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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Anna Han | 45.61 | 10 | AA Min | AAA: 44.29 (+1.32s | 2.9%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 52 | Grace Colson | 45.61 | 10 | AA Min | AAA: 44.29 (+1.32s | 2.9%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 53 | Katelyn Rasavongseuk | 45.62 | 10 | AA Min | AAA: 44.29 (+1.33s | 2.9%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 54 | Camila Cepparo | 45.67 | 10 | AA Min | AAA: 44.29 (+1.38s | 3.0%) | Unattached | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 55 | Isabel Stoddard | 45.68 | 9 | AA Min | AAA: 44.29 (+1.39s | 3.0%) | Cottonwood Heights Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 56 | Athena Yeung | 45.73 | 10 | AA Min | AAA: 44.29 (+1.44s | 3.1%) | Alamo Heights Aquatic Club ? A | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 57 | Willow Herod | 45.74 | 9 | AA Min | AAA: 44.29 (+1.45s | 3.2%) | Patriot Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 58 | Ryanna Villaflor | 45.82 | 10 | AA Min | AAA: 44.29 (+1.53s | 3.3%) | Swim Florida | 05/02/2026 | 2026 Sea Dragon May Open | |
| 59 | Elliana Aiken | 45.82 | 10 | AA Min | AAA: 44.29 (+1.53s | 3.3%) | Neptune Swimming | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 60 | Emilia Langdon | 45.87 | 10 | AA Min | AAA: 44.29 (+1.58s | 3.4%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 61 | Hannah Rodriguez | 45.87 | 10 | AA Min | AAA: 44.29 (+1.58s | 3.4%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 62 | Olivia Gonzalez | 45.90 | 10 | AA Min | AAA: 44.29 (+1.61s | 3.5%) | San Dimas Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 63 | Luna Dong | 45.95 | 9 | AA Min | AAA: 44.29 (+1.66s | 3.6%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 64 | Eliana Kopinga | 45.97 | 10 | AA Min | AAA: 44.29 (+1.68s | 3.7%) | Socal Aquatics Association | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 65 | Rowan Breedon | 45.99 | 10 | AA Min | AAA: 44.29 (+1.70s | 3.7%) | Fast Falcons | 05/15/2026 | 2026 FAST May Invite | |
| 66 | Isa Liu | 45.99 | 10 | AA Min | AAA: 44.29 (+1.70s | 3.7%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 67 | Vasilisa Shcherbakova | 46.01 | 10 | AA Min | AAA: 44.29 (+1.72s | 3.7%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 68 | Aiyanna Williams | 46.02 | 9 | AA Min | AAA: 44.29 (+1.73s | 3.8%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 69 | Alyse Tang | 46.07 | 10 | AA Min | AAA: 44.29 (+1.78s | 3.9%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 70 | Alexandra Havril | 46.08 | 10 | AA Min | AAA: 44.29 (+1.79s | 3.9%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 71 | Lillian Kozina | 46.09 | 10 | AA Min | AAA: 44.29 (+1.80s | 3.9%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 72 | Frida Gilcreace | 46.13 | 10 | AA Min | AAA: 44.29 (+1.84s | 4.0%) | South Gate Aquatics Club | 06/12/2025 | 2025 June Age Group Invite | |
| 73 | Amelia Nagle | 46.14 | 10 | AA Min | AAA: 44.29 (+1.85s | 4.0%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 74 | Greta Stone | 46.23 | 10 | AA Min | AAA: 44.29 (+1.94s | 4.2%) | Mount Hood Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 75 | Cora Sharp | 46.25 | 10 | AA Min | AAA: 44.29 (+1.96s | 4.2%) | Hurricanes Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 76 | Olivia Harutyunyan | 46.28 | 9 | AA Min | AAA: 44.29 (+1.99s | 4.3%) | A+ Swimming Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 77 | Nora Julson | 46.30 | 10 | AA Min | AAA: 44.29 (+2.01s | 4.3%) | Seminole Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 78 | Gameela Campbell | 46.33 | 10 | AA Min | AAA: 44.29 (+2.04s | 4.4%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 79 | Marian Pineda | 46.34 | 10 | AA Min | AAA: 44.29 (+2.05s | 4.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 80 | Violet George | 46.36 | 10 | B Min | BB: 46.19 (+0.17s | 0.4%) | COSA Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 81 | Reese Miller | 46.36 | 10 | AA Min | AAA: 44.29 (+2.07s | 4.5%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 82 | Amelia Joseph | 46.40 | 10 | AA Min | AAA: 44.29 (+2.11s | 4.5%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 83 | Isabel Monfort-Chang | 46.41 | 10 | AA Min | AAA: 44.29 (+2.12s | 4.6%) | Unattached | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 84 | Emma Zhao | 46.42 | 10 | AA Min | AAA: 44.29 (+2.13s | 4.6%) | Northside Aquatics | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 85 | Samantha Kipnis | 46.43 | 10 | AA Min | AAA: 44.29 (+2.14s | 4.6%) | Paseo Aquatics Swim Team | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 86 | Michelle Zhang | 46.49 | 10 | AA Min | AAA: 44.29 (+2.20s | 4.7%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 87 | Noelle Liang | 46.50 | 9 | A Min | AA: 46.49 (+0.01s | 0.0%) | Otter Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 88 | Sophia Carroll | 46.52 | 10 | A Min | AA: 46.49 (+0.03s | 0.1%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 89 | Mia Valdiviezo | 46.52 | 10 | A Min | AA: 46.49 (+0.03s | 0.1%) | EL Paso Border Land Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 90 | Reese Degner | 46.56 | 10 | A Min | AA: 46.49 (+0.07s | 0.2%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 91 | Clara Miller | 46.56 | 9 | A Min | AA: 46.49 (+0.07s | 0.2%) | Sunnyvale Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 92 | Madison Lee | 46.57 | 9 | A Min | AA: 46.49 (+0.08s | 0.2%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 93 | Kensington Jones | 46.57 | 9 | A Min | AA: 46.49 (+0.08s | 0.2%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 94 | Annabelle Liu | 46.57 | 10 | A Min | AA: 46.49 (+0.08s | 0.2%) | Sandpipers of Nevada | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 95 | Sheela Gupta | 46.63 | 10 | A Min | AA: 46.49 (+0.14s | 0.3%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 96 | Emmelyn Castro | 46.66 | 10 | A Min | AA: 46.49 (+0.17s | 0.4%) | South Bay Aquatics | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 97 | Ivy Acosta | 46.68 | 10 | A Min | AA: 46.49 (+0.19s | 0.4%) | South Florida Aquatic Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 98 | Emma Salum | 46.72 | 10 | A Min | AA: 46.49 (+0.23s | 0.5%) | Calabasas Waves | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 99 | Sofia Nur | 46.74 | 10 | A Min | AA: 46.49 (+0.25s | 0.5%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 100 | Aria Ergan | 46.74 | 9 | A Min | AA: 46.49 (+0.25s | 0.5%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
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.