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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5201 | Brady Mantonya | 46.06 | 10 | B Min | BB: 42.89 (+3.17s | 6.9%) | Club Husker | 10/25/2025 | 2025 MW LSS Spooky Splash | |
| 5202 | Isaac Clegg | 46.06 | 9 | B Min | BB: 42.89 (+3.17s | 6.9%) | Gbsa - Greater Baltimore Swim | 09/26/2025 | RAC First Splash 2025 | |
| 5203 | Alexander Qi | 46.07 | 10 | B Min | BB: 42.89 (+3.18s | 6.9%) | Washingtonians Swim Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 5204 | Wes Pearsall | 46.07 | 10 | B Min | BB: 42.89 (+3.18s | 6.9%) | O\\\\\\'Neal Aquatics | 11/09/2025 | 2025 12 And Under Mini Meet V2 | |
| 5205 | Branson Collins | 46.07 | 10 | B Min | BB: 42.89 (+3.18s | 6.9%) | Unified Aquatics Club | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 5206 | Matthew Wei | 46.07 | 9 | B Min | BB: 42.89 (+3.18s | 6.9%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 5207 | Theodore Blackstock | 46.07 | 10 | B Min | BB: 42.89 (+3.18s | 6.9%) | Inspire Swimming | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 5208 | Mason Blois | 46.07 | 9 | B Min | BB: 42.89 (+3.18s | 6.9%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 5209 | Caleb Deering | 46.07 | 7 | B Min | BB: 42.89 (+3.18s | 6.9%) | New Wave Swim Team | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 5210 | Austin Headley | 46.07 | 10 | B Min | BB: 42.89 (+3.18s | 6.9%) | Sioux Falls Swim Team | 01/23/2026 | SFST SD 2026 January Invite | |
| 5211 | Gregory Lee | 46.08 | 10 | B Min | BB: 42.89 (+3.19s | 6.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 5212 | Noah Hoyos | 46.08 | 10 | B Min | BB: 42.89 (+3.19s | 6.9%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 5213 | Aiden Parente | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Blue Dolfins | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 5214 | Weston Gold | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Old Dominion Aquatic Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 5215 | Andrew Wilder | 46.08 | 10 | B Min | BB: 42.89 (+3.19s | 6.9%) | Sharks Swim Club | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 5216 | Zachary DeLozier | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Lake Oswego Swim Club | 10/18/2025 | 2025 LOSC October Intrasquad | |
| 5217 | Robert Matook | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | YMCA of the North Shore Sharks | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 5218 | Blake Beaver | 46.08 | 9 | B Min | BB: 42.89 (+3.19s | 6.9%) | Rutherford County Swim Team | 03/20/2026 | 2026 BRSL Championships | |
| 5219 | 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 | |
| 5220 | Roman Williams | 46.08 | 7 | B Min | BB: 42.89 (+3.19s | 6.9%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 5221 | Max Hartley | 46.09 | 10 | B Min | BB: 42.89 (+3.20s | 6.9%) | Stayton Manta Rays Inc | 01/03/2026 | 2026 CAT Short Course Open | |
| 5222 | 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 | |
| 5223 | 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 | |
| 5224 | Kwame Cobbinah | 46.09 | 10 | B Min | BB: 42.89 (+3.20s | 6.9%) | Apex | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 5225 | Michael Lopatin | 46.09 | 8 | B Min | BB: 42.89 (+3.20s | 6.9%) | Tide Swimming | 09/20/2025 | 2025 TIDE King Neptune Meet | |
| 5226 | Rishaan Chintalapani | 46.09 | 10 | B Min | BB: 42.89 (+3.20s | 6.9%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 5227 | Kabir Patel-Pingat | 46.10 | 10 | B Min | BB: 42.89 (+3.21s | 7.0%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 5228 | 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 | |
| 5229 | 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 | |
| 5230 | 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 | |
| 5231 | Kieran Zhou | 46.10 | 9 | B Min | BB: 42.89 (+3.21s | 7.0%) | All Star Aquatics | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 5232 | Jose Ruiz Cabrera | 46.11 | 10 | B Min | BB: 42.89 (+3.22s | 7.0%) | Edina Swim Club | 05/11/2025 | 2025 MN EDI May SATR | |
| 5233 | Collier Pellegrino | 46.11 | 9 | B Min | BB: 42.89 (+3.22s | 7.0%) | Columbus Aquatic Club | 09/20/2025 | OST Fall Invite | |
| 5234 | Titus White | 46.11 | 8 | B Min | BB: 42.89 (+3.22s | 7.0%) | Hydro Swim Club | 02/21/2026 | 2026 SLAC Last Chance To Dance Invitational | |
| 5235 | 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 | |
| 5236 | Behrett Ballance | 46.11 | 10 | B Min | BB: 42.89 (+3.22s | 7.0%) | Bend Swim Club | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 5237 | 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 | |
| 5238 | Lucas Wu | 46.12 | 10 | B Min | BB: 42.89 (+3.23s | 7.0%) | Coronado Swim -team Elite | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 5239 | 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 | |
| 5240 | 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 | |
| 5241 | Ian Robertson | 46.12 | 10 | B Min | BB: 42.89 (+3.23s | 7.0%) | The Capitol Sea Devils | 02/20/2026 | 2026 Machine Qualifier | |
| 5242 | 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 | |
| 5243 | Jacob Nong | 46.13 | 10 | B Min | BB: 42.89 (+3.24s | 7.0%) | Manta Ray Aquatics | 12/13/2025 | 2025 SI CAST 14U Rising Stars 2 | |
| 5244 | 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 | |
| 5245 | Louis Simmons | 46.13 | 8 | B Min | BB: 42.89 (+3.24s | 7.0%) | City of Mobile Swim Associatio | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 5246 | Krish Mishra | 46.13 | 10 | B Min | BB: 42.89 (+3.24s | 7.0%) | Lone Star Aquatic Club | 09/15/2024 | 2024 ST LSAC Welcome To The Rock | |
| 5247 | Thomas Caswell | 46.13 | 10 | B Min | BB: 42.89 (+3.24s | 7.0%) | Kent County YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 5248 | 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 | |
| 5249 | Reuben Kaar | 46.14 | 7 | B Min | BB: 42.89 (+3.25s | 7.0%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 5250 | 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 | |
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.