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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Enric Lee | 43.42 | 10 | BB Min | A: 43.09 (+0.33s | 0.8%) | Bay Club Aquatics | 06/19/2026 | 2026 SI Splash And Dash | |
| 752 | George Laconte | 43.42 | 9 | BB Min | A: 43.09 (+0.33s | 0.8%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 753 | Enoch Duerson | 43.42 | 10 | BB Min | A: 43.09 (+0.33s | 0.8%) | Westerville Aquatic Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 754 | Levi Chong | 43.42 | 8 | BB Min | A: 43.09 (+0.33s | 0.8%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 755 | Henry Croke | 43.42 | 10 | BB Min | A: 43.09 (+0.33s | 0.8%) | Springfield YMCA Swim Team | 05/01/2026 | John Traube Memorial 2026 | |
| 756 | Albert Aizenstat | 43.43 | 9 | BB Min | A: 43.09 (+0.34s | 0.8%) | Sandpipers of Nevada | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 757 | Asher Caponera | 43.44 | 9 | BB Min | A: 43.09 (+0.35s | 0.8%) | Florida Atlantic Aquatics | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 758 | Nico Pantana | 43.44 | 9 | BB Min | A: 43.09 (+0.35s | 0.8%) | Excel Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 759 | Xander Liu | 43.44 | 10 | BB Min | A: 43.09 (+0.35s | 0.8%) | Sailfish | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 760 | Carter Gray | 43.44 | 10 | BB Min | A: 43.09 (+0.35s | 0.8%) | Cleveland Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 761 | Aaron Yang | 43.46 | 10 | BB Min | A: 43.09 (+0.37s | 0.9%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 762 | Colt Lybrand | 43.46 | 10 | BB Min | A: 43.09 (+0.37s | 0.9%) | Unattached | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 763 | Ilay Fisher | 43.46 | 10 | BB Min | A: 43.09 (+0.37s | 0.9%) | Ccat Swimming | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 764 | Luke Battles | 43.46 | 10 | BB Min | A: 43.09 (+0.37s | 0.9%) | Southwest Aquatic Warriors | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 765 | Owen Yuk | 43.47 | 10 | BB Min | A: 43.09 (+0.38s | 0.9%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 766 | Cole Rivard | 43.48 | 9 | BB Min | A: 43.09 (+0.39s | 0.9%) | Quest Swimming | 06/25/2026 | LC Central District Champs | |
| 767 | Anderson Shi | 43.49 | 8 | BB Min | A: 43.09 (+0.40s | 0.9%) | Los Angeles Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 768 | Max Chao | 43.49 | 9 | BB Min | A: 43.09 (+0.40s | 0.9%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 769 | Theodore Scharper | 43.50 | 9 | BB Min | A: 43.09 (+0.41s | 0.9%) | North Baltimore Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 770 | Stuart Shillington | 43.50 | 10 | BB Min | A: 43.09 (+0.41s | 0.9%) | Team Eugene Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 771 | Caelan Murphy | 43.51 | 9 | BB Min | A: 43.09 (+0.42s | 1.0%) | Shawmut Aquatic Club | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 772 | Owen Yusko | 43.52 | 10 | BB Min | A: 43.09 (+0.43s | 1.0%) | Ensworth Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 773 | Adelynn Spurlin | 43.52 | 10 | BB Min | A: 43.09 (+0.43s | 1.0%) | North Jeffco Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 774 | Miguel Morales | 43.52 | 10 | BB Min | A: 43.09 (+0.43s | 1.0%) | Brownsville Aquatics | 05/16/2026 | 2026 ST LC BAS May Swim Meet | |
| 775 | Ely Erickson | 43.52 | 9 | BB Min | A: 43.09 (+0.43s | 1.0%) | Hill Country Aquatics | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 776 | Mason Li | 43.53 | 9 | BB Min | A: 43.09 (+0.44s | 1.0%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 777 | Lucas Jiang | 43.53 | 9 | BB Min | A: 43.09 (+0.44s | 1.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 778 | George Gray | 43.54 | 10 | BB Min | A: 43.09 (+0.45s | 1.0%) | Portland Aquatic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 779 | Hantian You | 43.54 | 10 | BB Min | A: 43.09 (+0.45s | 1.0%) | Lake Oswego Swim Club | 08/01/2026 | 2026 GACC End Of Season | |
| 780 | Grigorii Vasilenko | 43.54 | 9 | BB Min | A: 43.09 (+0.45s | 1.0%) | Legacy Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 781 | Maxen Cao | 43.55 | 10 | BB Min | A: 43.09 (+0.46s | 1.1%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 782 | Emmett Olsen | 43.55 | 9 | BB Min | A: 43.09 (+0.46s | 1.1%) | Edina Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 783 | Mark Kiselev | 43.56 | 9 | BB Min | A: 43.09 (+0.47s | 1.1%) | Royal Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 784 | Luka Radchenko Avondo | 43.56 | 9 | BB Min | A: 43.09 (+0.47s | 1.1%) | Nitro Swimming | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 785 | Austin Wang | 43.56 | 9 | BB Min | A: 43.09 (+0.47s | 1.1%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 786 | Isaac Marcuson | 43.56 | 10 | BB Min | A: 43.09 (+0.47s | 1.1%) | Aspire Aquatics of Colorado | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 787 | Levi Rose | 43.56 | 10 | BB Min | A: 43.09 (+0.47s | 1.1%) | Cavalier Aquatics/Piedmont Fam | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 788 | Luca DeTillio | 43.57 | 10 | BB Min | A: 43.09 (+0.48s | 1.1%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 789 | Alfie Mobbs | 43.57 | 10 | BB Min | A: 43.09 (+0.48s | 1.1%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 790 | Christian Schafer | 43.57 | 10 | BB Min | A: 43.09 (+0.48s | 1.1%) | Lone Star Aquatic Club | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 791 | Charlie Doran | 43.58 | 10 | BB Min | A: 43.09 (+0.49s | 1.1%) | Nova of Virginia | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 792 | Henry Astry | 43.59 | 8 | BB Min | A: 43.09 (+0.50s | 1.1%) | West Express Swim Team | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 793 | Nolan Chaffee | 43.60 | 10 | BB Min | A: 43.09 (+0.51s | 1.2%) | New Wave Swim Team | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 794 | Michael Han | 43.60 | 10 | BB Min | A: 43.09 (+0.51s | 1.2%) | Mei\\\\\\'s Typhoons Swimming Club | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 795 | Mason Priebe | 43.61 | 10 | BB Min | A: 43.09 (+0.52s | 1.2%) | Sheridan Swim Team | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 796 | Coryel Harger | 43.61 | 10 | BB Min | A: 43.09 (+0.52s | 1.2%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 797 | Vivaan Jithesh | 43.62 | 10 | BB Min | A: 43.09 (+0.53s | 1.2%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 798 | Blaze Garcia | 43.62 | 10 | BB Min | A: 43.09 (+0.53s | 1.2%) | Pueblo County Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 799 | Watson She | 43.62 | 10 | BB Min | A: 43.09 (+0.53s | 1.2%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 800 | Dylan Myers | 43.63 | 10 | BB Min | A: 43.09 (+0.54s | 1.2%) | Black Hills Gold Swimming | 06/12/2026 | 2026 RST Coach Beth Rushmore 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.