USA Girls 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1551 | Ellie Rasmussen | 1:00.59 | 10 | B Min | BB: 55.49 (+5.10s | 8.4%) | Sandpipers of Nevada | 07/19/2023 | Renee And Jim Patterson Classic | |
| 1552 | Julia Ries | 1:00.61 | 9 | B Min | BB: 55.49 (+5.12s | 8.4%) | Hastings Area Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 1553 | Cecilia Bombassaro Vairo | 1:00.63 | 10 | B Min | BB: 55.49 (+5.14s | 8.5%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1554 | Emma Russell | 1:00.64 | 8 | B Min | BB: 55.49 (+5.15s | 8.5%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1555 | Vivian Gillespie | 1:00.66 | 9 | B Min | BB: 55.49 (+5.17s | 8.5%) | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1556 | Miya Ma | 1:00.67 | 10 | B Min | BB: 55.49 (+5.18s | 8.5%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 1557 | Kyrie Vargas | 1:00.69 | 8 | B Min | BB: 55.49 (+5.20s | 8.6%) | South Bay Aquatics | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1558 | Ella Perisic | 1:00.69 | 9 | B Min | BB: 55.49 (+5.20s | 8.6%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 1559 | Emma Clarke | 1:00.70 | 9 | B Min | BB: 55.49 (+5.21s | 8.6%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1560 | Olivia Wetzel | 1:00.71 | 10 | B Min | BB: 55.49 (+5.22s | 8.6%) | Accokeek Stroke Technique Swim | 08/06/2025 | 2025 Summer Elite Showcase | |
| 1561 | Haydrianna Tran | 1:00.72 | 10 | B Min | BB: 55.49 (+5.23s | 8.6%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1562 | Stella Ren | 1:00.72 | 10 | B Min | BB: 55.49 (+5.23s | 8.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1563 | Millicent Hallsworth | 1:00.73 | 9 | B Min | BB: 55.49 (+5.24s | 8.6%) | Nocatee Bluetide Swim Team | 04/10/2026 | 2026 April Classic | |
| 1564 | Ruby Zalewski | 1:00.73 | 9 | B Min | BB: 55.49 (+5.24s | 8.6%) | Univ. of Denver Hilltoppers | 06/27/2025 | 2025 CO Zone 2 DU Meet | |
| 1565 | Grace Nichols | 1:00.74 | 10 | B Min | BB: 55.49 (+5.25s | 8.6%) | Blue Wave Swimming | 05/16/2025 | 2025 SYS Memorial Meet | |
| 1566 | Eleanor Schwingler | 1:00.75 | 9 | B Min | BB: 55.49 (+5.26s | 8.7%) | West Express Swim Team | 06/20/2025 | 2025 MN MAN Red White Blue Invite | |
| 1567 | Madison Karpinski | 1:00.75 | 9 | B Min | BB: 55.49 (+5.26s | 8.7%) | Blazing Barracudas | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1568 | Athena Altfield | 1:00.76 | 9 | B Min | BB: 55.49 (+5.27s | 8.7%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1569 | Hailey Pugal | 1:00.76 | 7 | B Min | BB: 55.49 (+5.27s | 8.7%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 1570 | Daphne Lane | 1:00.76 | 9 | B Min | BB: 55.49 (+5.27s | 8.7%) | Streamline Aquatics | 04/17/2026 | 2026 ST SAW Vs SASA Fiesta Showdown | |
| 1571 | Sydney Smith | 1:00.77 | 9 | B Min | BB: 55.49 (+5.28s | 8.7%) | Walla Walla Swim Club | 05/15/2026 | 2026 Chris Engledow Memorial Meet | |
| 1572 | Quinn Hughes | 1:00.78 | 10 | B Min | BB: 55.49 (+5.29s | 8.7%) | Four Corners Aquatic Team | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 1573 | Alaila Deleon | 1:00.78 | 10 | B Min | BB: 55.49 (+5.29s | 8.7%) | Swim Melbourne | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 1574 | Neeva Goel | 1:00.79 | 8 | B Min | BB: 55.49 (+5.30s | 8.7%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1575 | Quinn Plaut | 1:00.79 | 10 | B Min | BB: 55.49 (+5.30s | 8.7%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | |
