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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 Marian Pineda 46.34 10 AA Min AAA: 44.29 (+2.05s | 4.4%) Alto Swim Club 07/19/2025 Alto Last Splash
52 Kellie Liao 46.37 10 AA Min AAA: 44.29 (+2.08s | 4.5%) Seal Beach Swim Club 07/23/2025 2025 CA SCS Summer A G Champs
53 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
54 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
55 Evelyn Xu 46.51 10 A Min AA: 46.49 (+0.02s | 0.0%) Santa Clara Swim Club 07/31/2025 2025 Long Course Far Western Championship
56 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
57 Madison Lee 46.57 9 A Min AA: 46.49 (+0.08s | 0.2%) Olympus Aquatics 07/17/2025 2025 UTAGS LC Championships
58 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
59 Lily Ollison 46.65 10 A Min AA: 46.49 (+0.16s | 0.3%) Coastal Machine Aquatics Club 06/12/2025 2025 CA SCS RAA June Age Group Championships
60 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
61 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
62 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
63 Sienna Silas 46.76 10 A Min AA: 46.49 (+0.27s | 0.6%) Treasure Coast Aquatics 07/10/2025 2025 FL Summer Age Group Championships
64 Yushi Chong 46.76 10 A Min AA: 46.49 (+0.27s | 0.6%) Bellevue Club Swim Team 05/29/2025 2025 IE VS Apple Capital
65 Aurora Cao 46.77 10 A Min AA: 46.49 (+0.28s | 0.6%) Circle City Aquatics 07/24/2025 2025 CA SCS RAA Summer A G Champs
66 Kensington Jones 46.78 9 A Min AA: 46.49 (+0.29s | 0.6%) Palo Alto Stanford Aquatics 06/27/2025 Silicon Valley LC CBA+ Meet
67 Serenity Day 46.83 10 A Min AA: 46.49 (+0.34s | 0.7%) Texas Ford Aquatics 07/16/2025 2025 Texas Age Group Championships
68 Ester Shirley 46.90 10 A Min AA: 46.49 (+0.41s | 0.9%) Wasatch Front Fish Market 07/17/2025 2025 UTAGS LC Championships
69 Sophia Sisk 46.91 10 A Min AA: 46.49 (+0.42s | 0.9%) The Olympic Club 07/11/2025 2025 Age Group Championships
70 Lillian Kozina 46.96 10 A Min AA: 46.49 (+0.47s | 1.0%) Front Range Barracudas 07/25/2025 2025 CO CSI Age Group Championships
71 Aristea Hultine 46.99 10 A Min AA: 46.49 (+0.50s | 1.1%) Denver Swim Academy 07/11/2025 2025 CO ACES DSA Summer Blast Last Chance
72 Eleanora Minko 47.12 10 A Min AA: 46.49 (+0.63s | 1.3%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
73 Athena Yeung 47.22 10 A Min AA: 46.49 (+0.73s | 1.5%) Alamo Area Aquatic Association 06/20/2025 2025 ST AAAA NS George Block Invite
74 Reese Degner 47.25 10 A Min AA: 46.49 (+0.76s | 1.6%) Denver Swim Academy 06/06/2025 2025 CO NJ Summer Solstice Invitational
75 Regina Acosta 47.26 10 A Min AA: 46.49 (+0.77s | 1.6%) EL Paso Border Land Swim Team 07/16/2025 2025 Texas Age Group Championships
76 Claire Allen 47.28 10 A Min AA: 46.49 (+0.79s | 1.7%) Bolles School Sharks 07/10/2025 2025 FL Summer Age Group Championships
77 Kimberly Lee 47.33 10 A Min AA: 46.49 (+0.84s | 1.8%) Aquajets Swim Team 06/13/2025 2025 MN NSAC Summer Slam Invite
