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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Justin Chi | 36.99 | 9 | A Min | AA: 35.79 (+1.20s | 3.2%) | DeAnza Cupertino Aquatics | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 652 | Yutaka Marescot | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 653 | Arlo Edwards | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Memphis Tiger Swimming | 10/03/2025 | 2025 Tiger Fall Classic | |
| 654 | Robert Mulder | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 655 | Eric Ruan | 37.02 | 9 | A Min | AA: 35.79 (+1.23s | 3.3%) | South East Metro Sharks | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 656 | Evan Jun | 37.02 | 9 | A Min | AA: 35.79 (+1.23s | 3.3%) | Kamehameha Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 657 | Logan Liew | 37.03 | 10 | A Min | AA: 35.79 (+1.24s | 3.3%) | Streamliner Aquatics | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 658 | William Huang | 37.05 | 8 | A Min | AA: 35.79 (+1.26s | 3.4%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 659 | Bennett Cordero | 37.05 | 10 | A Min | AA: 35.79 (+1.26s | 3.4%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 660 | Beckham Funderburk | 37.05 | 10 | A Min | AA: 35.79 (+1.26s | 3.4%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 661 | Zackary Gromowski | 37.06 | 9 | A Min | AA: 35.79 (+1.27s | 3.4%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 662 | Mitch Eichorn | 37.06 | 10 | A Min | AA: 35.79 (+1.27s | 3.4%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 663 | William Fry | 37.06 | 9 | A Min | AA: 35.79 (+1.27s | 3.4%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 664 | Johnny Rudd | 37.07 | 10 | A Min | AA: 35.79 (+1.28s | 3.5%) | Jupiter Dragons Swim Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 665 | Timur Kolchin | 37.07 | 10 | A Min | AA: 35.79 (+1.28s | 3.5%) | Fast Lane Aquatics | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 666 | Vaughn Mastrucci | 37.08 | 9 | A Min | AA: 35.79 (+1.29s | 3.5%) | Saint Petersburg Aquatics | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 667 | Zacharia Labyed | 37.09 | 9 | A Min | AA: 35.79 (+1.30s | 3.5%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 668 | Benjamin Hankinson | 37.09 | 9 | A Min | AA: 35.79 (+1.30s | 3.5%) | Jupiter Dragons Swim Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 669 | Mateo Sison | 37.10 | 10 | A Min | AA: 35.79 (+1.31s | 3.5%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 670 | Anderson Smith | 37.10 | 10 | A Min | AA: 35.79 (+1.31s | 3.5%) | Huntington YMCA Bluefish | 10/11/2025 | 2025 MR TVSC Ann Wycoff Memorial Swim Meet | |
| 671 | Yaroslav Biliavskyi | 37.11 | 10 | A Min | AA: 35.79 (+1.32s | 3.6%) | Tac Titans | 10/18/2025 | 2025 TAC TITANS 12 U Tri Meet | |
| 672 | Gunnels Fernando | 37.11 | 10 | A Min | AA: 35.79 (+1.32s | 3.6%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 673 | Cohen Gray | 37.12 | 10 | A Min | AA: 35.79 (+1.33s | 3.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 674 | Jonathan Brightwell | 37.12 | 10 | A Min | AA: 35.79 (+1.33s | 3.6%) | Wake Aquatics | 02/21/2026 | 2026 SE WAKE Time Trials 21Feb2026 Wake Aquatics | |
| 675 | Max Morgan | 37.12 | 10 | A Min | AA: 35.79 (+1.33s | 3.6%) | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | ||
| 676 | Nathan Campbell | 37.12 | 9 | A Min | AA: 35.79 (+1.33s | 3.6%) | Southwestern Aquatics Team - S | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 677 | Austin Pham | 37.13 | 10 | A Min | AA: 35.79 (+1.34s | 3.6%) | Foothills Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 678 | Jarvis Qu | 37.13 | 9 | A Min | AA: 35.79 (+1.34s | 3.6%) | Mission Viejo Nadadores | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 679 | Tucker McCullough | 37.13 | 10 | A Min | AA: 35.79 (+1.34s | 3.6%) | Team Rebel Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 680 | William Mager | 37.13 | 9 | A Min | AA: 35.79 (+1.34s | 3.6%) | Green Bay Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 681 | Sebastian Wassenaar | 37.15 | 10 | A Min | AA: 35.79 (+1.36s | 3.7%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 682 | Cheng Dou | 37.16 | 10 | A Min | AA: 35.79 (+1.37s | 3.7%) | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 683 | Connor McCracken | 37.17 | 9 | A Min | AA: 35.79 (+1.38s | 3.7%) | Quest Swimming | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 684 | Atticus Kime | 37.18 | 10 | A Min | AA: 35.79 (+1.39s | 3.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 685 | William Gordon | 37.19 | 10 | A Min | AA: 35.79 (+1.40s | 3.8%) | Life Time Fitness New York Swi | 12/21/2025 | 2025 MR SSC Reindeer Games Invitational | |
| 686 | William Haines | 37.19 | 10 | A Min | AA: 35.79 (+1.40s | 3.8%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 687 | Carter Macfarlane | 37.20 | 9 | A Min | AA: 35.79 (+1.41s | 3.8%) | Mason Makos Swim Team | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 688 | Nikoloz Zhorzholiani | 37.22 | 10 | A Min | AA: 35.79 (+1.43s | 3.8%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 689 | Sebastian Feldman | 37.22 | 10 | A Min | AA: 35.79 (+1.43s | 3.8%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 690 | James Marsh | 37.22 | 10 | A Min | AA: 35.79 (+1.43s | 3.8%) | Lifetime Swim Team North Carol | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 691 | Benjamin Turner | 37.23 | 10 | A Min | AA: 35.79 (+1.44s | 3.9%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 692 | Miro Wang | 37.23 | 10 | A Min | AA: 35.79 (+1.44s | 3.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 693 | Tyler Kautz | 37.23 | 9 | A Min | AA: 35.79 (+1.44s | 3.9%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 694 | Timur Kochmar | 37.24 | 9 | A Min | AA: 35.79 (+1.45s | 3.9%) | SwimRight Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 695 | George Makin | 37.24 | 10 | A Min | AA: 35.79 (+1.45s | 3.9%) | Radnor Aquatic Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 696 | Levi Rose | 37.24 | 10 | A Min | AA: 35.79 (+1.45s | 3.9%) | Cavalier Aquatics/Piedmont Fam | 11/08/2025 | CA Y Tri Meet | |
| 697 | Owen Kramer | 37.24 | 10 | A Min | AA: 35.79 (+1.45s | 3.9%) | New Wave Swim Team | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 698 | Elbert Wang | 37.24 | 10 | A Min | AA: 35.79 (+1.45s | 3.9%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 699 | Connor Thompson | 37.25 | 10 | A Min | AA: 35.79 (+1.46s | 3.9%) | Dexter Community Aquatic Club | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 700 | Joseph Sweitzer | 37.26 | 10 | A Min | AA: 35.79 (+1.47s | 3.9%) | Portland Porpoise Swim Club | 07/22/2026 | 2026 NE ABF Summer Fun 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.