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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4401 | Youssef Abdelmaseh | 1:01.22 | 9 | B: 55.39 (+5.83s | 9.5%) | Sarasota Tsunami Swim Team | 06/07/2025 | 2025 SRQ SUMMER AGE GROUP MEET | ||
| 4402 | Anyan Zhi | 1:01.22 | 9 | B: 55.39 (+5.83s | 9.5%) | South East Metro Sharks | 05/08/2026 | 2026 MN STRM Spring Startup | ||
| 4403 | Victor Xu | 1:01.23 | 9 | B: 55.39 (+5.84s | 9.5%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | ||
| 4404 | Seth Davidson | 1:01.24 | 7 | B: 55.39 (+5.85s | 9.6%) | Mighty Marlins Swim Club | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 4405 | Haibo Zhou | 1:01.25 | 8 | B: 55.39 (+5.86s | 9.6%) | Belmont Aquatic Team | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | ||
| 4406 | Jeonghoo Kong | 1:01.26 | 10 | B: 55.39 (+5.87s | 9.6%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 4407 | Amos Taub | 1:01.27 | 10 | B: 55.39 (+5.88s | 9.6%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 4408 | Oliver Young | 1:01.28 | 10 | B: 55.39 (+5.89s | 9.6%) | SOL Swim Team | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | ||
| 4409 | Ari Kautzer | 1:01.28 | 9 | B: 55.39 (+5.89s | 9.6%) | Lakewood Ranch Swim Associatio | 06/07/2025 | 2025 SRQ SUMMER AGE GROUP MEET | ||
| 4410 | Todd Sharpe | 1:01.30 | 9 | B: 55.39 (+5.91s | 9.6%) | Capital of Texas Aquatics | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | ||
| 4411 | Ronnie Chen | 1:01.30 | 7 | B: 55.39 (+5.91s | 9.6%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 4412 | Cash Smithey | 1:01.31 | 9 | B: 55.39 (+5.92s | 9.7%) | Lehi Aquatics | 05/24/2024 | Sizzlin Summer Invite May 2024 | ||
| 4413 | Lincoln Zhang | 1:01.33 | 10 | B: 55.39 (+5.94s | 9.7%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | ||
| 4414 | Lucien Dickert | 1:01.34 | 10 | B: 55.39 (+5.95s | 9.7%) | St Croix Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | ||
| 4415 | Jackson Bisson | 1:01.35 | 10 | B: 55.39 (+5.96s | 9.7%) | Brookings Swim Club | 06/05/2026 | 2026 SD BSC Tropical Summer Splash High Point | ||
| 4416 | Isaac Chen | 1:01.35 | 8 | B: 55.39 (+5.96s | 9.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | ||
| 4417 | Dominic Listella | 1:01.35 | 8 | B: 55.39 (+5.96s | 9.7%) | Spokane Waves Aquatic Team | 06/19/2026 | 2026 SWAT Summer Solstice | ||
| 4418 | M. Garibay E. | 1:01.36 | 8 | B: 55.39 (+5.97s | 9.7%) | A T L | 06/12/2026 | 2026 BD DSSC Poppas Day | ||
| 4419 | Titus Bynum | 1:01.36 | 7 | B: 55.39 (+5.97s | 9.7%) | Unattached | 06/11/2026 | 2026 ST NIST George Block Invitational | ||
| 4420 | Theodore Crane | 1:01.37 | 9 | B: 55.39 (+5.98s | 9.7%) | Bangor YMCA Barracudas | 05/30/2026 | 2026 NE NSSC May Invitational At Colby | ||
| 4421 | Walker Rossi | 1:01.38 | 9 | B: 55.39 (+5.99s | 9.8%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | ||
| 4422 | Colton Coplin-Perez | 1:01.38 | 8 | B: 55.39 (+5.99s | 9.8%) | Swim Excellence Academy | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 4423 | Liam Ferdowsi | 1:01.39 | 8 | B: 55.39 (+6.00s | 9.8%) | Nashville Aquatic Club | 04/18/2026 | HSA April LC Meet | ||
| 4424 | Leonard Deng | 1:01.40 | 10 | B: 55.39 (+6.01s | 9.8%) | Fast | 05/29/2026 | 2026 Meet Me In St Louis Invite | ||
| 4425 | Sebastian Delgado Diaz | 1:01.40 | 10 | B: 55.39 (+6.01s | 9.8%) | Mount Hood Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 4426 | Ira Higgs | 1:01.40 | 9 | B: 55.39 (+6.01s | 9.8%) | Coast Aquatics | 04/11/2026 | CAT5 LC Open 2026 | ||
| 4427 | Jacob Trammell | 1:01.40 | 9 | B: 55.39 (+6.01s | 9.8%) | Rowan Aquatic Club - YMCA | 06/06/2026 | SAC Summer Open | ||
| 4428 | Wayke Lecouris | 1:01.41 | 9 | B: 55.39 (+6.02s | 9.8%) | Sun Coast Swim Team | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | ||
| 4429 | Isaac Wang | 1:01.42 | 10 | B: 55.39 (+6.03s | 9.8%) | Crimson Aquatics | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | ||
| 4430 | James Guyton | 1:01.42 | 10 | B: 55.39 (+6.03s | 9.8%) | Atlantic Coast Athletic Club | 04/17/2026 | NOVA Long Course Kick Off | ||
| 4431 | Tobias Trask | 1:01.46 | 10 | B: 55.39 (+6.07s | 9.9%) | Sprc Stingrays | 04/11/2026 | 2026 Fox April Long Course Invitational | ||
| 4432 | Mark Mohamed | 1:01.46 | 8 | B: 55.39 (+6.07s | 9.9%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | ||
| 4433 | Adrian Mataras | 1:01.46 | 10 | B: 55.39 (+6.07s | 9.9%) | Crimson Aquatics | 04/26/2026 | 2026 NE RIAC Quahog Cup | ||
| 4434 | Charles Sprague | 1:01.47 | 9 | B: 55.39 (+6.08s | 9.9%) | Lakewood Ranch Swim Associatio | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | ||
| 4435 | Nolan Root | 1:01.47 | 10 | B: 55.39 (+6.08s | 9.9%) | Falfins Swimming | 06/20/2025 | 2025 Falfins Long Course Open | ||
| 4436 | Mason Krapp | 1:01.49 | 6 | B: 55.39 (+6.10s | 9.9%) | Thurston Olympians Swim Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 4437 | Landyn Hill | 1:01.50 | 7 | B: 55.39 (+6.11s | 9.9%) | Birmingham Swim Team | 04/18/2026 | 2026 Carson Muir Cowgirl Classic | ||
| 4438 | Matthew Byars | 1:01.51 | 7 | B: 55.39 (+6.12s | 9.9%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | ||
| 4439 | Felix Rao | 1:01.51 | 7 | B: 55.39 (+6.12s | 9.9%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 4440 | Ben Pannucci | 1:01.51 | 9 | B: 55.39 (+6.12s | 9.9%) | Unattached | 05/15/2026 | 2026 Chris Engledow Memorial Meet | ||
| 4441 | Raylan Michealson | 1:01.52 | 8 | B: 55.39 (+6.13s | 10.0%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | ||
| 4442 | James Hokanson | 1:01.52 | 9 | B: 55.39 (+6.13s | 10.0%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | ||
| 4443 | Mason Polackoff | 1:01.52 | 8 | B: 55.39 (+6.13s | 10.0%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | ||
| 4444 | Winston McElderry | 1:01.53 | 7 | B: 55.39 (+6.14s | 10.0%) | Utah Valley Aquatics | 04/12/2025 | 2025 UT HAST LC Kickoff Dev Meet | ||
| 4445 | Max Gordon | 1:01.53 | 9 | B: 55.39 (+6.14s | 10.0%) | Castle Rock Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 4446 | Daniel Chi | 1:01.53 | 10 | B: 55.39 (+6.14s | 10.0%) | Gator Swim Club | 05/16/2025 | 2025 FAST May Invite | ||
| 4447 | Abbott Hoover | 1:01.53 | 8 | B: 55.39 (+6.14s | 10.0%) | Morganton Swim Team | 06/16/2026 | WCSA Summer Meet 1 @ MSC Copied | ||
| 4448 | Everett Duvall | 1:01.54 | 10 | B: 55.39 (+6.15s | 10.0%) | Apex | 07/19/2025 | Apex Intrasquad 3 | ||
| 4449 | Oliver Desouza | 1:01.55 | 8 | B: 55.39 (+6.16s | 10.0%) | Mei\\\\\\'s Typhoons Swimming Club | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | ||
| 4450 | Bennett Sims | 1:01.57 | 8 | B: 55.39 (+6.18s | 10.0%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | ||
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.