 | Caroline Mahaffy | 49.80 | 8 | B: 48.59 (+1.21s | 2.4%) | The Fish | 02/13/2026 | 2026 AAC Winter Gator Meet | ||
| 8502 | Nancy Aldrich | 49.80 | 10 | B: 48.59 (+1.21s | 2.4%) | Pueblo Swim Club | 02/08/2026 | 2026 CO Falfins Short Course Series #4 | ||
| 8503 | Mary Tatum | 49.80 | 8 | B: 48.59 (+1.21s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
| 8504 | Mackenzie Krumroy | 49.80 | 9 | B: 48.59 (+1.21s | 2.4%) | Gsa | 11/15/2025 | 2025 John Dewey Invitational | ||
| 8505 | Nola Davis | 49.81 | 9 | B: 48.59 (+1.22s | 2.4%) | Team Charlotte Swimming | 01/04/2026 | 2026 Team Sailfish Dual Copied | ||
| 8506 | Hannah Sticca | 49.81 | 10 | B: 48.59 (+1.22s | 2.4%) | Westchester Aquatic Club | 10/18/2025 | 2025 MR WEST Tricia Dewey Tails Of Hope | ||
| 8507 | Kathrin Gallagher | 49.81 | 9 | B: 48.59 (+1.22s | 2.4%) | Stingrays Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | ||
| 8508 | Victoria Herrera | 49.82 | 9 | B: 48.59 (+1.23s | 2.5%) | Swim Houston Aquatics Center | 11/02/2024 | 2024 ShAC 14 Under Meet | ||
| 8509 | Zara Chan-Jones | 49.82 | 10 | B: 48.59 (+1.23s | 2.5%) | Storm Aquatics | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | ||
| 8510 | Zoey Acevedo | 49.82 | 8 | B: 48.59 (+1.23s | 2.5%) | Sporting Jax Aquatic Club | 09/21/2025 | 2025 Planet Swim Season Opener | ||
| 8511 | Ruby Wood | 49.82 | 9 | B: 48.59 (+1.23s | 2.5%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | ||
| 8512 | Mila Pink | 49.82 | 9 | B: 48.59 (+1.23s | 2.5%) | Lone Star Swim Team | 10/19/2024 | 2024 LSST October Open Meet | ||
| 8513 | Gabriella Placencia | 49.82 | 9 | B: 48.59 (+1.23s | 2.5%) | Aqua Culture Swim School | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | ||
| 8514 | Alder Parenteau | 49.82 | 9 | B: 48.59 (+1.23s | 2.5%) | YMCA of the North Shore Sharks | 12/05/2025 | 2025 NE YNS Reid Sacco Prelims Finals Invite | ||
| 8515 | Olivia Williams | 49.82 | 10 | B: 48.59 (+1.23s | 2.5%) | Fairland Aquatic Swim Team | 02/13/2026 | 39th Black History Swim Meet | ||
| 8516 | Lyla Haemmerle | 49.83 | 8 | B: 48.59 (+1.24s | 2.5%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | ||
| 8517 | Molly Klipper | 49.83 | 10 | B: 48.59 (+1.24s | 2.5%) | The Capitol Sea Devils | 01/24/2026 | 2026 SDS Polar Bear Invitational | ||
| 8518 | Emilia Scholle | 49.83 | 9 | B: 48.59 (+1.24s | 2.5%) | Tac Titans | 06/07/2026 | 2026 TAC TITANS June SCY Intrasquad Meet | ||
| 8519 | Rowan Watts | 49.83 | 10 | B: 48.59 (+1.24s | 2.5%) | Gold Coast Swim Team | 01/10/2026 | 2026 SCAT B C Open | ||
| 8520 | Laurel Breland | 49.83 | 10 | B: 48.59 (+1.24s | 2.5%) | Team Sopris Swimming | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | ||
| 8521 | Georgia Howard | 49.84 | 10 | B: 48.59 (+1.25s | 2.5%) | Shamrock Swim Club | 11/02/2025 | 2025 NE SSC November Meet Copied | ||
| 8522 | Annabelle Everett | 49.84 | 9 | B: 48.59 (+1.25s | 2.5%) | Seals Aquatics | 11/22/2025 | Thankswimming Classic 2025 | ||
| 8523 | Riley Diaz | 49.84 | 10 | B: 48.59 (+1.25s | 2.5%) | Plantation Swim Team | 10/03/2025 | Early October Central Park Series | ||
| 8524 | Marie Holland | 49.85 | 9 | B: 48.59 (+1.26s | 2.5%) | Jcc Sea Serpents | 01/16/2026 | 2026 NE CRIM Bronze Championship | ||
| 8525 | Piper Borgman | 49.85 | 10 | B: 48.59 (+1.26s | 2.5%) | Blue Tide Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | ||
