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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4201 | Pietro Bucci | 45.23 | 10 | B Min | BB: 42.89 (+2.34s | 5.2%) | United Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 4202 | Zakaria Boned | 45.23 | 8 | B Min | BB: 42.89 (+2.34s | 5.2%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 4203 | Corbyn Phillips | 45.23 | 9 | B Min | BB: 42.89 (+2.34s | 5.2%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 4204 | Finnegan Persampieri | 45.23 | 10 | B Min | BB: 42.89 (+2.34s | 5.2%) | Otter Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 4205 | Vaughn Jamison | 45.23 | 10 | B Min | BB: 42.89 (+2.34s | 5.2%) | Aspire Aquatics of Colorado | 01/16/2026 | 2026 HSA TYR Invitational | |
| 4206 | James Bolger | 45.24 | 9 | B Min | BB: 42.89 (+2.35s | 5.2%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4207 | Ethan Jones | 45.24 | 8 | B Min | BB: 42.89 (+2.35s | 5.2%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 4208 | Maverick Carver | 45.24 | 10 | B Min | BB: 42.89 (+2.35s | 5.2%) | Down East Family YMCA | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 4209 | Shepard Smith | 45.24 | 8 | B Min | BB: 42.89 (+2.35s | 5.2%) | Jets Aquatic Club | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 4210 | Clark Wokson | 45.25 | 9 | B Min | BB: 42.89 (+2.36s | 5.2%) | Life Time Minnesota Swim Team | 04/26/2026 | 2026 MN EDI April Sunday At The Races | |
| 4211 | Liber Liao | 45.25 | 8 | B Min | BB: 42.89 (+2.36s | 5.2%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 4212 | Aaron Wei | 45.25 | 9 | B Min | BB: 42.89 (+2.36s | 5.2%) | Ensworth Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 4213 | Dharmik Yarra | 45.26 | 10 | B Min | BB: 42.89 (+2.37s | 5.2%) | Herndon Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4214 | Leo Favazza | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 4215 | Baxter Smith | 45.26 | 10 | B Min | BB: 42.89 (+2.37s | 5.2%) | Bangor YMCA Barracudas | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 4216 | Jax Richard | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Life Time Fitness Utah Swim Te | 02/21/2025 | 2025 Olympus Aquatics Last Chance | |
| 4217 | Arlo MacLean | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Hammerhead Swim Club | 02/15/2026 | 2026 MTSL Championship | |
| 4218 | Lucas Chen | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4219 | Mason NG | 45.27 | 10 | B Min | BB: 42.89 (+2.38s | 5.3%) | Port Angeles Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 4220 | Shayan Sarkar | 45.27 | 10 | B Min | BB: 42.89 (+2.38s | 5.3%) | Diablo Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 4221 | Silas Pellegrino | 45.28 | 10 | B Min | BB: 42.89 (+2.39s | 5.3%) | New York Sharks Aquatics | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 4222 | Charlie Kleiman | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Dolphin Club | 01/09/2026 | NOVA New Year S Kick Off | |
| 4223 | Miles Bamberger | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 4224 | Caleb Krug | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Northern Lakes Aquatic Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 4225 | Liam Dunn | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Meadowbrook Swim Team | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 4226 | Kreed Robertson | 45.29 | 10 | B Min | BB: 42.89 (+2.40s | 5.3%) | North Kent Aquatic Team | 02/28/2026 | 2026 JAWS Last Chance Meet | |
| 4227 | Hayden Uran | 45.29 | 10 | B Min | BB: 42.89 (+2.40s | 5.3%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 4228 | Ian Sickles | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Hawks Swimming Association | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 4229 | Wilson Crawford | 45.29 | 9 | B Min | BB: 42.89 (+2.40s | 5.3%) | Makos Aquatics Club of Gainesv | 02/14/2026 | 10th Annual Small Team Championships | |
| 4230 | Gunner Gessner | 45.30 | 9 | B Min | BB: 42.89 (+2.41s | 5.3%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 4231 | Bode Dirkse | 45.30 | 9 | B Min | BB: 42.89 (+2.41s | 5.3%) | Grand Haven Swim Club | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 4232 | Rocco Kugler | 45.30 | 10 | B Min | BB: 42.89 (+2.41s | 5.3%) | Penguin Swimming | 02/20/2026 | 2026 OH Akron SC Regional Championships | |
| 4233 | Jacob Grube | 45.30 | 10 | B Min | BB: 42.89 (+2.41s | 5.3%) | