USA Boys 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 Charles Liu Bates 45.01 10 AA Min AAA: 43.59 (+1.42s | 3.2%) California Dolphins Swim Team 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
52 Cameron Boitano 45.05 9 AA Min AAA: 43.59 (+1.46s | 3.2%) Pleasanton Seahawks 06/07/2025 2025 06 07 CDST LC C B BB+ Meet
53 Luca Aguilera 45.14 10 AA Min AAA: 43.59 (+1.55s | 3.4%) Roadrunner Aquatics 07/16/2025 Renee And Jim Patterson Meet 2025
25 Breast
45.14
45.14
50 Breast
0.00
45.14
50 Breast
45.14
54 Christian Beauchamp 45.23 10 AA Min AAA: 43.59 (+1.64s | 3.6%) Gator Swim Club 05/30/2025 Hydro4 Summer Open
55 Jercey Zhao 45.31 9 AA Min AAA: 43.59 (+1.72s | 3.8%) Pacific Dragons Swim Team 07/11/2025 2025 PN OCA July Jamboree Invitational
56 Samuel Fuller 45.34 10 AA Min AAA: 43.59 (+1.75s | 3.9%) Rose Bowl Aquatics 07/23/2025 2025 CA SCS Summer A G Champs
57 Jefferson Chiang 45.37 9 AA Min AAA: 43.59 (+1.78s | 3.9%) Irvine Novaquatics 06/12/2025 2025 June Age Group Invite
58 Colton Mueller 45.38 9 AA Min AAA: 43.59 (+1.79s | 3.9%) Coast Gaurd Blue Dolphins 07/25/2024 2024 VA LC Age Group Championships
59 Jasen Brice 45.42 10 AA Min AAA: 43.59 (+1.83s | 4.0%) Tampa Bay Aquatic Club 01/16/2026 2026 TRIALS FUNDRAISER MEET
60 Tate Robinson 45.44 10 AA Min AAA: 43.59 (+1.85s | 4.1%) Eagle Swimming Association 07/16/2025 2025 Texas Age Group Championships
61 Silas Perdue 45.44 10 AA Min AAA: 43.59 (+1.85s | 4.1%) Foothills Swim Team 05/16/2025 2025 CO NJ Ken Kelley Invite
62 Martin Decotigny 45.45 10 AA Min AAA: 43.59 (+1.86s | 4.1%) Alto Swim Club 06/27/2025 Alto Summer Swelter
63 Jayden Liu 45.52 10 AA Min AAA: 43.59 (+1.93s | 4.2%) Katy Aquatic Team For Youth 07/16/2025 2025 Texas Age Group Championships
64 Hudson Kieschnick 45.60 9 AA Min AAA: 43.59 (+2.01s | 4.4%) Houston Hydra 07/16/2025 2025 Texas Age Group Championships
65 Wu Zhou 45.89 9 A Min AA: 45.79 (+0.10s | 0.2%) Arcadia Riptides Swim Club 06/12/2025 2025 SCS June AG Invite @ La Mirada Armada
66 Kayden Masongsong 45.89 10 A Min AA: 45.79 (+0.10s | 0.2%) Terrapins Swim Team 06/07/2025 Orinda Aquatics LC C B BB+ Meet
67 Harvey Zhang 45.91 10 A Min AA: 45.79 (+0.12s | 0.3%) Pro Swimming 07/24/2025 2025 PN LC 12 U Championships
68 Jacob Zechmeister 45.91 10 A Min AA: 45.79 (+0.12s | 0.3%) Minnetonka Swim Club 06/13/2025 2025 MN NSAC Summer Slam Invite
69 Nathan Liu 45.94 9 A Min AA: 45.79 (+0.15s | 0.3%) First Colony Swim Team, Inc. 07/16/2025 2025 Texas Age Group Championships
70 Troy Cary 45.97 9 A Min AA: 45.79 (+0.18s | 0.4%) Alamo Area Aquatic Association 05/16/2025 2025 ST ASC Spring Showcase
71 Axel Arnoldsson 45.97 10 A Min AA: 45.79 (+0.18s | 0.4%) Fenix Swim Club 01/17/2026 2026 Azura Winter Open LCM Invite
72 Benjamin Balmaceda 45.97 9 A Min AA: 45.79 (+0.18s | 0.4%) Alamo Area Aquatic Association 06/27/2025 2025 ST HPAC Long Course STX Championship
73 Logan Liew 46.03 9 A Min AA: 45.79 (+0.24s | 0.5%) Streamliner Aquatics 07/18/2025 2025 LCM Summer Championships
74 Johann Gomez Ugalde 46.04 9 A Min AA: 45.79 (+0.25s | 0.5%) Southwest Stars Swim Club 05/16/2025 2025 PA Long Course Invite