| 8526 | Coco Starn | 49.85 | 10 | B: 48.59 (+1.26s | 2.5%) | Punahou Aquatics Institute | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | ||
| 8527 | Joy Brown | 49.85 | 9 | B: 48.59 (+1.26s | 2.5%) | Tampa Y Swimming | 02/27/2026 | 2026 Spring Area 3 Championships | ||
| 8528 | Charlotte Nguyen | 49.85 | 8 | B: 48.59 (+1.26s | 2.5%) | North Star Swim Team | 02/07/2026 | 2026 MN PRNH Winter Whiteout | ||
| 8529 | Elizabeth Flavin | 49.85 | 10 | B: 48.59 (+1.26s | 2.5%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 8530 | Lexie Metz | 49.85 | 10 | B: 48.59 (+1.26s | 2.5%) | YMCA of the Triangle Area Swim | 10/10/2025 | 2025 TYDE Andy Craver Autumn Leaves Inv | ||
| 8531 | Zoe Hill | 49.86 | 7 | B: 48.59 (+1.27s | 2.5%) | Neptune Swimming | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 8532 | Charlotte Demetrakis | 49.86 | 7 | B: 48.59 (+1.27s | 2.5%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | ||
| 8533 | Emma Valencia | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Orca Aquatics | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | ||
| 8534 | Layla Hwang | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | ||
| 8535 | Skylar Mennella | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 8536 | Sophie Everaard | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Houston Cougars | 10/05/2024 | SPA Fall Annual Fall Invite 2024 | ||
| 8537 | Gigi Szumigale | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Peninsula Wave Riders Swimming | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | ||
| 8538 | Harriet Batini | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Humboldt Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 8539 | Emily Marsh | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Lifetime Swim Team North Carol | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | ||
| 8540 | Madigan Tofanelli | 49.87 | 10 | B: 48.59 (+1.28s | 2.6%) | Livermore AquaCowboys | 07/26/2025 | Zone 2 Summer Championships | ||
| 8541 | Mampoko Thabane | 49.87 | 10 | B: 48.59 (+1.28s | 2.6%) | The Berkeley Barracudas | 06/20/2026 | West Coast B Champtionships | ||
| 8542 | Camila Alfaro | 49.87 | 9 | B: 48.59 (+1.28s | 2.6%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | ||
| 8543 | Emma Hanlon | 49.87 | 10 | B: 48.59 (+1.28s | 2.6%) | Shamrock Swim Club | 03/22/2026 | 2026 NE SSC March Madness | ||
| 8544 | Mirabel Iyer | 49.87 | 10 | B: 48.59 (+1.28s | 2.6%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | ||
| 8545 | Charlotte McNamara | 49.87 | 9 | B: 48.59 (+1.28s | 2.6%) | Storm Aquatics | 02/06/2026 | 2026 MR YMID February Classic Copied | ||
| 8546 | Vivienne Koehler | 49.88 | 9 | B: 48.59 (+1.29s | 2.6%) | Qns Aquatic Club | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | ||
| 8547 | Hannah Holmes | 49.88 | 10 | B: 48.59 (+1.29s | 2.6%) | Wright County Wave Swim Club | 02/15/2026 | 2026 MN WAVE Frosty February Invite | ||
| 8548 | Sloan Laupert | 49.88 | 10 | B: 48.59 (+1.29s | 2.6%) | Castle Rock Swimming | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | ||
| 8549 | Anika Nyalpelli | 49.89 | 9 | B: 48.59 (+1.30s | 2.6%) | Hurricanes Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | ||
| 8550 | Insiya Baxamusa | 49.89 | 10 | B: 48.59 (+1.30s | 2.6%) | Edina Swim Club | 06/17/2026 | 2026 MN FOXJ June Bronze | ||
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.