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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1701 | Ruby Bissig | 45.30 | 10 | BB Min | A: 42.79 (+2.51s | 5.5%) | Grosse Pointe Gators | 10/31/2025 | 2025 Holland Fall Invite | |
| 1702 | Cecily Mai | 45.30 | 8 | BB Min | A: 42.79 (+2.51s | 5.5%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1703 | Zainab Bojuwon | 45.31 | 9 | BB Min | A: 42.79 (+2.52s | 5.6%) | All Star Aquatics | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1704 | Kate LaBelle | 45.31 | 9 | BB Min | A: 42.79 (+2.52s | 5.6%) | Motor City Aquatics | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1705 | Heidi Bialorucki | 45.32 | 10 | BB Min | A: 42.79 (+2.53s | 5.6%) | Old Dominion Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 1706 | Carolyn Chang | 45.32 | 10 | BB Min | A: 42.79 (+2.53s | 5.6%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 1707 | Carolin Parker | 45.32 | 10 | BB Min | A: 42.79 (+2.53s | 5.6%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 1708 | Myra Jaryal | 45.32 | 8 | BB Min | A: 42.79 (+2.53s | 5.6%) | Unattached | 06/14/2024 | 2024 CZ Multi Cultural Meet | |
| 1709 | Isabella Ye | 45.32 | 9 | BB Min | A: 42.79 (+2.53s | 5.6%) | Dragon Swim Team | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1710 | Xinyi Leng | 45.33 | 10 | BB Min | A: 42.79 (+2.54s | 5.6%) | Club Wolverine | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1711 | Adeline Bower | 45.33 | 10 | BB Min | A: 42.79 (+2.54s | 5.6%) | Legacy Aquatics | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 1712 | Piper Stock | 45.33 | 9 | BB Min | A: 42.79 (+2.54s | 5.6%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 1713 | Jaclyn Dixon | 45.34 | 10 | BB Min | A: 42.79 (+2.55s | 5.6%) | Unattached | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 1714 | Ellis Gray | 45.34 | 9 | BB Min | A: 42.79 (+2.55s | 5.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | |
| 1715 | Zadie Heimlich | 45.34 | 10 | BB Min | A: 42.79 (+2.55s | 5.6%) | Columbia Aquatics Association | 12/05/2025 | 2025 Christmas Championships | |
| 1716 | Melodie Yuen | 45.34 | 9 | BB Min | A: 42.79 (+2.55s | 5.6%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1717 | Rihanna Chopra | 45.35 | 10 | BB Min | A: 42.79 (+2.56s | 5.6%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1718 | Elena Ferraz de Toledo | 45.35 | 9 | BB Min | A: 42.79 (+2.56s | 5.6%) | South East Metro Sharks | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1719 | Mae Molnar | 45.35 | 10 | BB Min | A: 42.79 (+2.56s | 5.6%) | Life Time Michigan Swim Team | 12/20/2025 | Life Time Michigan Candy Cane Classic | |
| 1720 | Olivia Wild | 45.36 | 10 | BB Min | A: 42.79 (+2.57s | 5.7%) | Bend Swim Club | 02/04/2026 | 2026 Bend Swim Club Intersquad Challenger | |
| 1721 | Darcy Tanner | 45.36 | 9 | BB Min | A: 42.79 (+2.57s | 5.7%) | Layton Surfers | 10/24/2025 | SSC Witchy Waters 2025 | |
| 1722 | Vera Kation | 45.36 | 10 | BB Min | A: 42.79 (+2.57s | 5.7%) | Bravo Swim Team | 09/05/2025 | September Central Park Series | |
| 1723 | Rose Bauman | 45.36 | 10 | BB Min | A: 42.79 (+2.57s | 5.7%) | Boulder Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 1724 | Nina Wimpee | 45.36 | 11 | BB Min | A: 42.79 (+2.57s | 5.7%) | Michigan Lakeshore Aquatics | 10/31/2025 | 2025 Holland Fall Invite | |
| 1725 | Celeste Tabuenca | 45.37 | 10 | BB Min | A: 42.79 (+2.58s | 5.7%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1726 | Chiara Aboyoun Stein | 45.37 | 11 | BB Min | A: 42.79 (+2.58s | 5.7%) | Kingfish Swimming Medfield | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | |
| 1727 | Austin Lee | 45.38 | 8 | BB Min | A: 42.79 (+2.59s | 5.7%) | Unattached | 10/25/2025 | 2025 ST CCSS SC Unclassified | |
| 1728 | Claire Cao | 45.38 | 9 | BB Min | A: 42.79 (+2.59s | 5.7%) | Badger Swim Club,Inc. | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 1729 | Sofia Minchev | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 1730 | Malia Pavloff | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Daly City Dolphins | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1731 | Henrietta Ostendorf | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Minnetonka Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1732 | Yuli Matsuoka-Motegi | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 1733 | Charlotte Xu | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Fairland Aquatic Swim Team | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1734 | Elizabeth Lynch | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 1735 | Penelope Arambula | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Capital of Texas Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1736 | Josephine Whitcomb | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | Edina Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1737 | Bailey Galloway | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1738 | Margaret Jeroszko | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Sporting Jax Aquatic Club | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 1739 | Naomi Loberman | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | The Woodlands Swim Team | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 1740 | Olivia Severin | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Three Village Swim Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1741 | Lacy Duval | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Legacy Aquatics | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1742 | Teagan Asselin | 45.41 | 10 | BB Min | A: 42.79 (+2.62s | 5.8%) | Machine Aquatics | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 1743 | Taylor Hozza | 45.41 | 10 | BB Min | A: 42.79 (+2.62s | 5.8%) | Blackline Aquatics | 12/13/2025 | 2025 MN PRNH December Meet | |
| 1744 | Fiona Asgari | 45.42 | 10 | BB Min | A: 42.79 (+2.63s | 5.8%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1745 | Gracyn Connelly | 45.42 | 9 | BB Min | A: 42.79 (+2.63s | 5.8%) | SwimRise Aquatics | 01/30/2026 | 2026 Hydro Winter Open | |
| 1746 | Mackenzie Nelson | 45.42 | 11 | BB Min | A: 42.79 (+2.63s | 5.8%) | Three Village Swim Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1747 | Leah Prokos | 45.42 | 10 | BB Min | A: 42.79 (+2.63s | 5.8%) | Otter Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1748 | Daenerys Fong | 45.43 | 9 | BB Min | A: 42.79 (+2.64s | 5.8%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 1749 | Kaitlin Renick | 45.43 | 10 | BB Min | A: 42.79 (+2.64s | 5.8%) | Sarasota Tsunami Swim Team | 10/11/2025 | 2025 OCTOBERFEST SWIM MEET | |
| 1750 | Claire Lopez | 45.43 | 9 | BB Min | A: 42.79 (+2.64s | 5.8%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
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.