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 | Charlie Uranga | 46.98 | 9 | B Min | BB: 42.89 (+4.09s | 8.7%) | Blue Marlins Of Hialeah Garden | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 5202 | Anton Khanbekyan | 46.98 | 10 | B Min | BB: 42.89 (+4.09s | 8.7%) | YMCA of Central Massachusetts | 05/31/2026 | 2026 NE SSC May 31 2026 | |
| 5203 | Eddie Hui | 46.98 | 10 | B Min | BB: 42.89 (+4.09s | 8.7%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 5204 | Kayden Wellmann | 46.99 | 8 | B Min | BB: 42.89 (+4.10s | 8.7%) | Tuna Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 5205 | Liam Steffensen | 47.00 | 10 | B Min | BB: 42.89 (+4.11s | 8.7%) | Willmar Aquatic Racing Stingra | 01/17/2026 | 2026 Optimist High Point Meet | |
| 5206 | Micah Utz | 47.00 | 10 | B Min | BB: 42.89 (+4.11s | 8.7%) | Arlington Aquatic Club | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | |
| 5207 | Joseph Wiszowaty | 47.00 | 9 | B Min | BB: 42.89 (+4.11s | 8.7%) | Rebel Aquatic Club | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 5208 | Cole Mazen | 47.00 | 9 | B Min | BB: 42.89 (+4.11s | 8.7%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 5209 | Kaden Lu | 47.00 | 9 | B Min | BB: 42.89 (+4.11s | 8.7%) | Spartan Aquatic Club | 01/16/2026 | SLA Arctic Blast 2026 | |
| 5210 | Tafsir Thiam | 47.01 | 9 | B Min | BB: 42.89 (+4.12s | 8.8%) | DC Dept Of Parks and Recreatio | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 5211 | Andrew Dobing | 47.01 | 10 | B Min | BB: 42.89 (+4.12s | 8.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 5212 | David Peterson | 47.01 | 10 | B Min | BB: 42.89 (+4.12s | 8.8%) | Brookings Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 5213 | Daniel Barankevich | 47.01 | 10 | B Min | BB: 42.89 (+4.12s | 8.8%) | Bluefish Swim Club | 12/13/2024 | 2024 ME ABF Michelle Arpin | |
| 5214 | Bentley Branch | 47.01 | 10 | B Min | BB: 42.89 (+4.12s | 8.8%) | Hickam Hurricanes | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 5215 | Marcus Kendrick | 47.02 | 9 | B Min | BB: 42.89 (+4.13s | 8.8%) | Pearland Aquatics | 01/10/2025 | 2025 Tracey Harper Santiago Memorial Meet | |
| 5216 | Paxton Sellers | 47.02 | 9 | B Min | BB: 42.89 (+4.13s | 8.8%) | Dolphin Club | 09/26/2025 | 2025 SwimRVA Blastoff Meet | |
| 5217 | Harvee Jaspal | 47.02 | 10 | B Min | BB: 42.89 (+4.13s | 8.8%) | Team Suffolk | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 5218 | Nikshay Gupta | 47.02 | 10 | B Min | BB: 42.89 (+4.13s | 8.8%) | Mecklenburg Swim Association | 11/07/2025 | 2025 Veterans Day Inv Presented By Arena | |
| 5219 | Massimo Toscano | 47.02 | 10 | B Min | BB: 42.89 (+4.13s | 8.8%) | Hauppauge Swimming | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 5220 | Oxford Zhou | 47.02 | 8 | B Min | BB: 42.89 (+4.13s | 8.8%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 5221 | Dimitri Powell | 47.02 | 11 | B Min | BB: 42.89 (+4.13s | 8.8%) | Columbia Aquatics Association | 09/26/2025 | RAC First Splash 2025 | |
| 5222 | Jack Malinowski | 47.02 | 10 | B Min | BB: 42.89 (+4.13s | 8.8%) | Livonia Community Swim Club | 02/20/2026 | For The Love Of Swimming | |
| 5223 | Kevin Sosnowski | 47.02 | 8 | B Min | BB: 42.89 (+4.13s | 8.8%) | Novi Sturgeons | 02/06/2026 | 2026 Michigan Open | |
| 5224 | Connor Curran | 47.02 | 10 | B Min | BB: 42.89 (+4.13s | 8.8%) | St Croix Swim Club | 12/12/2025 | 2025 MN SCSC Winter Carnival | |
