USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5551 | William Singleton | 38.75 | 10 | B: 38.19 (+0.56s | 1.4%) | Life Time Houston Swim Team | 12/20/2024 | MAC Hosted 2024 Gulf Fall Champs | ||
| 5552 | Chris Guan | 38.75 | 9 | B: 38.19 (+0.56s | 1.4%) | South Snohomish Co Dolphins | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 5553 | Micah Roal | 38.75 | 9 | B: 38.19 (+0.56s | 1.4%) | Metro Marlins Swim Team | 05/28/2026 | 2026 MN WAVE A May Zing Minni Meet | ||
| 5554 | Oliver Asiri | 38.75 | 10 | B: 38.19 (+0.56s | 1.4%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | ||
| 5555 | Ben Guenther | 38.76 | 9 | B: 38.19 (+0.57s | 1.5%) | Blue Dolfins | 12/13/2025 | 2025 BD Holiday Invite | ||
| 5556 | Max Lim | 38.76 | 10 | B: 38.19 (+0.57s | 1.5%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | ||
| 5557 | Paul Jeong | 38.76 | 10 | B: 38.19 (+0.57s | 1.5%) | Thunderbird Aquatic Club | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | ||
| 5558 | Gunner Ball | 38.76 | 9 | B: 38.19 (+0.57s | 1.5%) | Lewis Clark Neptune Swim Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | ||
| 5559 | Luke Jeong | 38.76 | 9 | B: 38.19 (+0.57s | 1.5%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | ||
| 5560 | Braden Bird | 38.77 | 10 | B: 38.19 (+0.58s | 1.5%) | Benton Harbor-St. Joseph YMCA | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | ||
| 5561 | Nathaniel Gonzalez | 38.77 | 9 | B: 38.19 (+0.58s | 1.5%) | El Paso Bel Air | 11/07/2025 | 2025 Loretto Cathedral Invite | ||
| 5562 | Daniel Crostic | 38.77 | 9 | B: 38.19 (+0.58s | 1.5%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | ||
| 5563 | Weston Diaz | 38.77 | 9 | B: 38.19 (+0.58s | 1.5%) | Quest Swimming | 12/05/2025 | NOVA December Dip | ||
| 5564 | Cyrus Lurie | 38.77 | 9 | B: 38.19 (+0.58s | 1.5%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | ||
| 5565 | Theodore Antonio | 38.78 | 10 | B: 38.19 (+0.59s | 1.5%) | Bayside Branch YMCA | 11/01/2025 | 2025 NE NBY Freestyle Frenzy Copied | ||
| 5566 | Kairui Yang | 38.78 | 10 | B: 38.19 (+0.59s | 1.5%) | Lifetime Swim Team North Carol | 12/12/2025 | 2025 NC QCD Holiday Invite | ||
| 5567 | Alexander Toohey | 38.78 | 10 | B: 38.19 (+0.59s | 1.5%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 5568 | Xavier Lacson | 38.78 | 10 | B: 38.19 (+0.59s | 1.5%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | ||
| 5569 | Sebastien Oum | 38.78 | 7 | B: 38.19 (+0.59s | 1.5%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | ||
| 5570 | Gavin Shaffer | 38.78 | 8 | B: 38.19 (+0.59s | 1.5%) | Occoquan Swimming | 12/11/2025 | 2025 East Coast WinterFest | ||
| 5571 | Henry Conner | 38.78 | 9 | B: 38.19 (+0.59s | 1.5%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | ||
| 5572 | Barrett Martin | 38.79 | 9 | B: 38.19 (+0.60s | 1.5%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | ||
| 5573 | Nicholas McFarlin | 38.79 | 10 | B: 38.19 (+0.60s | 1.5%) | Magnolia Aquatic Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | ||
| 5574 | Aaron Wei | 38.79 | 9 | B: 38.19 (+0.60s | 1.5%) | Ensworth Aquatics | 12/13/2025 | 2025 Marshmallow Mini | ||
| 5575 | Zeke Mallory | 38.79 | 9 | B: 38.19 (+0.60s | 1.5%) | Alamo Area Aquatic Association | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | ||