78 Elliana Post 47.37 10 A Min AA: 46.49 (+0.88s | 1.9%) Swim Team of Placentia 06/12/2025 2025 CA SCS RAA June Age Group Championships
79 Vera Preda 47.38 10 A Min AA: 46.49 (+0.89s | 1.9%) Swim Streamline at Northampton 07/16/2025 2025 Texas Age Group Championships
80 Bailey Harrell 47.45 9 A Min AA: 46.49 (+0.96s | 2.0%) Southwest Stars Swim Club 06/12/2025 2025 RAFC Summer Solstice
81 Emery Sutter 47.46 10 A Min AA: 46.49 (+0.97s | 2.0%) Colonel Crawford Swim Team 07/24/2025 2025 LE Age Group And Senior LC Championships
82 Amelia Park 47.55 10 A Min AA: 46.49 (+1.06s | 2.2%) Cerritos Aquatic Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
83 Annandale Huang 47.55 9 A Min AA: 46.49 (+1.06s | 2.2%) Irvine Novaquatics 07/23/2025 2025 CA SCS Summer A G Champs
84 Mackenzie Chambers 47.60 10 A Min AA: 46.49 (+1.11s | 2.3%) \\\\\\'y\\\\\\' Speedos Swim Club 01/17/2026 2026 Azura Winter Open LCM Invite
85 Harper Woodard 47.61 10 A Min AA: 46.49 (+1.12s | 2.4%) Alamo Area Aquatic Association 06/27/2025 2025 ST HPAC Long Course STX Championship
86 Emma Liu 47.62 9 A Min AA: 46.49 (+1.13s | 2.4%) Katy Aquatic Team For Youth 07/16/2025 2025 Texas Age Group Championships
87 Willa Li 47.64 9 A Min AA: 46.49 (+1.15s | 2.4%) Irvine Novaquatics 07/23/2025 2025 CA SCS Summer A G Champs
88 Arden Lee 47.68 10 A Min AA: 46.49 (+1.19s | 2.5%) Rosemead Rapids 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
89 Kensie Polumbus 47.68 10 A Min AA: 46.49 (+1.19s | 2.5%) Denver Swim Academy 04/26/2025 2025 CO FST Spring LC Fever
90 Evelyn Stava 47.70 10 A Min AA: 46.49 (+1.21s | 2.5%) Almaden Riptide 07/16/2025 Renee And Jim Patterson Meet 2025
25 Breast
47.70
47.70
50 Breast
0.00
47.70
50 Breast
47.70
91 Polina Vitouchkine 47.70 10 A Min AA: 46.49 (+1.21s | 2.5%) Daly City Dolphins 06/27/2025 Silicon Valley LC CBA+ Meet
92 Dianne Mejias 47.70 10 A Min AA: 46.49 (+1.21s | 2.5%) Velocity Swimming 06/20/2025 2025 IE VS Starlight Open
93 Vallerie Tahzib 47.71 10 A Min AA: 46.49 (+1.22s | 2.6%) Denver Swim Academy 06/19/2025 2025 CO ACES Summer Invite
94 Eva Williams 47.72 10 A Min AA: 46.49 (+1.23s | 2.6%) Los Angeles Swim Club 06/12/2025 2025 CA SCS RAA June Age Group Championships
95 Melody Norouzi 47.78 10 A Min AA: 46.49 (+1.29s | 2.7%) Unattached 07/24/2025 2025 CA SCS Summer A G Champs CANY
96 Allie Harrison 47.81 10 A Min AA: 46.49 (+1.32s | 2.8%) North Coast Aquatics 07/11/2025 2025 SI JBST All Ages NTS Meet
97 Alyssa Luwiharto 47.84 9 A Min AA: 46.49 (+1.35s | 2.8%) Aquazot Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
98 Gianna Forni 47.85 10 A Min AA: 46.49 (+1.36s | 2.8%) Legacy Aquatics 11/01/2025 Oregon City Fall Open 2025
99 Stella Hogendorn 47.89 10 A Min AA: 46.49 (+1.40s | 2.9%) Hurricanes Swim Team 07/23/2025 2025 MN NSAC 10 U LC State Championship
100 Libby Vaughn 47.93 10 A Min AA: 46.49 (+1.44s | 3.0%) Massillon YMCA Gators 06/12/2025 Holtrey Summer Classic

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.