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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9651 | Apollo Bueno | 55.76 | 9 | B: 48.29 (+7.47s | 13.4%) | Niles - Buchanan YMCA Mariners | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | ||
| 9652 | Bo Thacker | 55.76 | 9 | B: 48.29 (+7.47s | 13.4%) | Virginia Gators | 01/16/2026 | CA Y Winter Rumble Copied | ||
| 9653 | Iven Peredo | 55.76 | 6 | B: 48.29 (+7.47s | 13.4%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | ||
| 9654 | Keagan Cummings | 55.77 | 10 | B: 48.29 (+7.48s | 13.4%) | Royal Swimming | 12/20/2025 | Life Time Michigan Candy Cane Classic | ||
| 9655 | Mason Swanson | 55.77 | 7 | B: 48.29 (+7.48s | 13.4%) | Executive Swim Club | 11/01/2025 | 2025 NE YNS IMX IMR Meet Copied | ||
| 9656 | Neil Lezin | 55.77 | 6 | B: 48.29 (+7.48s | 13.4%) | Swim Lake City Legends | 12/13/2025 | 2025 UTAH Winter Classic | ||
| 9657 | Easton Russell | 55.78 | 10 | B: 48.29 (+7.49s | 13.4%) | Hillsboro Swim Team | 12/13/2025 | 2025 OR HEAT Winter Invitational | ||
| 9658 | Max Kazachok | 55.78 | 10 | B: 48.29 (+7.49s | 13.4%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | ||
| 9659 | Jonathan Kang | 55.78 | 8 | B: 48.29 (+7.49s | 13.4%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | ||
| 9660 | Arata Tanohira | 55.78 | 10 | B: 48.29 (+7.49s | 13.4%) | Desert Shark Swim Club | 02/22/2026 | 2026 BD SC Jr Border Championship | ||
| 9661 | Victor DeLeon | 55.78 | 9 | B: 48.29 (+7.49s | 13.4%) | Sharks Swim Club | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | ||
| 9662 | Dominic Vasquez | 55.78 | 7 | B: 48.29 (+7.49s | 13.4%) | Lakewood Ranch Swim Associatio | 02/21/2026 | CCS Last Chance Meet Feb 2026 | ||
| 9663 | Declan Lay | 55.79 | 10 | B: 48.29 (+7.50s | 13.4%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 9664 | Luke Murphy | 55.79 | 9 | B: 48.29 (+7.50s | 13.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 9665 | Noah Ballard | 55.80 | 6 | B: 48.29 (+7.51s | 13.5%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | ||
| 9666 | Oliver Bao | 55.80 | 10 | B: 48.29 (+7.51s | 13.5%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | ||
| 9667 | Leo Tang | 55.80 | 6 | B: 48.29 (+7.51s | 13.5%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | ||
| 9668 | Hollis Tefs | 55.80 | 8 | B: 48.29 (+7.51s | 13.5%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | ||
| 9669 | Alexander Park | 55.81 | 8 | B: 48.29 (+7.52s | 13.5%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | ||
| 9670 | Omar Muhra | 55.81 | 10 | B: 48.29 (+7.52s | 13.5%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | ||
| 9671 | Everett Allen | 55.81 | 10 | B: 48.29 (+7.52s | 13.5%) | Arlington Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | ||
| 9672 | Enzo Nicoli | 55.82 | 9 | B: 48.29 (+7.53s | 13.5%) | Sprc Stingrays | 12/20/2025 | The Grinch Stole My Times (8 U) 2025 | ||
| 9673 | Nathan Wang | 55.82 | 9 | B: 48.29 (+7.53s | 13.5%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | ||
| 9674 | Finn Tolsdorf | 55.82 | 10 | B: 48.29 (+7.53s | 13.5%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | ||
| 9675 | James Barron | 55.83 | 9 | B: 48.29 (+7.54s | 13.5%) | South Shore Sails | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | ||
