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 | 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 | |
| 52 | Benjamin Balmaceda | 45.97 | 10 | A Min | AA: 45.79 (+0.18s | 0.4%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 53 | Logan Liew | 46.03 | 10 | A Min | AA: 45.79 (+0.24s | 0.5%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 54 | Johann Gomez Ugalde | 46.04 | 10 | A Min | AA: 45.79 (+0.25s | 0.5%) | Southwest Stars Swim Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 55 | Jameson Leung | 46.11 | 10 | A Min | AA: 45.79 (+0.32s | 0.7%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 56 | 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 | |
| 57 | Isaac Toledo | 46.14 | 10 | A Min | AA: 45.79 (+0.35s | 0.8%) | Fusion Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 58 | 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 | |
| 59 | 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 | |
| 60 | Dashel Dean | 46.18 | 10 | A Min | AA: 45.79 (+0.39s | 0.8%) | Occoquan Swimming | 08/06/2025 | 2025 Summer Elite Showcase | |
| 61 | Parker Robinson | 46.20 | 10 | A Min | AA: 45.79 (+0.41s | 0.9%) | Houston Hydra | 07/16/2025 | 2025 Texas Age Group Championships | |
| 62 | Jace Djang | 46.20 | 10 | A Min | AA: 45.79 (+0.41s | 0.9%) | Lake Erie Silver Dolphins | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 63 | Jayden Cheng | 46.35 | 10 | A Min | AA: 45.79 (+0.56s | 1.2%) | Brea Aquatics | 07/25/2024 | 2024 CA SCS BREA Summer A G Champs | |
| 64 | Collier Jacobson | 46.46 | 10 | A Min | AA: 45.79 (+0.67s | 1.4%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 65 | Tucker McCullough | 46.49 | 10 | A Min | AA: 45.79 (+0.70s | 1.5%) | Team Rebel Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 66 | 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 | |
| 67 | 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 | |
| 68 | Russell Choy | 46.65 | 10 | A Min | AA: 45.79 (+0.86s | 1.8%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 69 | Reed Larson | 46.66 | 10 | A Min | AA: 45.79 (+0.87s | 1.9%) | Blue Tide Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 70 | 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 | |
| 71 | Bryce Gardin | 46.76 | 10 | A Min | AA: 45.79 (+0.97s | 2.1%) | California Capital Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 72 | 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 | |
| 73 | 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 | |
| 74 | Lynden Feaste | 46.78 | 9 | A Min | AA: 45.79 (+0.99s | 2.1%) | Can Mississauga Aquatic Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 75 | Christopher Porembka | 46.93 | 10 | A Min | AA: 45.79 (+1.14s | 2.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 76 | Aiden Du | 47.06 | 9 | A Min | AA: 45.79 (+1.27s | 2.7%) | Unattached | 07/16/2025 | 2025 Texas Age Group Championships | |
| 77 | Andrew Lin | 47.07 | 10 | A Min | AA: 45.79 (+1.28s | 2.7%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 78 | Nicholas Liu | 47.08 | 9 | A Min | AA: 45.79 (+1.29s | 2.7%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 79 | Parker Warren | 47.10 | 10 | A Min | AA: 45.79 (+1.31s | 2.8%) | Southwest Stars Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 80 | Jayden Liu | 47.10 | 10 | A Min | AA: 45.79 (+1.31s | 2.8%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 81 | Jonathan Nelson | 47.12 | 10 | A Min | AA: 45.79 (+1.33s | 2.8%) | Utah Valley Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 82 | Nathan Campbell | 47.12 | 9 | A Min | AA: 45.79 (+1.33s | 2.8%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 83 | Ari Thorne | 47.16 | 10 | A Min | AA: 45.79 (+1.37s | 2.9%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 84 | Abraham Cheng | 47.23 | 10 | A Min | AA: 45.79 (+1.44s | 3.0%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 85 | Matias Cardona | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 86 | Anthony Ma | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 87 | Thomas Sayer | 47.38 | 10 | A Min | AA: 45.79 (+1.59s | 3.4%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 88 | Dylan Deahn | 47.43 | 9 | A Min | AA: 45.79 (+1.64s | 3.5%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 89 | Jason Ye | 47.43 | 10 | A Min | AA: 45.79 (+1.64s | 3.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 90 | Mason Ryu | 47.43 | 10 | A Min | AA: 45.79 (+1.64s | 3.5%) | Klg Sports Swim Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 91 | Hamilton Rule | 47.44 | 10 | A Min | AA: 45.79 (+1.65s | 3.5%) | Unattached | 08/06/2025 | 2025 Summer Elite Showcase | |
| 92 | Andy Wang | 47.50 | 10 | A Min | AA: 45.79 (+1.71s | 3.6%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 93 | Luca Tricano | 47.52 | 10 | A Min | AA: 45.79 (+1.73s | 3.6%) | Golden West Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 94 | Owen Newton | 47.54 | 10 | A Min | AA: 45.79 (+1.75s | 3.7%) | SwimNation Aquatics Programs | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 95 | Aleksandr Rybin | 47.55 | 10 | A Min | AA: 45.79 (+1.76s | 3.7%) | King Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 96 | Koku Saddawi-Banno | 47.57 | 9 | A Min | AA: 45.79 (+1.78s | 3.7%) | Jbarracudas Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 97 | Conrad Chiu | 47.66 | 10 | A Min | AA: 45.79 (+1.87s | 3.9%) | Corvallis Aquatic Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 98 | Caleb Peykoff | 47.72 | 10 | A Min | AA: 45.79 (+1.93s | 4.0%) | San Clemente Aquatic Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 99 | Oscar Holler | 47.75 | 10 | B Min | BB: 45.89 (+1.86s | 3.9%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 100 | Clayton Chester | 47.76 | 10 | A Min | AA: 45.79 (+1.97s | 4.1%) | Heartland Swim Assoc | 07/24/2025 | 2025 SI LC AG 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.