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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4401 | Blake Beaver | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Rutherford County Swim Team | 03/20/2026 | 2026 BRSL Championships | |
| 4402 | Brooks Harvin | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 4403 | Kilo Hamada-Durant | 46.08 | 10 | B Min | BB: 42.89 (+3.19s | 6.9%) | Swim Kauai Aquatics | 08/22/2026 | 19th Annual Kauai Classic | |
| 4404 | Zachary DeLozier | 46.08 | 10 | B Min | BB: 42.89 (+3.19s | 6.9%) | Lake Oswego Swim Club | 10/18/2025 | 2025 LOSC October Intrasquad | |
| 4405 | Noah Glod | 46.09 | 9 | B Min | BB: 42.89 (+3.20s | 6.9%) | Kent County YMCA | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 4406 | Liam Gilligan | 46.09 | 10 | B Min | BB: 42.89 (+3.20s | 6.9%) | Sun Valley 5 B | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 4407 | Michael Lopatin | 46.09 | 8 | B Min | BB: 42.89 (+3.20s | 6.9%) | Tide Swimming | 09/20/2025 | 2025 TIDE King Neptune Meet | |
| 4408 | Ansh Sharma | 46.09 | 9 | B Min | BB: 42.89 (+3.20s | 6.9%) | Scarlet Aquatics | 06/06/2026 | 2026 Scarlet Summer Blast | |
| 4409 | Dean Wu | 46.09 | 8 | B Min | BB: 42.89 (+3.20s | 6.9%) | Burlingame Aquatics | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 4410 | Kieran Zhou | 46.10 | 9 | B Min | BB: 42.89 (+3.21s | 7.0%) | All Star Aquatics | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4411 | Daniel Biernesser | 46.10 | 9 | B Min | BB: 42.89 (+3.21s | 7.0%) | Fox Chapel Killer Whales | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 4412 | Miles Montagnino | 46.10 | 8 | B Min | BB: 42.89 (+3.21s | 7.0%) | Aquabear Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 4413 | Grayson Julien | 46.10 | 10 | B Min | BB: 42.89 (+3.21s | 7.0%) | South Valley Makos | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 4414 | William Cook | 46.10 | 9 | B Min | BB: 42.89 (+3.21s | 7.0%) | Fast Falcons | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 4415 | Collier Pellegrino | 46.11 | 9 | B Min | BB: 42.89 (+3.22s | 7.0%) | Columbus Aquatic Club | 09/20/2025 | OST Fall Invite | |
| 4416 | Garett Biberston | 46.11 | 9 | B Min | BB: 42.89 (+3.22s | 7.0%) | Winchester Swim Team | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 4417 | Jacob McCollam | 46.11 | 9 | B Min | BB: 42.89 (+3.22s | 7.0%) | South East Metro Sharks | 10/10/2026 | 2026 MN FOXJ Fall Invitational | |
| 4418 | Warren Harman | 46.11 | 9 | B Min | BB: 42.89 (+3.22s | 7.0%) | McCallie-GPS Aquatics | 10/17/2026 | 2026 MCC October Invite Copied | |
| 4419 | Noah Hunter | 46.12 | 9 | B Min | BB: 42.89 (+3.23s | 7.0%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 4420 | Griffin Deutscher | 46.12 | 9 | B Min | BB: 42.89 (+3.23s | 7.0%) | Champlain Valley Swim Academy- | 03/13/2026 | 2026 NE UVAC NHSA State Championships | |
| 4421 | Thomas Apple | 46.12 | 10 | B Min | BB: 42.89 (+3.23s | 7.0%) | Greensboro Community YMCA | 10/10/2025 | 2025 TYDE Andy Craver Autumn Leaves Inv | |
| 4422 | Tristan Mita | 46.12 | 9 | B Min | BB: 42.89 (+3.23s | 7.0%) | Quince Orchard Swim Academy | 12/20/2025 | 2025 Splash And Dash | |
| 4423 | Thomas Keller | 46.12 | 9 | B Min | BB: 42.89 (+3.23s | 7.0%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 4424 | Greyson Holman | 46.12 | 10 | B Min | BB: 42.89 (+3.23s | 7.0%) | Georgetown-Scott County Supers | 10/16/2026 | Ryan Moore Invitational | |
