USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5101 | Ryley Daigle | 45.88 | 10 | B Min | BB: 42.89 (+2.99s | 6.5%) | Hickory Foundation YMCA Seahor | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 5102 | Shaan Chenam | 45.88 | 9 | B Min | BB: 42.89 (+2.99s | 6.5%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 5103 | Easton Voithofer | 45.88 | 8 | B Min | BB: 42.89 (+2.99s | 6.5%) | Com Aquatics | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 5104 | Riley Chattergoon | 45.88 | 10 | B Min | BB: 42.89 (+2.99s | 6.5%) | Bgc-N. Westchester Marlins | 12/05/2025 | 2025 MR BGNW December 14 Under Invitational | |
| 5105 | Alejandro Rigual Osorno | 45.88 | 9 | B Min | BB: 42.89 (+2.99s | 6.5%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 5106 | Eugene Walsh | 45.88 | 7 | B Min | BB: 42.89 (+2.99s | 6.5%) | Riptide Swim Team | 02/14/2026 | 2026 CO ACES Winter Open | |
| 5107 | Advik Krishnan | 45.89 | 9 | B Min | BB: 42.89 (+3.00s | 6.5%) | Anglerfish Aquatics | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 5108 | Henry Conner | 45.89 | 9 | B Min | BB: 42.89 (+3.00s | 6.5%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 5109 | Jeremiah Veloso | 45.89 | 10 | B Min | BB: 42.89 (+3.00s | 6.5%) | Swim Streamline at Northampton | 11/16/2024 | 2024 NOCH Turkey Classic | |
| 5110 | Logan Brooks | 45.90 | 9 | B Min | BB: 42.89 (+3.01s | 6.6%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 5111 | Nishaad Rao | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | Shawmut Aquatic Club | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 5112 | Gabriel Fabiano | 45.90 | 9 | B Min | BB: 42.89 (+3.01s | 6.6%) | Sporting Jax Aquatic Club | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 5113 | Charles Sutton | 45.90 | 9 | B Min | BB: 42.89 (+3.01s | 6.6%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 5114 | Aiden Kiatrungrit | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 5115 | Thomas Morris | 45.90 | 9 | B Min | BB: 42.89 (+3.01s | 6.6%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 5116 | Grant Levenson | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 5117 | Sterling McCraw | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | City of Mobile Swim Associatio | 10/04/2025 | 2025 CMSA Vance Rose Invitational | |
| 5118 | Jackson Scott | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Coast Gaurd Blue Dolphins | 01/09/2026 | 2026 757swim Splash And Dash | |
| 5119 | Sebastian Alfonso | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Walnut Creek Aquabears | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 5120 | William MacDonald | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 5121 | Luke Jeong | 45.91 | 8 | B Min | BB: 42.89 (+3.02s | 6.6%) | Auburn Aquatics | 10/03/2025 | 2025 SE War Eagle Invitational | |
| 5122 | Owen Lee | 45.91 | 9 | B Min | BB: 42.89 (+3.02s | 6.6%) | Chinook Aquatic Club | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 5123 | Jayce Jenkins | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Amarillo Swim Team | 07/26/2025 | 2025 ST SCY SurgeFest | |
| 5124 | Leo Yang | 45.92 | 10 | B Min | BB: 42.89 (+3.03s | 6.6%) | YMCA Fairfax County Reston | 11/08/2025 | 2025 MAKO GOBBLE GOBBLE INVITATIONAL | |
| 5125 | Finn Blayney | 45.92 | 8 | B Min | BB: 42.89 (+3.03s | 6.6%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 5126 | Samuel Zhou | 45.92 | 9 | B Min | BB: 42.89 (+3.03s | 6.6%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 5127 | Joseph Sheppard | 45.93 | 9 | B Min | BB: 42.89 (+3.04s | 6.6%) | Tide Swimming | 10/10/2025 | 2025 TIDE Atlantic Coast Clash Copied | |
| 5128 | Dominic Coyle | 45.93 | 9 | B Min | BB: 42.89 (+3.04s | 6.6%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 5129 | Zachariah Sivaraj | 45.93 | 8 | B Min | BB: 42.89 (+3.04s | 6.6%) | Sawtooth Aquatic Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 5130 | Adrian Gutierrez | 45.93 | 9 | B Min | BB: 42.89 (+3.04s | 6.6%) | Gulliver Swim Club | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 5131 | Brady Burnsky | 45.94 | 7 | B Min | BB: 42.89 (+3.05s | 6.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 5132 | Bruce Chou | 45.94 | 10 | B Min | BB: 42.89 (+3.05s | 6.6%) | Jbarracudas Swim Team | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 5133 | David Whalen | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Dexter Community Aquatic Club | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 5134 | Hongxiao Chen | 45.94 | 10 | B Min | BB: 42.89 (+3.05s | 6.6%) | Holyoke YMCA Vikings | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 5135 | Davis Starkes | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | Capital Area Aquatics | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 5136 | Aiden Boudjemaa | 45.95 | 8 | B Min | BB: 42.89 (+3.06s | 6.7%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 5137 | Fedor Akimov | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | YMCA Presidio Aquatics | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 5138 | Leo Yu | 45.95 | 9 | B Min | BB: 42.89 (+3.06s | 6.7%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 5139 | Edmund Lin | 45.95 | 9 | B Min | BB: 42.89 (+3.06s | 6.7%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 5140 | Benjamin Nemec | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | Huntsville Swim Association | 12/05/2025 | 2025 Holiday Classic | |
| 5141 | Jackson Thum | 45.96 | 10 | B Min | BB: 42.89 (+3.07s | 6.7%) | Sioux Falls Swim Team | 11/15/2025 | 2025 SD YST Charity Invite | |
| 5142 | Alec Feldhousen | 45.96 | 9 | B Min | BB: 42.89 (+3.07s | 6.7%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 5143 | Rhodes Hetman | 45.96 | 10 | B Min | BB: 42.89 (+3.07s | 6.7%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 5144 | Max Bai | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 5145 | Liam Guerrero | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | New Rochelle YMCA Sailfish Swi | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 5146 | Avery Roberts | 45.97 | 10 | B Min | BB: 42.89 (+3.08s | 6.7%) | Surge Aquatics | 10/18/2025 | 2025 ST SRG SCY Surgetoberfest | |
| 5147 | Leonard Jaime Martinez | 45.97 | 10 | B Min | BB: 42.89 (+3.08s | 6.7%) | Hialeah Swim Club | 09/06/2025 | Sunrise Swimmng Open Invite | |
| 5148 | Leo Briggs | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Decatur Area Swim Team | 11/07/2025 | MSA Veterans Day Invitational | |
| 5149 | Kinnick Smiddy | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | Council Bluffs Swim Club | 01/11/2026 | 2026 MW CBSC Dive Into 2026 | |
| 5150 | Charles Bauer | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Cardinal and Gold Aquatics | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
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.