| 1576 | Katherine Bohn | 1:00.79 | 10 | B Min | BB: 55.49 (+5.30s | 8.7%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1577 | Marley Brathwaite | 1:00.80 | 9 | B Min | BB: 55.49 (+5.31s | 8.7%) | Lake Lytal Lightning | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 1578 | Alisson Hernandez Rocha | 1:00.81 | 8 | B Min | BB: 55.49 (+5.32s | 8.7%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1579 | River Steinbis | 1:00.82 | 9 | B Min | BB: 55.49 (+5.33s | 8.8%) | Boise YMCA Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 1580 | Kami Tong | 1:00.82 | 10 | B Min | BB: 55.49 (+5.33s | 8.8%) | Riptide Swim Team | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 1581 | Amelia Brown | 1:00.83 | 10 | B Min | BB: 55.49 (+5.34s | 8.8%) | Patriot Aquatics | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 1582 | Stella di Benedetto | 1:00.84 | 9 | B Min | BB: 55.49 (+5.35s | 8.8%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 1583 | Hannah Kragt | 1:00.85 | 8 | B Min | BB: 55.49 (+5.36s | 8.8%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1584 | Atlee Faux | 1:00.86 | 8 | B Min | BB: 55.49 (+5.37s | 8.8%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 1585 | Ava Mehrmashhadi | 1:00.86 | 10 | B Min | BB: 55.49 (+5.37s | 8.8%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1586 | Suri Zhang | 1:00.87 | 9 | B Min | BB: 55.49 (+5.38s | 8.8%) | Pacific Swim | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 1587 | Margaret Mariscalco | 1:00.89 | 9 | B Min | BB: 55.49 (+5.40s | 8.9%) | SwimRVA | 04/20/2024 | 2024 SRVA Long Course Kick Off | |
| 1588 | Clara Morgan | 1:00.91 | 9 | B Min | BB: 55.49 (+5.42s | 8.9%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 1589 | Jade Cryer | 1:00.91 | 9 | B Min | BB: 55.49 (+5.42s | 8.9%) | Capital Area Aquatics | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 1590 | McKenna Korsman | 1:00.93 | 10 | B Min | BB: 55.49 (+5.44s | 8.9%) | Hurricanes Swim Team | 05/10/2025 | 2025 MN HURR LC Spring Opener | |
| 1591 | Leanna Wood | 1:00.93 | 9 | B Min | BB: 55.49 (+5.44s | 8.9%) | Coeur D\\\\\\'alene Area Swim Team | 04/17/2026 | 2026 Shark Attack Copied | |
| 1592 | Norah Distler | 1:00.93 | 9 | B Min | BB: 55.49 (+5.44s | 8.9%) | Sarasota Tsunami Swim Team | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1593 | Selena Ramirez | 1:00.94 | 9 | B Min | BB: 55.49 (+5.45s | 8.9%) | Unattached | 04/17/2026 | 1st Annual SAW Vs Streamline Fiesta Showdown | |
| 1594 | Wren Snyder | 1:00.96 | 9 | B Min | BB: 55.49 (+5.47s | 9.0%) | 757swim | 04/20/2024 | 757Swim Spring Challenge | |
| 1595 | Jamison Antalek | 1:00.96 | 8 | B Min | BB: 55.49 (+5.47s | 9.0%) | Highlands Ranch Aquatics | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1596 | Nastassia Burton | 1:00.99 | 9 | B Min | BB: 55.49 (+5.50s | 9.0%) | Rogue Rapids | 06/06/2025 | 2025 THSC June Invitational | |
| 1597 | Alexa Gonzalez | 1:01.01 | 10 | B Min | BB: 55.49 (+5.52s | 9.0%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 1598 | Eleanor Liu | 1:01.01 | 9 | B Min | BB: 55.49 (+5.52s | 9.0%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1599 | Yutong Dong | 1:01.02 | 9 | B Min | BB: 55.49 (+5.53s | 9.1%) | Beachwood Bison Swim Club | 05/10/2025 | 2025 NCAT TYR LC Age Group Open | |
| 1600 | Sawyer Bogacz | 1:01.03 | 10 | B Min | BB: 55.49 (+5.54s | 9.1%) | Life Time Colorado Swim Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
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.