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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6251 | Arthur Grant | 47.78 | 10 | B Min | BB: 42.89 (+4.89s | 10.2%) | Indian River Aquatics | 02/28/2026 | Spring Area 6 Championships 2026 | |
| 6252 | Matthew Sokotoff | 47.78 | 9 | B Min | BB: 42.89 (+4.89s | 10.2%) | Rochester Swim Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 6253 | Tristan Alisangco | 47.78 | 9 | B Min | BB: 42.89 (+4.89s | 10.2%) | Gamecock Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 6254 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 6255 | Arthur Viray | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 03/28/2026 | PSL March CBA+ | |
| 6256 | Henry Huang | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 6257 | Ziqi Zhang | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Alamo Area Aquatic Association | 09/10/2025 | 2025 ST AAAA NS Septermber Race Night | |
| 6258 | Abiel Espinoza | 47.80 | 8 | B Min | BB: 42.89 (+4.91s | 10.3%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 6259 | Cates Cunningham | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 6260 | Marko Tamburi | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Star Aquatics | 11/15/2025 | 2025 John Dewey Invitational | |
| 6261 | Teddy Potter-Akins | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Pau Hana Swim Team | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 6262 | Alexander Lemire | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Blue Dolphin Swim Team | 01/11/2026 | 2026 NE ORO January Meet | |
| 6263 | Derek Feng | 47.81 | 10 | B Min | BB: 42.89 (+4.92s | 10.3%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 6264 | Aniyant Karthik | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Olympic Cascade Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 6265 | Nathan-Jin Sun | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 6266 | Xander Exevea | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | South Bay Aquatics | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 6267 | Vaden Brooks | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Middlebury Aquatics Club | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 6268 | Gibson Pearsall | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | Rudyard Piranhas | 02/15/2026 | 2026 MTSL Championship | |
| 6269 | Tayvin Luangphasy | 47.82 | 10 | B Min | BB: 42.89 (+4.93s | 10.3%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 6270 | Brian Alexander | 47.82 | 10 | B Min | BB: 42.89 (+4.93s | 10.3%) | Calvert Aquatics Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 6271 | Alexander Carpenter | 47.82 | 9 | B Min | BB: 42.89 (+4.93s | 10.3%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 6272 | Grant Soder | 47.82 | 10 | B Min | BB: 42.89 (+4.93s | 10.3%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 6273 | Dmytro Bessatian | 47.82 | 10 | B Min | BB: 42.89 (+4.93s | 10.3%) | Bravo Swim Team | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 6274 | Chanu Woo | 47.83 | 9 | B Min | BB: 42.89 (+4.94s | 10.3%) | Houston Cougars | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 6275 | Quentin Scharpf | 47.83 | 8 | B Min | BB: 42.89 (+4.94s | 10.3%) | Texas Elite Swim Team | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | |
| 6276 | Cooper Daul | 47.83 | 10 | B Min | BB: 42.89 (+4.94s | 10.3%) | Plymouth Canton Cruisers | 02/13/2026 | 2026 Showdown In Motown | |
| 6277 | George Piacentini | 47.83 | 9 | B Min | BB: 42.89 (+4.94s | 10.3%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 6278 | Tyler Qi | 47.83 | 9 | B Min | BB: 42.89 (+4.94s | 10.3%) | Empire Swimming | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 6279 | Ellar Kazmierczak | 47.83 | 10 | B Min | BB: 42.89 (+4.94s | 10.3%) | North Star Swim Team | 12/21/2024 | 2024 MN AQJT Holiday Invite | |
| 6280 | Felix Pelletier | 47.83 | 10 | B Min | BB: 42.89 (+4.94s | 10.3%) | Keene YMCA Dolphins | 01/04/2026 | 2026 NE UVAC CVI Invitational | |
| 6281 | Knox Pohlmeyer | 47.83 | 8 | B Min | BB: 42.89 (+4.94s | 10.3%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 6282 | Edison Rosenberg | 47.84 | 9 | B Min | BB: 42.89 (+4.95s | 10.3%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 6283 | Boone Day | 47.84 | 7 | B Min | BB: 42.89 (+4.95s | 10.3%) | Bend Swim Club | 02/04/2026 | 2026 Bend Swim Club Intersquad Challenger | |
| 6284 | Ben Crockett | 47.84 | 9 | B Min | BB: 42.89 (+4.95s | 10.3%) | Victoria Texas Aquatic Club | 12/20/2025 | 2025 ST SASA Tis The Season | |
| 6285 | Wesley Yu | 47.84 | 9 | B Min | BB: 42.89 (+4.95s | 10.3%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 6286 | Lawson Winter | 47.84 | 9 | B Min | BB: 42.89 (+4.95s | 10.3%) | T2 Aquatics | 12/13/2025 | 2025 T2 Candy Cane Meet | |
| 6287 | Calvin Smith | 47.84 | 8 | B Min | BB: 42.89 (+4.95s | 10.3%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 6288 | Sawyer Lee | 47.85 | 9 | B Min | BB: 42.89 (+4.96s | 10.4%) | Bgc-N. Westchester Marlins | 01/30/2026 | 2026 MR BGNW February Freeze Invitational | |
| 6289 | Ruslan Kovalchuk | 47.85 | 10 | B Min | BB: 42.89 (+4.96s | 10.4%) | Jbarracudas Swim Team | 06/07/2025 | 2025 SI JBST Splash Dash Max | |
| 6290 | Owen Bromley | 47.85 | 9 | B Min | BB: 42.89 (+4.96s | 10.4%) | Magic City Aquatic League | 02/06/2026 | 2026 SES Region 3 Champions | |
| 6291 | Joseph Heath | 47.85 | 10 | B Min | BB: 42.89 (+4.96s | 10.4%) | South Boston Sea Serpents | 03/07/2026 | PYSA Champs 2026 | |
| 6292 | Mason Strand | 47.85 | 10 | B Min | BB: 42.89 (+4.96s | 10.4%) | Fallbrook Assoc Swim T | 08/16/2025 | 2025 SI FAST RISING STARS 3 | |
| 6293 | Noah Pilkington | 47.86 | 8 | B Min | BB: 42.89 (+4.97s | 10.4%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 6294 | Leelynn Nelson | 47.86 | 10 | B Min | BB: 42.89 (+4.97s | 10.4%) | Unattached | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 6295 | Ocean Samaniego | 47.86 | 8 | B Min | BB: 42.89 (+4.97s | 10.4%) | Manhattan Makos | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 6296 | Weston Yates | 47.86 | 9 | B Min | BB: 42.89 (+4.97s | 10.4%) | Waves Of Wilmington Inc | 09/25/2025 | 2025 WOW Intrasquad Meet | |
| 6297 | Callahan Ford | 47.86 | 9 | B Min | BB: 42.89 (+4.97s | 10.4%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 6298 | Arthur Fortin | 47.86 | 9 | B Min | BB: 42.89 (+4.97s | 10.4%) | Huntsville Swim Association | 12/05/2025 | 2025 Holiday Classic | |
| 6299 | Greyson Fritz | 47.86 | 10 | B Min | BB: 42.89 (+4.97s | 10.4%) | Watertown Area Swim Club | 02/06/2026 | 2026 Qualifying Meet | |
| 6300 | Kai Miller | 47.86 | 10 | B Min | BB: 42.89 (+4.97s | 10.4%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State 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.