USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Jonas Labman | 47.06 | 9 | BB Min | A: 42.09 (+4.97s | 10.6%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 1602 | Wade Zamiska | 47.06 | 10 | BB Min | A: 42.09 (+4.97s | 10.6%) | SwimUnited | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1603 | Benjamin Birckholtz | 47.06 | 10 | BB Min | A: 42.09 (+4.97s | 10.6%) | Old Dominion Aquatic Club | 10/04/2025 | ODAC Rising Stars Meet | |
| 1604 | Luis Marin Villaverde | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | Mountainside | 02/14/2025 | 2025 OR HS 6a 2 | |
| 1605 | Nikolay Prokopovych | 47.07 | 9 | BB Min | A: 42.09 (+4.98s | 10.6%) | Amherst Tritons Swim Team | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1606 | Graham Brinker | 47.07 | 9 | BB Min | A: 42.09 (+4.98s | 10.6%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
| 1607 | Rylan Brill | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | Colorado Stingrays Swim Team | 10/16/2026 | 2026 CO PPA Harvest Heats | |
| 1608 | Charlie Cravens | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | SE Missouri Aquatic League | 10/10/2026 | 2026 Saluki Swim Your Own Age | |
| 1609 | Jude Ramirez | 47.08 | 9 | BB Min | A: 42.09 (+4.99s | 10.6%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 1610 | Fionn O'Riordan | 47.09 | 10 | BB Min | A: 42.09 (+5.00s | 10.6%) | Metro Dynasty Swim Team | 02/13/2026 | 39th Black History Swim Meet | |
| 1611 | Drexton Dorvil | 47.09 | 10 | BB Min | A: 42.09 (+5.00s | 10.6%) | Southwest Stars Swim Club | 01/09/2026 | 2026 FAST Polar Plunge | |
| 1612 | Mathis Lewis-Hyder | 47.09 | 10 | BB Min | A: 42.09 (+5.00s | 10.6%) | Sarasota Tsunami Swim Team | 04/18/2026 | CCS Spring Classic 2026 | |
| 1613 | Leo Reyes | 47.10 | 9 | BB Min | A: 42.09 (+5.01s | 10.6%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 1614 | Nathaniel Jones | 47.10 | 10 | BB Min | A: 42.09 (+5.01s | 10.6%) | Swimchester Sailfish | 10/16/2026 | Ryan Moore Invitational | |
| 1615 | Aleksey Lyalko | 47.11 | 9 | BB Min | A: 42.09 (+5.02s | 10.7%) | Regional YMCA of Western Conne | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1616 | Arjun Oak | 47.11 | 9 | BB Min | A: 42.09 (+5.02s | 10.7%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1617 | Gavin Osterman | 47.11 | 10 | BB Min | A: 42.09 (+5.02s | 10.7%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 1618 | John Jackson | 47.12 | 10 | BB Min | A: 42.09 (+5.03s | 10.7%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 1619 | John Golightly | 47.12 | 9 | BB Min | A: 42.09 (+5.03s | 10.7%) | Indian River Aquatics | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 1620 | Lucas Xue | 47.12 | 10 | BB Min | A: 42.09 (+5.03s | 10.7%) | Unattached | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 1621 | Keller Kirkpatrick | 47.13 | 9 | BB Min | A: 42.09 (+5.04s | 10.7%) | Lake Oswego Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 1622 | Spartacus Szymanski | 47.13 | 9 | BB Min | A: 42.09 (+5.04s | 10.7%) | Swim Tampa Aquatics | 07/24/2026 | 2026 Summer Area 3 Championships | |
