USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Kais Esmail | 43.63 | 10 | BB Min | A: 43.09 (+0.54s | 1.2%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 802 | Jay Kowren | 43.64 | 10 | BB Min | A: 43.09 (+0.55s | 1.3%) | Bainbridge Island Swim Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 803 | Beckett Clasen | 43.64 | 10 | BB Min | A: 43.09 (+0.55s | 1.3%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 804 | Reed Nichols | 43.64 | 10 | BB Min | A: 43.09 (+0.55s | 1.3%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 805 | Zayn Hoffman | 43.65 | 10 | BB Min | A: 43.09 (+0.56s | 1.3%) | Carmel Swim Club | 06/04/2026 | 98th Ohio Valley Championships 2026 | |
| 806 | Tanner Langsdale | 43.65 | 10 | BB Min | A: 43.09 (+0.56s | 1.3%) | York Swim Club of Northern Vir | 05/01/2026 | Speedo Spring Splash | |
| 807 | Jack Wallace | 43.66 | 9 | BB Min | A: 43.09 (+0.57s | 1.3%) | Streamline Aquatic Club | 05/15/2026 | 2026 Officially Summer Invitational | |
| 808 | Logan Krutsinger | 43.66 | 9 | BB Min | A: 43.09 (+0.57s | 1.3%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 809 | River Briscoe | 43.67 | 10 | BB Min | A: 43.09 (+0.58s | 1.3%) | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 810 | Eli Delman | 43.67 | 10 | BB Min | A: 43.09 (+0.58s | 1.3%) | Central Ohio Aquatics | 07/23/2026 | 2026 OH LC Junior Championships | |
| 811 | Jayden Zhong | 43.67 | 10 | BB Min | A: 43.09 (+0.58s | 1.3%) | Hinsdale Swim Club | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 812 | Michael Hefner | 43.68 | 9 | BB Min | A: 43.09 (+0.59s | 1.4%) | Aspen Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 813 | Hudson Fain | 43.68 | 10 | BB Min | A: 43.09 (+0.59s | 1.4%) | Team Charlotte Swimming | 06/25/2026 | ONSA Independence Invitational Copied | |
| 814 | Calvin Wollard | 43.69 | 8 | BB Min | A: 43.09 (+0.60s | 1.4%) | Columbia Swim Club | 06/26/2026 | 88th CSP Summer Invitational | |
| 815 | Elias Morgan | 43.69 | 10 | BB Min | A: 43.09 (+0.60s | 1.4%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 816 | Braydon Li | 43.69 | 10 | BB Min | A: 43.09 (+0.60s | 1.4%) | Buckeye Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 817 | Quentin Zhou | 43.70 | 10 | BB Min | A: 43.09 (+0.61s | 1.4%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 818 | Asher Cariazo | 43.70 | 10 | BB Min | A: 43.09 (+0.61s | 1.4%) | Montrose Marlins Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 819 | Moses Xia | 43.71 | 10 | BB Min | A: 43.09 (+0.62s | 1.4%) | Wasc | 06/11/2026 | 2026 SCS June AG Invite | |
| 820 | Hampton Reed | 43.72 | 10 | BB Min | A: 43.09 (+0.63s | 1.4%) | C.M. Gatton Beaumont YMCA | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 821 | Sterling Stewart | 43.72 | 10 | BB Min | A: 43.09 (+0.63s | 1.4%) | South Lake Aquatic Club | 05/22/2026 | 2026 Dr Aspi Doctor Memorial Swim Invite | |
| 822 | JR Dorer | 43.72 | 9 | BB Min | A: 43.09 (+0.63s | 1.4%) | Columbus Aquatic Club | 05/16/2026 | 2026 Opelika Open | |
| 823 | Michael Ma | 43.73 | 10 | BB Min | A: 43.09 (+0.64s | 1.5%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 824 | Austin Xue | 43.73 | 9 | BB Min | A: 43.09 (+0.64s | 1.5%) | Waterloo Swimming | 07/16/2025 | 2025 Texas Age Group Championships | |
