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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6051 | Thomas Berry | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Sailfish | 03/28/2026 | 2026 ST SGA Spring Fling Meet | |
| 6052 | Harlan Ris | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Saint Petersburg Aquatics | 10/03/2025 | SPA FRIDAY NITE RACES OCT 3 2025 | |
| 6053 | Mark Bossowski | 47.43 | 10 | B Min | BB: 42.89 (+4.54s | 9.6%) | Tampa Y Swimming | 01/24/2026 | 2026 TYR Stingrays SCY Palm Trees Parkas | |
| 6054 | Ratu Bukarau | 47.43 | 7 | B Min | BB: 42.89 (+4.54s | 9.6%) | Stingrays Swim Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 6055 | Samuel Nelson | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Mighty Marlins Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 6056 | Owen LaFave | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Carolina Aquatics Swim Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 6057 | Masayuki Torikai | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 6058 | Cameron Suther | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Red Piranha Swimming | 01/24/2026 | 2026 BSC Polar Bear Meet | |
| 6059 | Julian Kau | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 6060 | Asher Warren | 47.44 | 8 | B Min | BB: 42.89 (+4.55s | 9.6%) | Old Dominion Aquatic Club | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 6061 | Abel Padgett | 47.44 | 10 | B Min | BB: 42.89 (+4.55s | 9.6%) | Maui Dolphins Swim Club | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 6062 | Pax Vo | 47.45 | 9 | B Min | BB: 42.89 (+4.56s | 9.6%) | Germantown Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 6063 | Kayvan Tabarrok | 47.45 | 9 | B Min | BB: 42.89 (+4.56s | 9.6%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 6064 | Nikolai Voroshchuk | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Fox Swim Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 6065 | Heriakos Nikodimos | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 6066 | Kevin Liu | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Arctic Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 6067 | Charles Wu | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 6068 | Clyde Hanna | 47.46 | 9 | B Min | BB: 42.89 (+4.57s | 9.6%) | Lake Oswego Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 6069 | Jonathan Guzman Cruz | 47.46 | 10 | B Min | BB: 42.89 (+4.57s | 9.6%) | Aloha | 02/14/2025 | 2025 OR HS 6a 2 | |
| 6070 | Lachlan Law | 47.47 | 9 | B Min | BB: 42.89 (+4.58s | 9.6%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 6071 | Alexander Heard | 47.47 | 10 | B Min | BB: 42.89 (+4.58s | 9.6%) | Pearland Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 6072 | Skyler Merritt-Hiebing | 47.47 | 9 | B Min | BB: 42.89 (+4.58s | 9.6%) | Germantown Swim Team | 12/05/2025 | 2025 Holiday Classic | |
| 6073 | Thomas Sherman | 47.47 | 8 | B Min | BB: 42.89 (+4.58s | 9.6%) | Fast | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 6074 | Elliott Poe Brown | 47.48 | 8 | B Min | BB: 42.89 (+4.59s | 9.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 6075 | Paris Hong | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Calvert Aquatics Club | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 6076 | Matthew Schlosberg | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 6077 | Sebastian Walker | 47.48 | 9 | B Min | BB: 42.89 (+4.59s | 9.7%) | Escalate Aquatic Team | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 6078 | Oliver O'Mara | 47.48 | 10 | B Min | BB: 42.89 (+4.59s | 9.7%) | York Swim Club of Northern Vir | 01/17/2026 | PVS January Open 2026 PWCS | |
| 6079 | Valentin Pronkin | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Phoenix Aquatic Club | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 6080 | Josiah Butterfield | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Sioux Falls Swim Team | 02/06/2026 | 2026 Qualifying Meet | |
| 6081 | Sven Kim | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 6082 | Otto Myers | 47.50 | 8 | B Min | BB: 42.89 (+4.61s | 9.7%) | Greater Orlando Aquatics Team | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 6083 | Jensen Lindow | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Asheville Jewish Community Cen | 11/15/2025 | 2025 The Gourd Time Gathering | |
| 6084 | Brendan Martin | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | New Bedford YMCA Hurricanes | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 6085 | Miles Tseung | 47.50 | 10 | B Min | BB: 42.89 (+4.61s | 9.7%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 6086 | William Cuba | 47.50 | 7 | B Min | BB: 42.89 (+4.61s | 9.7%) | Eastern Shore YMCA Fins | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 6087 | Evan Dao | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 6088 | Henry Greene | 47.50 | 9 | B Min | BB: 42.89 (+4.61s | 9.7%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 6089 | Theodore Williams | 47.51 | 10 | B Min | BB: 42.89 (+4.62s | 9.7%) | Hurricanes Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | |
| 6090 | Owen Martin | 47.51 | 8 | B Min | BB: 42.89 (+4.62s | 9.7%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 6091 | Duke Loula | 47.51 | 9 | B Min | BB: 42.89 (+4.62s | 9.7%) | Aquajets Swim Team | 11/10/2024 | 2024 MN NSAC Fall Invite | |
| 6092 | Liam Dysard | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Northern Dutchess Aquatic Club | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 6093 | Tatum Leer | 47.52 | 10 | B Min | BB: 42.89 (+4.63s | 9.7%) | Nitro Swimming | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 6094 | Samuel Leineweber | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Apex | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 6095 | Beau Markway | 47.52 | 10 | B Min | BB: 42.89 (+4.63s | 9.7%) | Memphis Thunder Aquatic Club | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 6096 | Ico Tamayo | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Cali Piranha Swim Team | 10/05/2024 | 2024 SI CAST Pentathlon 14 U | |
| 6097 | Daniel Gladkyi | 47.52 | 8 | B Min | BB: 42.89 (+4.63s | 9.7%) | Life Time Mid Atlantic Swim Te | 10/25/2025 | 2025 PV MAKO PUMPKIN CLASSIC | |
| 6098 | Solomon Whittington | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | DC Dept Of Parks and Recreatio | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 6099 | Paul Yastreb | 47.52 | 8 | B Min | BB: 42.89 (+4.63s | 9.7%) | Life Time Mid Atlantic Swim Te | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 6100 | Benjamin Levin | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Shawmut Aquatic Club | 01/16/2026 | 2026 NE SAC Bronze Championships | |
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.