| 4425 | William Greene | 46.13 | 10 | B Min | BB: 42.89 (+3.24s | 7.0%) | Charles River Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 4426 | Jase Bergquist | 46.13 | 9 | B Min | BB: 42.89 (+3.24s | 7.0%) | Delta Barracudas | 07/31/2026 | 2026 CO Scottie Aschermann Memorial | |
| 4427 | Louis Simmons | 46.13 | 9 | B Min | BB: 42.89 (+3.24s | 7.0%) | City of Mobile Swim Associatio | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 4428 | Gentry Blomme | 46.14 | 10 | B Min | BB: 42.89 (+3.25s | 7.0%) | Central Minnesota Aquatics | 02/15/2026 | 2026 MN WAVE Frosty February Invite | |
| 4429 | Samuel Lin | 46.14 | 8 | B Min | BB: 42.89 (+3.25s | 7.0%) | Dads Club Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 4430 | Barrett Sturgill | 46.14 | 9 | B Min | BB: 42.89 (+3.25s | 7.0%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/07/2026 | PYSA Champs 2026 | |
| 4431 | Alexander Hawke | 46.14 | 9 | B Min | BB: 42.89 (+3.25s | 7.0%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 4432 | Teodore Lugovoy | 46.14 | 8 | B Min | BB: 42.89 (+3.25s | 7.0%) | Dolphin Club | 12/05/2025 | NOVA December Dip | |
| 4433 | Andrew Yang | 46.14 | 9 | B Min | BB: 42.89 (+3.25s | 7.0%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 4434 | Ben Richards | 46.14 | 10 | B Min | BB: 42.89 (+3.25s | 7.0%) | Cincinnati Marlins | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 4435 | Owen Shearman | 46.14 | 9 | B Min | BB: 42.89 (+3.25s | 7.0%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 4436 | Dominic Generalov | 46.14 | 8 | B Min | BB: 42.89 (+3.25s | 7.0%) | Sailfish | 10/24/2026 | 2026 ST CCSS SC Unclassified | |
| 4437 | Reuben Kaar | 46.14 | 8 | B Min | BB: 42.89 (+3.25s | 7.0%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4438 | Zachary Shindler | 46.15 | 10 | B Min | BB: 42.89 (+3.26s | 7.1%) | Shorefront Ym-Ywha | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 4439 | Harrison Novack | 46.15 | 8 | B Min | BB: 42.89 (+3.26s | 7.1%) | Platinum Aquatics | 12/20/2024 | 2024 Gulf Fall Champs (TASC) | |
| 4440 | Oliver Lungut | 46.15 | 8 | B Min | BB: 42.89 (+3.26s | 7.1%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 4441 | Talan Zimmerman | 46.15 | 10 | B Min | BB: 42.89 (+3.26s | 7.1%) | Kona Dolphins Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 4442 | Nicholas Xiao | 46.16 | 10 | B Min | BB: 42.89 (+3.27s | 7.1%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4443 | Joseph Borgerding | 46.16 | 9 | B Min | BB: 42.89 (+3.27s | 7.1%) | Minot Swim Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 4444 | Quaid Lo | 46.16 | 9 | B Min | BB: 42.89 (+3.27s | 7.1%) | Marlins Of Raleigh | 12/06/2025 | 2025 MOR Arctic Blast Meet | |
| 4445 | Jasper Yan | 46.16 | 8 | B Min | BB: 42.89 (+3.27s | 7.1%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 4446 | Jackson Waite | 46.16 | 9 | B Min | BB: 42.89 (+3.27s | 7.1%) | Nitro Swimming | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
| 4447 | Brighton Grundlingh | 46.17 | 10 | B Min | BB: 42.89 (+3.28s | 7.1%) | Apollo Beach Swim Team | 06/21/2025 | West Coast B Champtionships | |
| 4448 | Matvii Medvediev | 46.17 | 9 | B Min | BB: 42.89 (+3.28s | 7.1%) | Tornadoes Swim Team | 09/26/2026 | FGSC 2026 Season Opener Pentathlon | |
| 4449 | Grayson Tracy | 46.17 | 10 | B Min | BB: 42.89 (+3.28s | 7.1%) | California Gold | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 4450 | Zachary Steinker | 46.17 | 9 | B Min | BB: 42.89 (+3.28s | 7.1%) | Boerne Elite Aquatics | 10/24/2026 | 2026 ST NIST Spooky Splash | |
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.