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
1 Emma Kurokoshi 39.13 10 AAAA Min Ccat Swimming 07/23/2025 2025 CA SCS Summer A G Champs
2 Irene Zhong 39.60 10 AAAA Min Santa Clara Swim Club 07/31/2025 2025 Long Course Far Western Championship
3 Lauren Lucero 39.77 10 AAAA Min The Spartans of La Canada 07/23/2025 2025 CA SCS Summer A G Champs
4 Emma Xia 40.31 10 AAAA Min Orinda Aquatics 07/11/2025 2025 Age Group Championships
5 Jingquan Zhou 40.93 10 AAAA Min Alto Swim Club 07/31/2025 2025 Long Course Far Western Championship
6 Zoe Chan 40.97 10 AAAA Min Unattached 08/06/2025 2025 Western Zone Age Group Championships
7 Olivia Rao 41.15 9 AAAA Min Unattached 08/06/2025 2025 Western Zone Age Group Championships
8 Ariana Griffiths 41.60 10 AAAA Min Lifetime Swim Team 07/16/2025 2025 Texas Age Group Championships
9 Charleeze Medford 41.74 10 AAAA Min Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
10 Kamryn Kelley 41.75 10 AAAA Min Sierra Nevada Swimming 08/06/2025 2025 Western Zone Age Group Championships
11 Iris Liu 41.77 8 AAAA Min Florida Atlantic Aquatics 08/06/2025 2025 Summer Elite Showcase
12 Deara Chen 41.86 10 AAAA Min Sporting Jax Aquatic Club 07/10/2025 2025 FL Summer Age Group Championships
13 Miya Liang 42.15 10 AAA Min AAAA: 42.09 (+0.06s | 0.1%) Otter Swim Club 07/31/2025 2025 Long Course Far Western Championship
14 Alana Shelton 42.47 10 AAA Min AAAA: 42.09 (+0.38s | 0.9%) Laker Swim 07/10/2025 2025 FL Summer Age Group Championships
15 Zixi Liu 42.48 9 AAA Min AAAA: 42.09 (+0.39s | 0.9%) Pacific Dragons Swim Team 07/24/2025 2025 PN LC 12 U Championships
16 Madison Huynh 42.97 10 AAA Min AAAA: 42.09 (+0.88s | 2.0%) Golden West Swim Club 07/23/2025 2025 CA SCS Summer A G Champs
17 Eleanor Amys-Roe 43.32 10 AAA Min AAAA: 42.09 (+1.23s | 2.8%) Northfield Swim Club 07/23/2025 2025 MN NSAC 10 U LC State Championship
18 Maya Pierskalla 43.37 10 AAA Min AAAA: 42.09 (+1.28s | 3.0%) Team Minnesota 07/31/2025 2025 Central Zone 14 Under Championship Mee
19 Greer Nielsen 43.40 10 AAA Min AAAA: 42.09 (+1.31s | 3.0%) Area Tallahassee Aquatic Club 07/10/2025 2025 FL Summer Age Group Championships
20 Elizabeth Atrous 43.47 9 AAA Min AAAA: 42.09 (+1.38s | 3.2%) Unattached 07/10/2025 2025 FL Summer Age Group Championships
21 Adriana Logan 43.84 10 AAA Min AAAA: 42.09 (+1.75s | 4.0%) Racers Swim Club 06/12/2025 2025 RAFC Summer Solstice
22 Journey Maus 43.85 9 AAA Min AAAA: 42.09 (+1.76s | 4.0%) Gulf Coast Swim Team 07/10/2025 2025 FL Summer Age Group Championships
23 Adeline Farrier 43.86 9 AAA Min AAAA: 42.09 (+1.77s | 4.0%) Clearwater Aquatic Team 05/16/2025 2025 SYS Memorial Meet
24 Hellen Xia 43.98 9 AAA Min AAAA: 42.09 (+1.89s | 4.3%) Trident Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
25 Isabella Cooke 44.01 10 AAA Min AAAA: 42.09 (+1.92s | 4.4%) Aptos Cabrillo Swim Club 07/31/2025 2025 Long Course Far Western Championship
26 Evalyn Lee 44.22 9 AAA Min AAAA: 42.09 (+2.13s | 4.8%) Cypress Fairbanks Swim Club 07/16/2025 2025 Texas Age Group Championships