| 5576 | Daniel Wang | 38.79 | 10 | B: 38.19 (+0.60s | 1.5%) | Seattle Metropolitan Aquatic C | 11/09/2025 | 2025 PN SMAC November Mini Meet | ||
| 5577 | Emmett Nguyen | 38.80 | 10 | B: 38.19 (+0.61s | 1.6%) | York Swim Club of Northern Vir | 11/21/2025 | 2025 Swim Rock | ||
| 5578 | Nolan Bollinger | 38.80 | 10 | B: 32.79 (+6.01s | 15.5%) | Souderton Seahawks | 04/11/2025 | 2025 GTSA TYR Spring Championship | ||
| 5579 | Christopher Ciaschini | 38.80 | 8 | B: 38.19 (+0.61s | 1.6%) | Seals Aquatics | 11/08/2025 | TCA PC November SC C B A+ | ||
| 5580 | Daniel Cao | 38.80 | 9 | B: 38.19 (+0.61s | 1.6%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | ||
| 5581 | Deen Younus | 38.80 | 10 | B: 38.19 (+0.61s | 1.6%) | The Capitol Sea Devils | 10/25/2025 | 2025 PV Monster Mash | ||
| 5582 | Aleksander Skrzypacz | 38.80 | 10 | B: 38.19 (+0.61s | 1.6%) | Stanford Campus Recreation Ass | 12/06/2025 | Alto Dec 6 7 CBA | ||
| 5583 | Isaac Basinger | 38.80 | 10 | B: 38.19 (+0.61s | 1.6%) | Crosshill Christian | 02/13/2026 | 2026 OR HS 4a 4 | ||
| 5584 | Samuel Kinsman | 38.80 | 9 | B: 38.19 (+0.61s | 1.6%) | North Whidbey Aquatic Club | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | ||
| 5585 | Nikolai Dettman | 38.81 | 10 | B: 38.19 (+0.62s | 1.6%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | ||
| 5586 | Andrew Karalitzky | 38.81 | 8 | B: 38.19 (+0.62s | 1.6%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | ||
| 5587 | Rishen Tayal | 38.81 | 9 | B: 38.19 (+0.62s | 1.6%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 5588 | Jackson Woods | 38.81 | 9 | B: 38.19 (+0.62s | 1.6%) | Inspire Swimming | 01/17/2026 | 2026 ST AAAA NS Frostbite | ||
| 5589 | Peter Ehlers | 38.81 | 8 | B: 38.19 (+0.62s | 1.6%) | MN Flyers Swim Team | 01/25/2026 | 2026 MN HURR January Invitational | ||
| 5590 | Colton Fisher | 38.81 | 9 | B: 38.19 (+0.62s | 1.6%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | ||
| 5591 | Corbin Berrier | 38.81 | 10 | B: 38.19 (+0.62s | 1.6%) | YMCA of Northwest North Caroli | 12/05/2025 | 2025 TYDE Winter Championship | ||
| 5592 | Ryan Horn | 38.81 | 10 | B: 38.19 (+0.62s | 1.6%) | Raleigh Swimming Association | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | ||
| 5593 | Dylan Cooper | 38.81 | 9 | B: 38.19 (+0.62s | 1.6%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | ||
| 5594 | Adam Rieman | 38.81 | 10 | B: 38.19 (+0.62s | 1.6%) | Cascadia Swimming | 05/09/2026 | 2026 Spring Sprinter Invitational | ||
| 5595 | Theodore Gardner | 38.81 | 10 | B: 38.19 (+0.62s | 1.6%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | ||
| 5596 | Elijah Gordon | 38.82 | 10 | B: 38.19 (+0.63s | 1.6%) | Rockford Riptide | 12/13/2025 | 2025 Holiday Cup | ||
| 5597 | Kingston Walls | 38.82 | 9 | B: 38.19 (+0.63s | 1.6%) | Terrapins Swim Team | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | ||
| 5598 | Edward Strok | 38.82 | 8 | B: 38.19 (+0.63s | 1.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | ||
| 5599 | Lucas Kong | 38.82 | 9 | B: 38.19 (+0.63s | 1.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 5600 | Ty Yetter | 38.82 | 8 | B: 38.19 (+0.63s | 1.6%) | T2 Aquatics | 12/04/2025 | RAFC Winter Classic | ||
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.