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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5551 | Emmet Khvan | 48.01 | 8 | B Min | BB: 42.89 (+5.12s | 10.7%) | Stingray Swim Team | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 5552 | Zephan Calix | 48.02 | 8 | B Min | BB: 42.89 (+5.13s | 10.7%) | Prince George\\\\\\'s Parks and Recr | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 5553 | Shu Peng | 48.02 | 8 | B Min | BB: 42.89 (+5.13s | 10.7%) | Aquajets Swim Team | 02/07/2026 | 2026 MN AQJT February Invite | |
| 5554 | Maximilian Kuo | 48.02 | 7 | B Min | BB: 42.89 (+5.13s | 10.7%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 5555 | Will Flynn | 48.02 | 9 | B Min | BB: 42.89 (+5.13s | 10.7%) | FireFish Swim Team | 05/15/2026 | 2026 NE CCSC Medley Mayhem At Sandwich High | |
| 5556 | Andy Hauser | 48.02 | 8 | B Min | BB: 42.89 (+5.13s | 10.7%) | Rochester Swim Club | 10/02/2026 | 2026 MN RSC Fall Pentathlon | |
| 5557 | Alex Zhong | 48.03 | 8 | B Min | BB: 42.89 (+5.14s | 10.7%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 5558 | Nolan Sisul | 48.03 | 9 | B Min | BB: 42.89 (+5.14s | 10.7%) | Heal Swim Club | 10/25/2025 | Trick Or Treat Mini Meet | |
| 5559 | Everett Ng | 48.03 | 9 | B Min | BB: 42.89 (+5.14s | 10.7%) | Riverview Buccaneers Swim Team | 02/06/2026 | 2026 Michigan Open | |
| 5560 | Andrew Cox | 48.03 | 8 | B Min | BB: 42.89 (+5.14s | 10.7%) | North Carolina Aquatic Club | 02/07/2026 | 2026 MOR Snowflake 3 Meet | |
| 5561 | Jasit Singh | 48.03 | 10 | B Min | BB: 42.89 (+5.14s | 10.7%) | X-Cel Swimming | 10/23/2026 | 2026 Fall Festival Of X Cellence | |
| 5562 | Joel Moore | 48.04 | 9 | B Min | BB: 42.89 (+5.15s | 10.7%) | Laramie Swim Club | 01/23/2026 | 2026 CO FAST Winter Open | |
| 5563 | Sebastian Rodriguez | 48.04 | 9 | B Min | BB: 42.89 (+5.15s | 10.7%) | Victory Lane Aquatic Club | 10/25/2025 | 2025 PV MAKO PUMPKIN CLASSIC | |
| 5564 | Noah Tate | 48.04 | 9 | B Min | BB: 42.89 (+5.15s | 10.7%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 5565 | Henry Fisk | 48.04 | 10 | B Min | BB: 42.89 (+5.15s | 10.7%) | Apex | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 5566 | Bode Boone | 48.05 | 9 | B Min | BB: 42.89 (+5.16s | 10.7%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 5567 | Cary Su | 48.05 | 10 | B Min | BB: 42.89 (+5.16s | 10.7%) | Dart Swimming | 09/26/2026 | 2026 CCA Spook Tacular | |
| 5568 | Jack Harvey | 48.06 | 9 | B Min | BB: 42.89 (+5.17s | 10.8%) | Seacoast Swim Club | 10/24/2025 | Boofish Halloween Meet | |
| 5569 | Theodore Canny | 48.06 | 10 | B Min | BB: 42.89 (+5.17s | 10.8%) | SwimTLC-Parker Phenomena Swim | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 5570 | Dylan Myslak | 48.06 | 9 | B Min | BB: 42.89 (+5.17s | 10.8%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 5571 | Kevin Lee | 48.06 | 9 | B Min | BB: 42.89 (+5.17s | 10.8%) | Waterloo Swimming | 09/20/2026 | 2026 ST WLOO September Splash | |
| 5572 | Ryan Hayhow | 48.07 | 9 | B Min | BB: 42.89 (+5.18s | 10.8%) | Jenison | 02/28/2026 | 2026 JAWS Last Chance Meet | |
| 5573 | Adriano Bildner | 48.07 | 8 | B Min | BB: 42.89 (+5.18s | 10.8%) | El Paso Aqua Posse | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 5574 | Milo Gordon | 48.07 | 8 | B Min | BB: 42.89 (+5.18s | 10.8%) | Flatiron Athletic Club | 01/17/2025 | 2025 CO CUDA Classic | |
| 5575 | Ryan Guzman | 48.07 | 10 | B Min | BB: 42.89 (+5.18s | 10.8%) | Alamo Area Aquatic Association | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | |
| 5576 | Yash Bharambe | 48.07 | 10 | B Min | BB: 42.89 (+5.18s | 10.8%) | Sunnyvale Swim Club | 10/24/2026 | SUNN Fall Classic 2026 | |
| 5577 | Aiden Zhu | 48.07 | 10 | B Min | BB: 42.89 (+5.18s | 10.8%) | Sunnyvale Swim Club | 10/24/2026 | SUNN Fall Classic 2026 | |
| 5578 | Grayson Moretta | 48.08 | 8 | B Min | BB: 42.89 (+5.19s | 10.8%) | Empire Swimming | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 5579 | Vincent VanDersarl | 48.08 | 9 | B Min | BB: 42.89 (+5.19s | 10.8%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 5580 | Michael Elton | 48.08 | 10 | B Min | BB: 42.89 (+5.19s | 10.8%) | High Tides Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 5581 | Ronin Coleman | 48.08 | 8 | B Min | BB: 42.89 (+5.19s | 10.8%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 5582 | John Cosgrove | 48.08 | 10 | B Min | BB: 42.89 (+5.19s | 10.8%) | Sonoma Sea Dragons | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 5583 | Dylan Kossack | 48.08 | 10 | B Min | BB: 42.89 (+5.19s | 10.8%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 5584 | Davian Garcia | 48.08 | 9 | B Min | BB: 42.89 (+5.19s | 10.8%) | Gulf Coast Swim Team | 09/19/2026 | 2026 GCST FALL OPEN | |
| 5585 | Maximilian Krumholtz | 48.08 | 9 | B Min | BB: 42.89 (+5.19s | 10.8%) | T2 Aquatics | 10/16/2026 | 2026 T2 Spooktacular | |
| 5586 | Tahj Lyons | 48.08 | 9 | B Min | BB: 42.89 (+5.19s | 10.8%) | San Antonio Wave | 10/09/2026 | 2026 ST SASA Sombrero Dos | |
| 5587 | Foster Felkey | 48.09 | 9 | B Min | BB: 42.89 (+5.20s | 10.8%) | Aspire Aquatics of Colorado | 09/27/2026 | 2026 CO Aspire Stanley Duck Invite | |
| 5588 | William Zhu | 48.10 | 8 | B Min | BB: 42.89 (+5.21s | 10.8%) | Westchester Aquatic Club | 01/30/2026 | 2026 MR BGNW February Freeze Invitational | |
| 5589 | Caleb Hamlyn | 48.10 | 9 | B Min | BB: 42.89 (+5.21s | 10.8%) | Fairfax Foxes Swimming | 02/20/2026 | 2026 FXFX Forty Niner | |
| 5590 | Zihan Desai | 48.10 | 10 | B Min | BB: 42.89 (+5.21s | 10.8%) | Lone Star Swim Team | 10/19/2024 | 2024 LSST October Open Meet | |
| 5591 | Jake Dehnel | 48.10 | 9 | B Min | BB: 42.89 (+5.21s | 10.8%) | Montverde Aquatic Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 5592 | Jack Da Silva | 48.11 | 8 | B Min | BB: 42.89 (+5.22s | 10.9%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 5593 | Arjun Jois | 48.11 | 8 | B Min | BB: 42.89 (+5.22s | 10.9%) | Houston Bridge Bats | 11/23/2024 | 2024 BATS November Meet | |
| 5594 | Travis Cannata | 48.11 | 10 | B Min | BB: 42.89 (+5.22s | 10.9%) | Crimson Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 5595 | Dominic Causarano | 48.12 | 9 | B Min | BB: 42.89 (+5.23s | 10.9%) | Hauppauge Swimming | 10/26/2025 | 2025 MR HAUP Halloween Meet | |
| 5596 | Alden Harris | 48.12 | 10 | B Min | BB: 42.89 (+5.23s | 10.9%) | SlipStream Aquatics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 5597 | Benjamin Schwarzer | 48.12 | 8 | B Min | BB: 42.89 (+5.23s | 10.9%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 5598 | Brooks Roehrig | 48.12 | 9 | B Min | BB: 42.89 (+5.23s | 10.9%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 5599 | Carter Baker | 48.12 | 10 | B Min | BB: 42.89 (+5.23s | 10.9%) | Calvert Aquatics Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 5600 | Justin Fu | 48.12 | 9 | B Min | BB: 42.89 (+5.23s | 10.9%) | Newport County YMCA Wahoos | 10/11/2025 | 2025 YMCA Fall Virtual 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.