27 Ava Liu 44.28 10 AAA Min AAAA: 42.09 (+2.19s | 4.9%) Trident Swim Club 06/12/2025 2025 CA SCS RAA June Age Group Championships
28 Mio Murdock 44.31 9 AA Min AAA: 44.29 (+0.02s | 0.0%) Rose Bowl Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
29 Elizabeth Atrous 44.32 9 AA Min AAA: 44.29 (+0.03s | 0.1%) Patriot Aquatics 05/16/2025 2025 PA Long Course Invite
30 Alana Jaidar 44.34 9 AA Min AAA: 44.29 (+0.05s | 0.1%) The Claremont Club 06/12/2025 2025 CA SCS RAA June Age Group Championships
31 Melinda Ramirez Perez 44.40 10 AA Min AAA: 44.29 (+0.11s | 0.2%) Alamo Area Aquatic Association 07/10/2025 2025 ST AAAA STAGS LC Championship
32 Anastasiia Beznosiuk 44.43 10 AA Min AAA: 44.29 (+0.14s | 0.3%) Tampa Bay Aquatics 07/10/2025 2025 FL Summer Age Group Championships
33 Abigail Lange 44.46 9 AA Min AAA: 44.29 (+0.17s | 0.4%) Racer X Aquatics 06/12/2025 Holtrey Summer Classic
34 Ella Zu 44.50 10 AA Min AAA: 44.29 (+0.21s | 0.5%) California Dolphins Swim Team 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
35 Elissa Xia 44.52 10 AA Min AAA: 44.29 (+0.23s | 0.5%) Pacific Dragons Swim Team 06/27/2025 2025 PN SMAC Summer Classic Invitational
36 Ella Xu 44.58 8 AA Min AAA: 44.29 (+0.29s | 0.7%) Team 300 07/16/2025 2025 Texas Age Group Championships
37 Renee Lu 44.65 9 AA Min AAA: 44.29 (+0.36s | 0.8%) Capital of Texas Aquatics 05/02/2025 2025 ST ASC Cinco De Mayo
38 Allie Hsu 44.73 10 AA Min AAA: 44.29 (+0.44s | 1.0%) Nitro Swimming 05/11/2025 2025 ST NTRO LC Springing Into May
39 Bernadette Hill 44.75 10 AA Min AAA: 44.29 (+0.46s | 1.0%) Unattached 07/31/2025 2025 Central Zone 14 Under Championship Mee
40 Norah Pearson 44.80 10 AA Min AAA: 44.29 (+0.51s | 1.1%) Monticello Swim Club 07/23/2025 2025 MN NSAC 10 U LC State Championship
41 Aubrey Brewer 44.81 10 AA Min AAA: 44.29 (+0.52s | 1.2%) Mission Viejo Nadadores 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
42 Emma Zhang 44.84 8 AA Min AAA: 44.29 (+0.55s | 1.2%) Unattached 08/07/2024 2024 EZ LC Age Group Championship
43 Morgan Reynosa 44.87 10 AA Min AAA: 44.29 (+0.58s | 1.3%) Alamo Area Aquatic Association 07/16/2025 2025 Texas Age Group Championships
44 Summer Choudhry 44.87 10 AA Min AAA: 44.29 (+0.58s | 1.3%) Pro Swimming 07/24/2025 2025 PN LC 12 U Championships
45 Charlotte Mahan 44.89 10 AA Min AAA: 44.29 (+0.60s | 1.3%) Texas Elite Swim Team 07/16/2025 2025 Texas Age Group Championships
46 Elin Umansky 44.90 10 AA Min AAA: 44.29 (+0.61s | 1.4%) YMCA of Florida\\\\\\'s First Coast 06/27/2025 SwimRise Season Finale
47 Jordan Heller 45.02 9 AA Min AAA: 44.29 (+0.73s | 1.6%) Sparks Piranhas Swim Team 05/23/2025 2025 Intermountain Classic Long Course Meet
48 Jacey Huang 45.02 10 AA Min AAA: 44.29 (+0.73s | 1.6%) Irvine Novaquatics 06/12/2025 2025 June Age Group Invite
49 Evelynn Delaney 45.09 10 AA Min AAA: 44.29 (+0.80s | 1.8%) Granite City Aquatics 07/23/2025 2025 MN NSAC 10 U LC State Championship
50 Brecklyn Gunning 45.26 10 AA Min AAA: 44.29 (+0.97s | 2.1%) Denver Swim Academy 06/06/2025 2025 CO NJ Summer Solstice Invitational

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.