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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4651 | Van Calicchio | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Plantation Swim Team | 10/03/2025 | Early October Central Park Series | |
| 4652 | Matthew Monteleone | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Raleigh Swimming Association | 10/11/2025 | 2025 CAT Rock The Block | |
| 4653 | Yihao Wu | 46.51 | 9 | B Min | BB: 42.89 (+3.62s | 7.8%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 4654 | Ethan Thomas | 46.51 | 10 | B Min | BB: 42.89 (+3.62s | 7.8%) | Memphis Tiger Swimming | 10/24/2026 | 2026 MTAC Fall Invite | |
| 4655 | Patrick Lytle | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4656 | Min Setsuda | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Spartan Aquatic Club | 01/16/2026 | SLA Arctic Blast 2026 | |
| 4657 | Marlon Chinchilla | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Piranha Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 4658 | Andy McCutchen | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Gsa | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
| 4659 | Spencer Drummond | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Pacific Swim | 10/04/2026 | 2026 SI ICAC 14U RISING STARS 1 | |
| 4660 | Lincoln DeVilbiss | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Pacific Swim | 07/18/2026 | 2026 SI ICAC 14U RISING STARS 3 | |
| 4661 | Daniel Dvornikov | 46.52 | 10 | B Min | BB: 42.89 (+3.63s | 7.8%) | Oldham County Family YMCA | 10/10/2026 | 2026 Tsunami Fall Invitational | |
| 4662 | Brij Fitzgerald | 46.53 | 9 | B Min | BB: 42.89 (+3.64s | 7.8%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 4663 | Lerone Davis | 46.53 | 8 | B Min | BB: 42.89 (+3.64s | 7.8%) | Manhattan Makos | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4664 | Jacob Johnson | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | YMCA of Austin Swim Alliance | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 4665 | John Brethauer | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | YMCA Presidio Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 4666 | George Barksdale | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | Lynchburg YMCA Swim Team | 01/02/2026 | 2026 LY Winter Invitational | |
| 4667 | Baden Brown | 46.53 | 9 | B Min | BB: 42.89 (+3.64s | 7.8%) | Rancho San Dieguito | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 4668 | Jack Mancha | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 4669 | Graycin Wilson | 46.54 | 8 | B Min | BB: 42.89 (+3.65s | 7.8%) | Wheeling YMCA | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 4670 | Jordan Bang | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 4671 | William Tinnin | 46.54 | 10 | B Min | BB: 42.89 (+3.65s | 7.8%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4672 | Robin Ochoa | 46.54 | 8 | B Min | BB: 42.89 (+3.65s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4673 | Liam McGowan | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Sachem Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4674 | Samuel Holloway | 46.54 | 10 | B Min | BB: 42.89 (+3.65s | 7.8%) | Ohana Swim Team | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 4675 | Spencer Madriaga | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Dart Swimming | 09/26/2026 | 2026 CCA Spook Tacular | |
| 4676 | Odin Hoersting | 46.54 | 9 | B Min | BB: 42.89 (+3.65s | 7.8%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 4677 | Jason Williams | 46.54 | 8 | B Min | BB: 42.89 (+3.65s | 7.8%) | Huntsville Swim Association | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 4678 | Cesar Garcia | 46.55 | 9 | B Min | BB: 42.89 (+3.66s | 7.9%) | EL Paso Border Land Swim Team | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 4679 | Eric Li | 46.55 | 8 | B Min | BB: 42.89 (+3.66s | 7.9%) | Pacific Dragons Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 4680 | Preston Bao | 46.56 | 10 | B Min | BB: 42.89 (+3.67s | 7.9%) | Rancho San Dieguito | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 4681 | Jayden Hu | 46.56 | 9 | B Min | BB: 42.89 (+3.67s | 7.9%) | Los Angeles Swim Club | 10/25/2025 | CANY Harry Potter Meet | |
| 4682 | Ellis Boyle | 46.56 | 8 | B Min | BB: 42.89 (+3.67s | 7.9%) | TONAWANDA TITANS | 10/23/2026 | TTSC Halloween Meet 2026 | |
| 4683 | Silas Stutzman | 46.57 | 9 | B Min | BB: 42.89 (+3.68s | 7.9%) | Merritt Athletic Swimming | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4684 | Ethan Harras | 46.57 | 8 | B Min | BB: 42.89 (+3.68s | 7.9%) | Utica Shelby Swim Club | 03/24/2026 | 2026 USSC Shamrock Splash | |
| 4685 | Cory Benedict | 46.57 | 10 | B Min | BB: 42.89 (+3.68s | 7.9%) | Portland Porpoise Swim Club | 07/22/2026 | 2026 NE ABF Summer Fun Meet | |
| 4686 | Seamus Kelly | 46.57 | 8 | B Min | BB: 42.89 (+3.68s | 7.9%) | Greenwood Tiger Sharks | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 4687 | Isaac Dela Cruz | 46.57 | 8 | B Min | BB: 42.89 (+3.68s | 7.9%) | Nitro Swimming | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
| 4688 | Bode Lanning | 46.58 | 10 | B Min | BB: 42.89 (+3.69s | 7.9%) | Millard Aquatic Club | 12/08/2025 | 2025 MW SCSC MAC Dual | |
| 4689 | Ryan Del Rosario | 46.58 | 10 | B Min | BB: 42.89 (+3.69s | 7.9%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 4690 | Benjamin Jasinski | 46.58 | 10 | B Min | BB: 42.89 (+3.69s | 7.9%) | Fairfax Foxes Swimming | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 4691 | Advith Vallakati | 46.58 | 10 | B Min | BB: 42.89 (+3.69s | 7.9%) | Buckeye Swim Club | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 4692 | Dean Lovaglio | 46.58 | 9 | B Min | BB: 42.89 (+3.69s | 7.9%) | Farmingdale Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 4693 | Daniel Sheng | 46.58 | 10 | B Min | BB: 42.89 (+3.69s | 7.9%) | San Diego Swim Club | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 4694 | Jonas Brown | 46.59 | 10 | B Min | BB: 42.89 (+3.70s | 7.9%) | Karishim Swim Club | 10/10/2025 | 2025 NE CRA October Distance Specialty Meet | |
| 4695 | Sebastian Hopkins | 46.59 | 8 | B Min | BB: 42.89 (+3.70s | 7.9%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4696 | Arvin Chen | 46.59 | 10 | B Min | BB: 42.89 (+3.70s | 7.9%) | Flushing YMCA | 10/18/2025 | 2025 MR Flushing Y Junior Swim Championships | |
| 4697 | Theodore Gramer | 46.59 | 10 | B Min | BB: 42.89 (+3.70s | 7.9%) | SwimTLC-Parker Phenomena Swim | 01/10/2025 | 2025 CO NJ Pineapple Invitational | |
| 4698 | Jayden Suh | 46.59 | 8 | B Min | BB: 42.89 (+3.70s | 7.9%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4699 | Mark Liesmanas | 46.59 | 8 | B Min | BB: 42.89 (+3.70s | 7.9%) | Sporting Jax Aquatic Club | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 4700 | Elias Braginton | 46.59 | 8 | B Min | BB: 42.89 (+3.70s | 7.9%) | Lakeridge Swim Team | 09/11/2026 | Molly Lahlum Memorial Autumn Freeze | |
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.