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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4651 | Rhett Szymanski | 45.14 | 10 | B Min | BB: 42.89 (+2.25s | 5.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4652 | Vishnu Srinivasan | 45.14 | 10 | B Min | BB: 42.89 (+2.25s | 5.0%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 4653 | Caleb Tos | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 4654 | Trenton Ho | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Lone Star Aquatic Club | 09/26/2025 | 2025 ST LSAC Welcome To The Rock | |
| 4655 | Leo Mahnke | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 4656 | Griffin Ketchen | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 4657 | Sidhanth Telang | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Shoals Aquatic Club | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 4658 | Jackson Jimenez-Grimes | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Rattlers Swim Club | 11/02/2025 | 2025 BD Del Norte #2 | |
| 4659 | Elis Fishman | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Badger Swim Club,Inc. | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 4660 | Edwar Cabrera | 45.16 | 8 | B Min | BB: 42.89 (+2.27s | 5.0%) | El Paso Aqua Posse | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 4661 | Kasen Crutcher | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Wasatch Front Fish Market | 11/01/2025 | Dive Into The Unknown 2025 | |
| 4662 | Leland Urban | 45.16 | 9 | B Min | BB: 42.89 (+2.27s | 5.0%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4663 | Ezekiel Cabanilla | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Maui Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 4664 | Jayden Bae | 45.16 | 8 | B Min | BB: 42.89 (+2.27s | 5.0%) | Moons Aquatics Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 4665 | Vihaan Patsamatla | 45.16 | 9 | B Min | BB: 42.89 (+2.27s | 5.0%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 4666 | Landon Ciaccio | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 4667 | Enoch Li | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | |
| 4668 | Colby Senff | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Patuxent Aquatics Club | 02/13/2026 | 39th Black History Swim Meet | |
| 4669 | Jonathan Van Dalen | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 4670 | Ved Gadapa | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 4671 | Leon Labs | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4672 | Hohyeon Cho | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 4673 | Carter Dabbs | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Midland Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 4674 | Connor Pollak | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | York Swim Club of Northern Vir | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 4675 | Liam Smith | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 4676 | Noah Godfrey | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Life Time Oregon Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 4677 | Matthew Garcia Castillo | 45.18 | 10 | B Min | BB: 42.89 (+2.29s | 5.1%) | Greater Tampa Swim Association | 10/10/2025 | 2025 GTSA TYR Swim Classic | |
| 4678 | Samuel McClintic | 45.18 | 10 | B Min | BB: 42.89 (+2.29s | 5.1%) | Boerne Elite Aquatics | 12/13/2025 | 2025 ST SRG HOHOHO Howorth Classic | |
| 4679 | Henry Ashcroft | 45.18 | 10 | B Min | BB: 42.89 (+2.29s | 5.1%) | Madison Swimming Association | 10/03/2025 | October MSA Intrasquad 03Oct2025 Madison Swimming Association | |
| 4680 | Rhett Szymanski | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 4681 | William Knauss IV | 45.19 | 8 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 4682 | Alp Petka | 45.19 | 8 | B Min | BB: 42.89 (+2.30s | 5.1%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 4683 | Callum Grant | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | |
| 4684 | Noah Primitivo | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nathan Hale | 02/20/2026 | 2026 WIAA 2A Boys HS State Champs OB | |
| 4685 | Ian Basok | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 4686 | Clark Gibson | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4687 | Haley Garcia | 45.20 | 9 | B Min | BB: 42.89 (+2.31s | 5.1%) | Eagle Aquatics | 09/27/2025 | Eagle Fall Invite 2025 | |
| 4688 | Ethan Li | 45.20 | 10 | B Min | BB: 42.89 (+2.31s | 5.1%) | Los Altos Mountain View Aquati | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 4689 | Bryan Xia | 45.20 | 7 | B Min | BB: 42.89 (+2.31s | 5.1%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 4690 | Ethan Zhong | 45.20 | 9 | B Min | BB: 42.89 (+2.31s | 5.1%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 4691 | Braden Kimball | 45.21 | 8 | B Min | BB: 42.89 (+2.32s | 5.1%) | Williamsburg Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 4692 | Samuel Olvera | 45.21 | 9 | B Min | BB: 42.89 (+2.32s | 5.1%) | Boerne Elite Aquatics | 10/24/2025 | 2025 ST AAAA NS Spooky Splash | |
| 4693 | Merritt Lee | 45.21 | 10 | B Min | BB: 42.89 (+2.32s | 5.1%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 4694 | Bradley Mascio | 45.21 | 9 | B Min | BB: 42.89 (+2.32s | 5.1%) | Kissimmee Swim Association | 09/20/2025 | 2025 Heart Of Florida Swim Meet | |
| 4695 | Bryce Dymond | 45.21 | 9 | B Min | BB: 42.89 (+2.32s | 5.1%) | Pine Bush Piranhas | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4696 | Lucas Ryder | 45.21 | 8 | B Min | BB: 42.89 (+2.32s | 5.1%) | YMCA of Austin Swim Alliance | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 4697 | Ethan Zhao | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Phoenix Swimming | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 4698 | Felix Jackson | 45.22 | 8 | B Min | BB: 42.89 (+2.33s | 5.2%) | Tualatin Hills Swim Club | 08/08/2025 | 2025 OR NST Seahorse Invitational | |
| 4699 | Landon King | 45.22 | 10 | B Min | BB: 42.89 (+2.33s | 5.2%) | Lone Star Aquatic Club | 12/20/2025 | 2025 ST SASA Tis The Season | |
| 4700 | Owen Schulte | 45.22 | 10 | B Min | BB: 42.89 (+2.33s | 5.2%) | South Shore Sails | 11/08/2024 | Sharks November Invitational | |
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.