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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2101 | James Lorenzoni | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2102 | Dominik Orlov | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Avon Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 2103 | Lucas Putman | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Frederick Area Swim Team | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 2104 | Colton Laurent | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 2105 | Blake Hadfield | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Aulea Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 2106 | Calvin Oliphant | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 2107 | Tyler Henry | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 2108 | Yaseer Owens | 41.04 | 9 | BB Min | A: 37.59 (+3.45s | 8.4%) | Unified Aquatics Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2109 | Lincoln Conneely | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | North Shore Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 2110 | James Noel | 41.05 | 8 | BB Min | A: 37.59 (+3.46s | 8.4%) | Tide Swimming | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 2111 | Elliott Rice | 41.05 | 10 | BB Min | A: 37.59 (+3.46s | 8.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 2112 | Gil Ben Yona | 41.06 | 8 | BB Min | A: 37.59 (+3.47s | 8.5%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 2113 | Romeo Ottaviano | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2114 | Kullen Carrico | 41.06 | 10 | BB Min | A: 37.59 (+3.47s | 8.5%) | Delaware Riptide YMCA Swim Tea | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 2115 | John Penfold | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Brooklyn Stingrays | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 2116 | Michael Campbell | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 2117 | Benjamin Bembridge | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 2118 | Ronan Hamilton | 41.07 | 8 | BB Min | A: 37.59 (+3.48s | 8.5%) | 757swim | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 2119 | Jason Fu | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Newport County YMCA Wahoos | 10/11/2025 | 2025 YMCA Fall Virtual Meet | |
| 2120 | Vivaan Jagadish | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 2121 | Julien Nguyen | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2122 | Alex van den Berg | 41.07 | 9 | BB Min | A: 37.59 (+3.48s | 8.5%) | Swim Melbourne | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 2123 | Thomas Wyss | 41.07 | 9 | BB Min | A: 37.59 (+3.48s | 8.5%) | Arlington Aquatic Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2124 | Ali Abolfadl | 41.08 | 9 | BB Min | A: 37.59 (+3.49s | 8.5%) | Olympic Cascade Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2125 | Chris Oh | 41.08 | 9 | BB Min | A: 37.59 (+3.49s | 8.5%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2126 | Andrew Gibson | 41.08 | 8 | BB Min | A: 37.59 (+3.49s | 8.5%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 2127 | YuBo Wang | 41.08 | 10 | BB Min | A: 37.59 (+3.49s | 8.5%) | Laker Swim | 01/18/2025 | 2025 GOAT TYR Team Challenge And SYOA | |
| 2128 | Levi Cheung | 41.08 | 8 | BB Min | A: 37.59 (+3.49s | 8.5%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2129 | Russell Dsouza | 41.09 | 10 | BB Min | A: 37.59 (+3.50s | 8.5%) | Club Wolverine | 02/14/2026 | SAC Winter Classic | |
| 2130 | Richard Eliason | 41.09 | 10 | BB Min | A: 37.59 (+3.50s | 8.5%) | Lincoln Y Dolphins | 10/19/2025 | 2025 MW BARR Y Zombie Splash | |
| 2131 | Miles Edwards | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 2132 | Benjamin Segear | 41.09 | 10 | BB Min | A: 37.59 (+3.50s | 8.5%) | Fox Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2133 | Declan Matthews | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Helios | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2134 | Matthew Maris-Wolf | 41.10 | 10 | BB Min | A: 37.59 (+3.51s | 8.5%) | Williamsburg Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 2135 | Joon Cha | 41.10 | 9 | BB Min | A: 37.59 (+3.51s | 8.5%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 2136 | Austin Romero-Zermeno | 41.10 | 9 | BB Min | A: 37.59 (+3.51s | 8.5%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 2137 | Jack Mearns | 41.10 | 8 | BB Min | A: 37.59 (+3.51s | 8.5%) | Greensboro Community YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2138 | Noah Kim | 41.11 | 9 | BB Min | A: 37.59 (+3.52s | 8.6%) | Spartan Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2139 | Johnathan Weninger | 41.11 | 10 | BB Min | A: 37.59 (+3.52s | 8.6%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 2140 | Sebastian Diaz | 41.11 | 10 | BB Min | A: 37.59 (+3.52s | 8.6%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2141 | Luke Brophy | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 2142 | Ethan Huang | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2143 | Curtis Curry | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | Cullman Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 2144 | Nathan Liu | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | First Colony Swim Team, Inc. | 11/08/2024 | 2024 FCST Nov Tri Meet | |
| 2145 | Joshua Lowery | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 2146 | Kyler Robson | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | Cincinnati Marlins | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 2147 | DeRon Montgomery | 41.13 | 8 | BB Min | A: 37.59 (+3.54s | 8.6%) | Razor Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2148 | Keegan Wallace | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 2149 | Harry Releford | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 2150 | Steven Kimeu | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Rochester Swim Club | 02/13/2026 | 2026 MN RSC President S Day 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.