75 Benjamin Hadji 46.05 10 A Min AA: 45.79 (+0.26s | 0.6%) Paseo Aquatics Swim Team 07/23/2025 2025 CA SCS Summer A G Champs
76 Jameson Leung 46.11 9 A Min AA: 45.79 (+0.32s | 0.7%) Trident Aquatic Club 08/06/2025 2025 Summer Elite Showcase
77 Federico Cocchiglia 46.11 10 A Min AA: 45.79 (+0.32s | 0.7%) Mercy HealthPlex Sea Wolves 08/06/2025 2025 Summer Elite Showcase
78 Isaac Toledo 46.14 9 A Min AA: 45.79 (+0.35s | 0.8%) Fusion Aquatics 06/12/2025 2025 CA SCS RAA June Age Group Championships
79 Maxwell Tam 46.16 10 A Min AA: 45.79 (+0.37s | 0.8%) Burlingame Aquatics 06/27/2025 Alto Summer Swelter
80 Kaden Sun 46.16 9 A Min AA: 45.79 (+0.37s | 0.8%) Lakeside Aquatic Club 07/16/2025 2025 Texas Age Group Championships
81 Timur Kochmar 46.17 9 A Min AA: 45.79 (+0.38s | 0.8%) SwimRight Team 01/17/2026 2026 Azura Winter Open LCM Invite
82 Dashel Dean 46.18 9 A Min AA: 45.79 (+0.39s | 0.8%) Occoquan Swimming 08/06/2025 2025 Summer Elite Showcase
83 Parker Robinson 46.20 10 A Min AA: 45.79 (+0.41s | 0.9%) Houston Hydra 07/16/2025 2025 Texas Age Group Championships
84 Jace Djang 46.20 9 A Min AA: 45.79 (+0.41s | 0.9%) Lake Erie Silver Dolphins 07/24/2025 2025 LE Age Group And Senior LC Championships
85 Jay Andresen 46.31 10 A Min AA: 45.79 (+0.52s | 1.1%) Lakeridge Swim Team 06/20/2025 Reno Aquatic Club Gamble
86 Jayden Cheng 46.35 8 A Min AA: 45.79 (+0.56s | 1.2%) Brea Aquatics 07/25/2024 2024 CA SCS BREA Summer A G Champs
87 Collier Jacobson 46.46 10 A Min AA: 45.79 (+0.67s | 1.4%) Unattached 08/06/2025 2025 Western Zone Age Group Championships
88 Nathaniel Barber 46.47 10 A Min AA: 45.79 (+0.68s | 1.5%) Apex 07/05/2025 2025 OR CRST Summer Blast 3
89 Tucker McCullough 46.49 9 A Min AA: 45.79 (+0.70s | 1.5%) Team Rebel Aquatics 07/24/2025 2025 CA SCS RAA Summer A G Champs
90 Adrian Burangulov 46.50 10 A Min AA: 45.79 (+0.71s | 1.5%) Gator Swim Club 07/10/2025 2025 FL Summer Age Group Championships
91 Andrew Finger 46.52 9 A Min AA: 45.79 (+0.73s | 1.6%) Unattached 08/07/2024 2024 EZ LC Age Group Championship
92 Emmett Chen 46.55 10 A Min AA: 45.79 (+0.76s | 1.6%) San Ramon Valley Aquatics 07/31/2025 2025 Long Course Far Western Championship
93 Russell Choy 46.65 9 A Min AA: 45.79 (+0.86s | 1.8%) Aquazot Swim Club 07/24/2025 2025 CA SCS RAA Summer A G Champs
94 Reed Larson 46.66 9 A Min AA: 45.79 (+0.87s | 1.9%) Blue Tide Aquatics 07/16/2025 2025 Texas Age Group Championships
95 Benedict Clarno 46.73 10 A Min AA: 45.79 (+0.94s | 2.0%) Alamo Area Aquatic Association 07/10/2025 2025 ST AAAA STAGS LC Championship
96 Jonah Hoffman 46.73 10 A Min AA: 45.79 (+0.94s | 2.0%) Humboldt Swim Club 06/27/2025 Alto Summer Swelter
97 James Zechmeister 46.76 8 A Min AA: 45.79 (+0.97s | 2.1%) Minnetonka Swim Club 07/23/2025 2025 MN NSAC 10 U LC State Championship
98 Bryce Gardin 46.76 10 A Min AA: 45.79 (+0.97s | 2.1%) California Capital Aquatics 06/20/2025 Reno Aquatic Club Gamble
99 Zachary Darevsky 46.77 10 A Min AA: 45.79 (+0.98s | 2.1%) Mission Aurora Colorado Swimmi 06/27/2025 2025 CO Zone 2 DU Meet
100 Connor Ferguson 46.77 9 A Min AA: 45.79 (+0.98s | 2.1%) Can Mississauga Aquatic Club 01/17/2026 2026 Azura Winter Open LCM Invite

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.