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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2901 | Susanna Ryan | 48.85 | 10 | B Min | BB: 48.69 (+0.16s | 0.3%) | Portneuf Valley Swim Team | 12/13/2025 | 2025 Holiday Classic | |
| 2902 | Sydney Martinson | 48.85 | 10 | B Min | BB: 48.69 (+0.16s | 0.3%) | Swim Omaha | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 2903 | Rebekah LeDoux | 48.85 | 10 | B Min | BB: 48.69 (+0.16s | 0.3%) | Central Coast Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2904 | Mennen Kassa | 48.86 | 10 | B Min | BB: 48.69 (+0.17s | 0.3%) | DC Dept Of Parks and Recreatio | 11/22/2025 | 20205 Odd Ball Challenge | |
| 2905 | Adelyn Russell | 48.86 | 10 | B Min | BB: 48.69 (+0.17s | 0.3%) | Egra Waves | 12/05/2025 | EGRA 2025 Winter Washout | |
| 2906 | Heidi Wang | 48.86 | 10 | B Min | BB: 48.69 (+0.17s | 0.3%) | Blue Dolfins | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 2907 | Zoe Martinez | 48.86 | 10 | B Min | BB: 48.69 (+0.17s | 0.3%) | Life Time Colorado Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 2908 | Lillian Lacks | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 2909 | Emilia Kim | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Chinook Aquatic Club | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 2910 | Kendyl Guthrie | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Lakeland Country Club | 06/20/2026 | 2026 Riptide Summer Open | |
| 2911 | Indira Thatcher | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 2912 | Edith Garrett | 48.87 | 9 | B Min | BB: 48.69 (+0.18s | 0.4%) | San Antonio Wave | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 2913 | Josephine Harvey | 48.87 | 9 | B Min | BB: 48.69 (+0.18s | 0.4%) | 92ny Flying Dolphins | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 2914 | Claire Amacker | 48.87 | 9 | B Min | BB: 48.69 (+0.18s | 0.4%) | Unattached | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 2915 | Mila Khyungra | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Legacy Aquatics | 12/20/2025 | 2025 Legacy Aquatics Showdown | |
| 2916 | Penny Grewe | 48.87 | 10 | B Min | BB: 48.69 (+0.18s | 0.4%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 2917 | Eelin Rousse | 48.88 | 10 | B Min | BB: 48.69 (+0.19s | 0.4%) | Sea Lions Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2918 | Ezra Berlin | 48.88 | 10 | B Min | BB: 48.69 (+0.19s | 0.4%) | Byron Center Aquatics | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 2919 | Brinley Lazzini | 48.88 | 10 | B Min | BB: 48.69 (+0.19s | 0.4%) | Swim South Bay | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 2920 | Wells Bowman | 48.88 | 9 | B Min | BB: 48.69 (+0.19s | 0.4%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 2921 | Darby Zolin | 48.88 | 10 | B Min | BB: 48.69 (+0.19s | 0.4%) | Aptos Cabrillo Swim Club | 03/28/2026 | Swim South Bay | |
| 2922 | Lara Hoffman | 48.89 | 9 | B Min | BB: 48.69 (+0.20s | 0.4%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 2923 | Cassie Myers | 48.89 | 10 | B Min | BB: 48.69 (+0.20s | 0.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2924 | Lucille Kleinjan | 48.89 | 10 | B Min | BB: 48.69 (+0.20s | 0.4%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 2925 | Sierra Bhattarai | 48.89 | 10 | B Min | BB: 48.69 (+0.20s | 0.4%) | Tac Titans | 03/24/2026 | 2026 TAC TITANS March Intrasquad Meet | |