| 5225 | Navid Karim | 47.02 | 8 | B Min | BB: 42.89 (+4.13s | 8.8%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 5226 | Elias Khoury | 47.03 | 10 | B Min | BB: 42.89 (+4.14s | 8.8%) | Old Dominion Aquatic Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 5227 | August Monroe | 47.03 | 10 | B Min | BB: 42.89 (+4.14s | 8.8%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 5228 | Mason McNellis | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | El Paso Aqua Posse | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 5229 | Leonidas Washburn | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Metro Surge Aquatic Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 5230 | Eirvin Chung | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Streamline Swim Club & Team | 10/10/2025 | 2025 PV October Open Franconia | |
| 5231 | Jackson Wehrly | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Kent County YMCA | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 5232 | Isaiah Wright | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Central Minnesota Aquatics | 12/06/2024 | 2024 MN AQJT 14 U Single Age State Meet | |
| 5233 | Cooper Gagas | 47.03 | 10 | B Min | BB: 42.89 (+4.14s | 8.8%) | Cincinnati Aquatic Club | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 5234 | Winston Gu | 47.04 | 10 | B Min | BB: 42.89 (+4.15s | 8.8%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 5235 | Ridge Harris | 47.04 | 8 | B Min | BB: 42.89 (+4.15s | 8.8%) | Bend Swim Club | 12/18/2025 | Bend Swim Club Intersquad | |
| 5236 | Maseo Aberasturia | 47.05 | 10 | B Min | BB: 42.89 (+4.16s | 8.8%) | Bluefish Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 5237 | Jonah Densberger | 47.05 | 10 | B Min | BB: 42.89 (+4.16s | 8.8%) | Blue Dolfins | 12/14/2024 | 2024 BD Holiday Invite | |
| 5238 | Eli Anderson | 47.05 | 9 | B Min | BB: 42.89 (+4.16s | 8.8%) | Millard Aquatic Club | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 5239 | Olavo Bruder | 47.05 | 10 | B Min | BB: 42.89 (+4.16s | 8.8%) | Tnt Swimming | 02/13/2026 | 2026 SES Region 4 Championships | |
| 5240 | Hudson Goodrich | 47.06 | 9 | B Min | BB: 42.89 (+4.17s | 8.9%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 5241 | Daniel Abel | 47.06 | 9 | B Min | BB: 42.89 (+4.17s | 8.9%) | Granite City Aquatics | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 5242 | Alborz Hosseini Soreshjani | 47.06 | 10 | B Min | BB: 42.89 (+4.17s | 8.9%) | The Fish | 03/20/2026 | 26th Annual Spring Championships | |
| 5243 | Leo Baletsa | 47.06 | 9 | B Min | BB: 42.89 (+4.17s | 8.9%) | YMCA of the North Shore Sharks | 05/09/2026 | 2026 NE STRM Spring Splash W Distance | |
| 5244 | Weston Diaz | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Quest Swimming | 12/05/2025 | NOVA December Dip | |
| 5245 | Callum Donner | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | SlipStream Aquatics | 02/01/2026 | 2026 CO FORM February Freeze | |
| 5246 | Jackson Francis | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 5247 | Shane Lewis | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Smoky Mountain Aquatic Club | 02/07/2026 | 2026 Swim Your Heart Out | |
| 5248 | Aiden Hu | 47.07 | 10 | B Min | BB: 42.89 (+4.18s | 8.9%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 5249 | Diego Pangilinan | 47.07 | 10 | B Min | BB: 42.89 (+4.18s | 8.9%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 5250 | Junghoo Ahn | 47.08 | 10 | B Min | BB: 42.89 (+4.19s | 8.9%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
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.