| 1623 | Adam Wanichek | 47.13 | 10 | BB Min | A: 42.09 (+5.04s | 10.7%) | Bellevue Club Swim Team | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1624 | Oliver Song Zhang | 47.14 | 10 | BB Min | A: 42.09 (+5.05s | 10.7%) | West Coast Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1625 | Adrian Williams | 47.15 | 9 | BB Min | A: 42.09 (+5.06s | 10.7%) | Piranha Swimming | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 1626 | Dominic Coyle | 47.16 | 9 | BB Min | A: 42.09 (+5.07s | 10.8%) | Cardinal and Gold Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 1627 | Gabriel Liu | 47.16 | 10 | BB Min | A: 42.09 (+5.07s | 10.8%) | Southwestern Aquatics Team - S | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 1628 | George Gardner | 47.16 | 9 | BB Min | A: 42.09 (+5.07s | 10.8%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 1629 | Sebastian DeLuca | 47.16 | 9 | BB Min | A: 42.09 (+5.07s | 10.8%) | Patriot Swim Team | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 1630 | Ivan Orozco | 47.16 | 10 | BB Min | A: 42.09 (+5.07s | 10.8%) | El Paso Aqua Posse | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 1631 | Aur Cannaviello Persiche | 47.17 | 9 | BB Min | A: 42.09 (+5.08s | 10.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1632 | Guillermo Dinares Cardenal | 47.17 | 9 | BB Min | A: 42.09 (+5.08s | 10.8%) | Vashon Seals Swim Team | 10/24/2026 | 2026 PN TAC Fall Thunderbird Open Approved | |
| 1633 | Zane Small | 47.17 | 10 | BB Min | A: 42.09 (+5.08s | 10.8%) | Burlingame Aquatics | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 1634 | Hendrix Eldridge | 47.17 | 9 | BB Min | A: 42.09 (+5.08s | 10.8%) | Northside Aquatics | 09/26/2026 | 2026 1st Annual San Antonio Dual Meet Showcas | |
| 1635 | Clark Galyen | 47.18 | 10 | BB Min | A: 42.09 (+5.09s | 10.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1636 | Keenan Corridori | 47.19 | 9 | BB Min | A: 42.09 (+5.10s | 10.8%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 1637 | Liam Cai | 47.19 | 10 | BB Min | A: 42.09 (+5.10s | 10.8%) | Scarlet Aquatics | 01/10/2026 | 2026 PTAC Tiger Invitational | |
| 1638 | Alvaro Hernandez | 47.20 | 10 | BB Min | A: 42.09 (+5.11s | 10.8%) | YMCA of Northwest North Caroli | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1639 | Aksaran Arunkumar | 47.20 | 10 | BB Min | A: 42.09 (+5.11s | 10.8%) | Buffalo Aquatics (Baac) | 10/10/2026 | 2026 Super STAR Series #1 | |
| 1640 | Rhett Stephens | 47.21 | 9 | BB Min | A: 42.09 (+5.12s | 10.8%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1641 | Keathon Clarke | 47.21 | 9 | BB Min | A: 42.09 (+5.12s | 10.8%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 1642 | Walker Riddle | 47.22 | 9 | BB Min | A: 42.09 (+5.13s | 10.9%) | Greensboro Community YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1643 | Benjamin Ng | 47.22 | 9 | BB Min | A: 42.09 (+5.13s | 10.9%) | Harbor Seals | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 1644 | Aaron Zheng | 47.22 | 10 | BB Min | A: 42.09 (+5.13s | 10.9%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1645 | Jeongdam Kong | 47.22 | 10 | BB Min | A: 42.09 (+5.13s | 10.9%) | Waterloo Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1646 | Conrad Brenner | 47.22 | 9 | BB Min | A: 42.09 (+5.13s | 10.9%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 1647 | Lucas Fleck | 47.22 | 10 | BB Min | A: 42.09 (+5.13s | 10.9%) | AC Swim Club | 10/03/2026 | Neptune Swimming Fall Classic | |
| 1648 | Hudson Sydor | 47.23 | 9 | BB Min | A: 42.09 (+5.14s | 10.9%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1649 | Eric Kim | 47.23 | 10 | BB Min | A: 42.09 (+5.14s | 10.9%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | |
| 1650 | James Gillis | 47.23 | 10 | BB Min | A: 42.09 (+5.14s | 10.9%) | YMCA of the Triangle Area Swim | 07/25/2026 | 2026 RSA Flip Flop | |
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.