| 825 | Nathaniel Herman | 43.74 | 10 | BB Min | A: 43.09 (+0.65s | 1.5%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 826 | Adam Jiang | 43.76 | 10 | BB Min | A: 43.09 (+0.67s | 1.5%) | Waterloo Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 827 | Callan Bunyan | 43.78 | 9 | BB Min | A: 43.09 (+0.69s | 1.6%) | Southwest Stars Swim Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 828 | Cameron Cheng-Zhang | 43.78 | 10 | BB Min | A: 43.09 (+0.69s | 1.6%) | New Wave Swim Team | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 829 | Matheus Jacqmin Abijaodi | 43.78 | 10 | BB Min | A: 43.09 (+0.69s | 1.6%) | Marlins Of Raleigh | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 830 | Brandon Liu | 43.78 | 10 | BB Min | A: 43.09 (+0.69s | 1.6%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 831 | James Wright | 43.79 | 10 | BB Min | A: 43.09 (+0.70s | 1.6%) | Club Talon | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 832 | Abir Patowary | 43.79 | 10 | BB Min | A: 43.09 (+0.70s | 1.6%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 833 | Maksim Chichetenko | 43.79 | 9 | BB Min | A: 43.09 (+0.70s | 1.6%) | Fast Lane Aquatics | 06/25/2026 | 2026 FAST Independence Invitational | |
| 834 | Brady Nguyen | 43.80 | 10 | BB Min | A: 43.09 (+0.71s | 1.6%) | Greater Pensacola Aquatic Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 835 | Eli LoPiccolo | 43.80 | 10 | BB Min | A: 43.09 (+0.71s | 1.6%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | |
| 836 | Micah Kusbel | 43.80 | 10 | BB Min | A: 43.09 (+0.71s | 1.6%) | Unattached | 04/17/2026 | 1st Annual SAW Vs Streamline Fiesta Showdown | |
| 837 | Aadit Ranade | 43.81 | 9 | BB Min | A: 43.09 (+0.72s | 1.6%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 838 | Garrett Michel | 43.81 | 10 | BB Min | A: 43.09 (+0.72s | 1.6%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 839 | Kamden Striker | 43.83 | 10 | BB Min | A: 43.09 (+0.74s | 1.7%) | Clifton Park-Halfmoon Piranhas | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 840 | Colin Hui | 43.83 | 10 | BB Min | A: 43.09 (+0.74s | 1.7%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 841 | Rylan Cowick | 43.83 | 10 | BB Min | A: 43.09 (+0.74s | 1.7%) | Sheridan Swim Team | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 842 | Ian Cho | 43.84 | 9 | BB Min | A: 43.09 (+0.75s | 1.7%) | Opelika Swim Team | 04/18/2026 | 2026 Carson Muir Cowgirl Classic | |
| 843 | Ryan Karapostoles | 43.85 | 9 | BB Min | A: 43.09 (+0.76s | 1.7%) | Swim Melbourne | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 844 | Emerson Wescott | 43.85 | 10 | BB Min | A: 43.09 (+0.76s | 1.7%) | Stingray Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 845 | Blake Davis | 43.85 | 8 | BB Min | A: 43.09 (+0.76s | 1.7%) | Bolles School Sharks | 05/22/2026 | EAJ Mayhem 2026 | |
| 846 | Alain Mustafin | 43.86 | 10 | BB Min | A: 43.09 (+0.77s | 1.8%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 847 | Kellan Naisbitt | 43.86 | 10 | BB Min | A: 43.09 (+0.77s | 1.8%) | Mission Viejo Nadadores | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 848 | David Grant | 43.86 | 10 | BB Min | A: 43.09 (+0.77s | 1.8%) | Fort Collins Area Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 849 | Brayden Lee | 43.87 | 10 | BB Min | A: 43.09 (+0.78s | 1.8%) | Dedham Health Hydra | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 850 | Oliver Tavey | 43.87 | 9 | BB Min | A: 43.09 (+0.78s | 1.8%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
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.