| 2926 | Geneva Bendas | 48.89 | 10 | B Min | BB: 48.69 (+0.20s | 0.4%) | Foxjets Swim Team | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 2927 | Audrey Anderson | 48.89 | 10 | B Min | BB: 48.69 (+0.20s | 0.4%) | Aberdeen Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 2928 | Willow Brauner | 48.89 | 9 | B Min | BB: 48.69 (+0.20s | 0.4%) | Nitro Swimming | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 2929 | Elizabeth Gnandt | 48.90 | 10 | B Min | BB: 48.69 (+0.21s | 0.4%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 2930 | Leia Chev | 48.90 | 9 | B Min | BB: 48.69 (+0.21s | 0.4%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 2931 | Kennedy Maxwell | 48.90 | 10 | B Min | BB: 48.69 (+0.21s | 0.4%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 2932 | Madelyn Spooner | 48.90 | 10 | B Min | BB: 48.69 (+0.21s | 0.4%) | Hammerhead Swim Club | 02/15/2026 | 2026 MTSL Championship | |
| 2933 | Mayla Jackson | 48.91 | 10 | B Min | BB: 48.69 (+0.22s | 0.4%) | YMCA of Northwest North Caroli | 12/05/2025 | 2025 TYDE Winter Championship | |
| 2934 | Natalie Holter | 48.91 | 9 | B Min | BB: 48.69 (+0.22s | 0.4%) | Aqua Culture Swim School | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 2935 | AnnaClaire Casstevens | 48.91 | 9 | B Min | BB: 48.69 (+0.22s | 0.4%) | Piedmont Aquatic Club | 03/20/2026 | 2026 BRSL Championships | |
| 2936 | Annie Zhang | 48.91 | 10 | B Min | BB: 48.69 (+0.22s | 0.4%) | Northern Colorado Swim Club | 01/03/2026 | 2025 CO NOCO Team Intra Squad | |
| 2937 | Caitlin Ashley | 48.91 | 10 | B Min | BB: 48.69 (+0.22s | 0.4%) | Middies Wave Ryders | 02/13/2026 | 39th Black History Swim Meet | |
| 2938 | Scarlett Clauer | 48.91 | 10 | B Min | BB: 48.69 (+0.22s | 0.4%) | Longhorn Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 2939 | Abigail Wagenknecht | 48.91 | 10 | B Min | BB: 48.69 (+0.22s | 0.4%) | Aces Swim Club | 11/23/2024 | 2024 CO CUDA Pentathlon XXXVII | |
| 2940 | Abigail Gordon | 48.91 | 9 | B Min | BB: 48.69 (+0.22s | 0.4%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 2941 | Yubin Kim | 48.92 | 10 | B Min | BB: 48.69 (+0.23s | 0.5%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 2942 | Vela Remaniak | 48.92 | 10 | B Min | BB: 48.69 (+0.23s | 0.5%) | Unattached | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 2943 | Anna Bennett | 48.92 | 10 | B Min | BB: 48.69 (+0.23s | 0.5%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 2944 | Madelyn Steinhauer | 48.92 | 9 | B Min | BB: 48.69 (+0.23s | 0.5%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 2945 | Mia Tibulschii | 48.92 | 9 | B Min | BB: 48.69 (+0.23s | 0.5%) | Mason Makos Swim Team | 01/16/2026 | GSA January Jump Start 2026 | |
| 2946 | Claire Kelly | 48.92 | 9 | B Min | BB: 48.69 (+0.23s | 0.5%) | Issaquah Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 2947 | Evelyn Wiater | 48.93 | 10 | B Min | BB: 48.69 (+0.24s | 0.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/01/2026 | February Closed Invite | |
| 2948 | Harper Nguyen | 48.93 | 8 | B Min | BB: 48.69 (+0.24s | 0.5%) | Columbia Aquatics Association | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 2949 | Evalyn Rouse | 48.93 | 9 | B Min | BB: 48.69 (+0.24s | 0.5%) | Green Bay Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 2950 | Genevieve Fischer | 48.93 | 10 | B Min | BB: 48.69 (+0.24s | 0.5%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
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.