| 9676 | Marcus Liu | 55.83 | 10 | B: 48.29 (+7.54s | 13.5%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | ||
| 9677 | Jackson Foraker | 55.83 | 10 | B: 48.29 (+7.54s | 13.5%) | North Coast Aquatics | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | ||
| 9678 | Riku Yoshida | 55.83 | 10 | B: 48.29 (+7.54s | 13.5%) | Hydra Aquatics | 02/27/2026 | 2026 OH BSC SC Regional Championships | ||
| 9679 | Zack Zhang | 55.83 | 8 | B: 48.29 (+7.54s | 13.5%) | Nitro Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | ||
| 9680 | Colin Chuang | 55.83 | 10 | B: 48.29 (+7.54s | 13.5%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
| 9681 | Elliott Friedman | 55.83 | 10 | B: 48.29 (+7.54s | 13.5%) | Sarasota Sharks | 11/15/2024 | 2024 SYS Turkey Meet | ||
| 9682 | Alexander Knight | 55.83 | 9 | B: 48.29 (+7.54s | 13.5%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | ||
| 9683 | Payton Hanks | 55.83 | 7 | B: 48.29 (+7.54s | 13.5%) | Cedar Swim Club | 09/10/2025 | 2025 CSC September Intrasquad | ||
| 9684 | Slate Hancy | 55.83 | 8 | B: 48.29 (+7.54s | 13.5%) | Central Vermont Swim Club | 01/16/2026 | 2026 NE UVAC Bronze Championships | ||
| 9685 | Albert Yan | 55.84 | 10 | B: 48.29 (+7.55s | 13.5%) | California Dolphins Swim Team | 11/02/2024 | SRVA SCY CBBB+ | ||
| 9686 | Callum Cox | 55.84 | 8 | B: 48.29 (+7.55s | 13.5%) | Team Eugene Aquatics | 04/17/2026 | 2026 April Mini Meet | ||
| 9687 | Nandan Basaveni | 55.84 | 9 | B: 48.29 (+7.55s | 13.5%) | Raleigh Swimming Association | 11/21/2025 | 2025 YOTA Arena Turkey Classic | ||
| 9688 | Luke Beacom | 55.84 | 10 | B: 48.29 (+7.55s | 13.5%) | Edina Swim Club | 07/16/2025 | 2025 MN FOXJ July Bronze Quad | ||
| 9689 | Benjamin Bouapha | 55.85 | 10 | B: 48.29 (+7.56s | 13.5%) | Whitmore Lake Waves | 12/13/2025 | 2025 DRD Winter Solstice Meet | ||
| 9690 | Mason Chen | 55.85 | 9 | B: 48.29 (+7.56s | 13.5%) | Life Time Fitness New York Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | ||
| 9691 | Arjun Aluka | 55.85 | 10 | B: 48.29 (+7.56s | 13.5%) | Executive Swim Club | 12/07/2025 | 2025 NE ORO December Meet | ||
| 9692 | Aleksander Hibler | 55.85 | 8 | B: 48.29 (+7.56s | 13.5%) | Albany Armada Aquatics | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | ||
| 9693 | Liam Minehart | 55.86 | 9 | B: 48.29 (+7.57s | 13.6%) | Pride Swimming | 10/18/2025 | 2025 NE RAYS Oktoberfest Specialty Copied | ||
| 9694 | Declan Armstrong | 55.86 | 9 | B: 48.29 (+7.57s | 13.6%) | Sporting Jax Aquatic Club | 09/21/2025 | 2025 Planet Swim Season Opener | ||
| 9695 | Theodore Dietz | 55.86 | 7 | B: 48.29 (+7.57s | 13.6%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | ||
| 9696 | Vincent Labadie | 55.86 | 9 | B: 48.29 (+7.57s | 13.6%) | Jenison | 01/10/2026 | 2026 Zeeland Winter Classic | ||
| 9697 | Leonardo Martinez | 55.87 | 8 | B: 48.29 (+7.58s | 13.6%) | Three Village Swim Club | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | ||
| 9698 | Anthony Gregory | 55.87 | 10 | B: 48.29 (+7.58s | 13.6%) | Retriever Aquatic Club | 09/26/2025 | RAC First Splash 2025 | ||
| 9699 | Simon Chung | 55.87 | 9 | B: 48.29 (+7.58s | 13.6%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | ||
| 9700 | James Royer | 55.87 | 9 | B: 48.29 (+7.58s | 13.6%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad 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.