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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Seth Leslie | 11.97 | 10 | AAAA Min | Aberdeen Swim Club | 06/21/2024 | 2024 Splash Central Invitational | ||
| 2 | Oliver Bao | 17.92 | 10 | AAAA Min | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 3 | Finn Reimers | 20.05 | 10 | AAAA Min | Pierre Swim Team | 06/28/2025 | 2025 SD Summer Starter | ||
| 4 | Gabriel Brown | 34.41 | 10 | AAAA Min | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | ||
| 5 | Robert Legg | 35.42 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 6 | Albert Xiao | 35.45 | 10 | AAAA Min | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 7 | Marcus Soetanto | 35.54 | 10 | AAAA Min | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | ||
| 8 | Kyle OuYang | 35.86 | 10 | AAAA Min | Arizona Swimming | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 9 | Brooks Fraser | 36.00 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 10 | Hoshi Aono | 36.07 | 10 | AAAA Min | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | ||
| 11 | Luka McGrath | 36.15 | 10 | AAAA Min | Multnomah Athletic Club | 07/05/2025 | Pendleton Open 2025 | ||
| 12 | Ethan Locke | 36.22 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 13 | David Li | 36.42 | 10 | AAAA Min | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 14 | Tate Robinson | 36.52 | 10 | AAAA Min | Eagle Swimming Association | 07/16/2025 | 2025 Texas Age Group Championships | ||
| 15 | Declan Wang | 36.72 | 10 | AAAA Min | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | ||
| 16 | Sebastian Hunte | 36.76 | 10 | AAAA Min | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | ||
| 17 | Declan Neth | 36.81 | 10 | AAAA Min | Mission Viejo Nadadores | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 18 | Rubix Szolusha | 37.03 | 10 | AAA Min | AAAA: 36.99 (+0.04s | 0.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 19 | Isen Wolfe | 37.20 | 10 | AAA Min | AAAA: 36.99 (+0.21s | 0.6%) | Saint Petersburg Aquatics | 06/19/2025 | 2025 Shark Open | |
| 20 | David Powell | 37.24 | 10 | AAA Min | AAAA: 36.99 (+0.25s | 0.7%) | Heartland Swim Assoc | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 21 | Evan Morehouse | 37.57 | 10 | AAA Min | AAAA: 36.99 (+0.58s | 1.5%) | Brookings Swim Club | 06/06/2025 | 2025 BSC Summer Splash | |
| 22 | Karas Ibrahim | 37.64 | 10 | AAA Min | AAAA: 36.99 (+0.65s | 1.7%) | Canyons Aquatic Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 23 | Zhecheng Zhu | 37.71 | 9 | AAA Min | AAAA: 36.99 (+0.72s | 1.9%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 24 | Guanlin Chen | 37.75 | 9 | AAA Min | AAAA: 36.99 (+0.76s | 2.0%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 25 | Micah Vargas | 38.07 | 10 | AAA Min | AAAA: 36.99 (+1.08s | 2.8%) | Dallas Mustangs | 07/16/2025 | 2025 Texas Age Group Championships | |
| 26 | Stephen Huang | 38.07 | 10 | AAA Min | AAAA: 36.99 (+1.08s | 2.8%) | DeAnza Cupertino Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 27 | Jayden Liu | 38.10 | 10 | AAA Min | AAAA: 36.99 (+1.11s | 2.9%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 28 | Alexander Kovnatsky | 38.15 | 10 | AAA Min | AAAA: 36.99 (+1.16s | 3.0%) | Unattached | 07/11/2025 | 2025 Age Group Championships | |
| 29 | David Goldenberg | 38.29 | 10 | AAA Min | AAAA: 36.99 (+1.30s | 3.4%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 30 | Adam Aburas | 38.37 | 10 | AAA Min | AAAA: 36.99 (+1.38s | 3.6%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 31 | Caleb Peykoff | 38.37 | 10 | AAA Min | AAAA: 36.99 (+1.38s | 3.6%) | San Clemente Aquatic Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 32 | Joshua Gilbert | 38.47 | 10 | AAA Min | AAAA: 36.99 (+1.48s | 3.8%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 33 | Sebastien Gallant | 38.51 | 10 | AAA Min | AAAA: 36.99 (+1.52s | 3.9%) | Team Minnesota | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 34 | Oliver Brock | 38.54 | 10 | AAA Min | AAAA: 36.99 (+1.55s | 4.0%) | Sierra Marlins Swim Team | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 35 | Aaron Niu | 38.62 | 9 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Flying Fish Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 36 | Wu Zhou | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Unattached | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 37 | Nico Bausher | 38.67 | 10 | AAA Min | AAAA: 36.99 (+1.68s | 4.3%) | Southwest Stars Swim Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 38 | Atticus Hendricks-Smith | 38.70 | 10 | AAA Min | AAAA: 36.99 (+1.71s | 4.4%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 39 | Luke Gamino | 38.74 | 9 | AAA Min | AAAA: 36.99 (+1.75s | 4.5%) | Treasure Coast Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 40 | Henson Terrill | 38.86 | 10 | AAA Min | AAAA: 36.99 (+1.87s | 4.8%) | Hydro Elite Aquatic Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 41 | Eli Savitski | 38.87 | 10 | AAA Min | AAAA: 36.99 (+1.88s | 4.8%) | Highlander Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 42 | Isaac Dai | 38.91 | 9 | AAA Min | AAAA: 36.99 (+1.92s | 4.9%) | Mission Viejo Nadadores | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 43 | Heath Cobb | 38.93 | 9 | AAA Min | AAAA: 36.99 (+1.94s | 5.0%) | Metroplex Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 44 | Ethan Canlas | 38.96 | 10 | AAA Min | AAAA: 36.99 (+1.97s | 5.1%) | Sandpipers of Nevada | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 45 | Jefferson Chiang | 38.98 | 10 | AAA Min | AAAA: 36.99 (+1.99s | 5.1%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 46 | Jaden Moy | 38.99 | 10 | AAA Min | AAAA: 36.99 (+2.00s | 5.1%) | Fast Falcons | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 47 | Francis Li | 39.02 | 9 | AA Min | AAA: 38.99 (+0.03s | 0.1%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 48 | Logan Glick | 39.04 | 10 | AA Min | AAA: 38.99 (+0.05s | 0.1%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 49 | Harrison Carr | 39.07 | 10 | AA Min | AAA: 38.99 (+0.08s | 0.2%) | Aquajets Swim Team | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 50 | Sinan Ozgur | 39.08 | 10 | AA Min | AAA: 38.99 (+0.09s | 0.2%) | Pleasanton Seahawks | 07/31/2025 | 2025 Long Course Far Western Championship | |
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.