USA Girls 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1501 | Khloe Rehbein | 46.31 | 8 | BB Min | A: 42.79 (+3.52s | 7.6%) | Stingrays Swim Team | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1502 | Quinn Truong | 46.31 | 9 | BB Min | A: 42.79 (+3.52s | 7.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1503 | Erin McDonagh | 46.31 | 10 | BB Min | A: 42.79 (+3.52s | 7.6%) | Pikes Peak Athletics | 09/18/2026 | 2026 CO PPA September Kick Off | |
| 1504 | Vivienne Coviello | 46.32 | 10 | BB Min | A: 42.79 (+3.53s | 7.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1505 | Audrey Conrad | 46.33 | 10 | BB Min | A: 42.79 (+3.54s | 7.6%) | Saint Joseph Aquatics | 02/07/2026 | 2026 Grand Rapids Open | |
| 1506 | Catherine Lei | 46.34 | 9 | BB Min | A: 42.79 (+3.55s | 7.7%) | Suburban Aquatics | 10/25/2025 | 2025 PAC 10 Under RockHopper Penguin Meet | |
| 1507 | Piper Aleshire | 46.34 | 9 | BB Min | A: 42.79 (+3.55s | 7.7%) | Westerville Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1508 | Lily Delgross | 46.34 | 9 | BB Min | A: 42.79 (+3.55s | 7.7%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1509 | Reagan Story | 46.34 | 8 | BB Min | A: 42.79 (+3.55s | 7.7%) | Ensworth Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1510 | Indy Manning | 46.35 | 10 | BB Min | A: 42.79 (+3.56s | 7.7%) | Rogue Rapids | 10/09/2026 | 2026 Rogue Rapids Sofia Marks Invitational | |
| 1511 | Piper Purdy | 46.35 | 10 | BB Min | A: 42.79 (+3.56s | 7.7%) | Coast Aquatics | 10/17/2026 | 2026 Rick Byers Invitational | |
| 1512 | Claire Miller | 46.35 | 10 | BB Min | A: 42.79 (+3.56s | 7.7%) | Stingrays Swim Club | 10/23/2026 | TTSC Halloween Meet 2026 | |
| 1513 | Evangeline Sharygin | 46.35 | 10 | BB Min | A: 42.79 (+3.56s | 7.7%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1514 | Rose DiPiro | 46.36 | 9 | BB Min | A: 42.79 (+3.57s | 7.7%) | YMCA of Northwest North Caroli | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1515 | Tatiana Heinrich | 46.36 | 9 | BB Min | A: 42.79 (+3.57s | 7.7%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1516 | Abigail Hinz | 46.36 | 10 | BB Min | A: 42.79 (+3.57s | 7.7%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1517 | Arianna Mitchell | 46.36 | 10 | BB Min | A: 42.79 (+3.57s | 7.7%) | Fast Falcons | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 1518 | Daphne Braddock | 46.37 | 10 | BB Min | A: 42.79 (+3.58s | 7.7%) | McMinnville | 02/13/2026 | 2026 OR HS 6A 3 | |
| 1519 | Paulina Zaitsev | 46.37 | 9 | BB Min | A: 42.79 (+3.58s | 7.7%) | Jcc Sea Serpents | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1520 | Isabel Churchill | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Metro Surge Aquatic Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1521 | Orlene Yu | 46.38 | 9 | BB Min | A: 42.79 (+3.59s | 7.7%) | Xtreme Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 1522 | Madison Karpinski | 46.38 | 9 | BB Min | A: 42.79 (+3.59s | 7.7%) | Blazing Barracudas | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1523 | Riley Blaugh | 46.38 | 10 | BB Min | A: 42.79 (+3.59s | 7.7%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 1524 | Emilia Yoon | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | Cumming Waves | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 1525 | Ana Ristanovic | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | YMCA of Metro North Tritons | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1526 | Nina Holsman | 46.39 | 10 | BB Min | A: 42.79 (+3.60s | 7.8%) | Montclair Swim Team | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | |
| 1527 | Iris Peng | 46.39 | 9 | BB Min | A: 42.79 (+3.60s | 7.8%) | Samena Club Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1528 | Eleanor Wolf | 46.40 | 9 | BB Min | A: 42.79 (+3.61s | 7.8%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1529 | Zara Webster | 46.40 | 10 | BB Min | A: 42.79 (+3.61s | 7.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1530 | Lucia Mundell-Pentelow | 46.40 | 10 | BB Min | A: 42.79 (+3.61s | 7.8%) | T2 Aquatics | 09/19/2026 | 2026 GCST FALL OPEN | |
| 1531 | Laila Neggaz | 46.41 | 8 | BB Min | A: 42.79 (+3.62s | 7.8%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 1532 | Mia Lu | 46.41 | 9 | BB Min | A: 42.79 (+3.62s | 7.8%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 1533 | Harper Haemmerle | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1534 | Chloe Wang | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 1535 | Augusta Mellen | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | North Jeffco Swim Team | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 1536 | Stella Spencer | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Waves Of Wilmington Inc | 05/29/2026 | 2026 NSEA Swim May Flowers WOW Dual Meet | |
| 1537 | Isabel Schneider | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Eastmont | 01/31/2026 | 2026 Winter Open | |
| 1538 | Elena Angelides | 46.41 | 10 | BB Min | A: 42.79 (+3.62s | 7.8%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1539 | Samira Makhzoumi | 46.41 | 9 | BB Min | A: 42.79 (+3.62s | 7.8%) | Palo Alto Stanford Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 1540 | Sloan Sedlak | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | Saint Louis Tsunami Swimming | 02/27/2026 | Ozark Division I Championship | |
| 1541 | Allison Wu | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 1542 | Adeline Hammer | 46.42 | 9 | BB Min | A: 42.79 (+3.63s | 7.8%) | Win Tidal Wave | 09/25/2026 | 2026 Alexis Swift Invitational | |
| 1543 | Leah Hollanda | 46.42 | 8 | BB Min | A: 42.79 (+3.63s | 7.8%) | Swim Tampa Aquatics | 10/09/2026 | WFLA Halloween Invitational | |
| 1544 | Ellie Espinola | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | Merced Skimmers Swim Team | 09/13/2026 | Hot Dog Meet, Sept 2026 | |
| 1545 | Maya Gonzalez | 46.42 | 10 | BB Min | A: 42.79 (+3.63s | 7.8%) | EL Paso Border Land Swim Team | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 1546 | Abigail Granger | 46.43 | 9 | BB Min | A: 42.79 (+3.64s | 7.8%) | Atlantis Swimming | 02/06/2026 | 2026 Michigan Open | |
| 1547 | Harper Bruorton | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Carolina Aquatics Swim Club | 12/05/2025 | ATOM Winter Invite 2025 | |
| 1548 | Ashtyn Geddings | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Brownell Talbot | 12/17/2025 | BLCK MW BT Block Party Sprint #2 | |
| 1549 | Daria Shishkin | 46.43 | 8 | BB Min | A: 42.79 (+3.64s | 7.8%) | Auburn Aquatics | 09/12/2026 | OST Fall Invite | |
| 1550 | Peri Davis | 46.43 | 10 | BB Min | A: 42.79 (+3.64s | 7.8%) | Marshall County Swim Club | 10/03/2026 | 2026 SES WAKE CTA Spooky Splash | |
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.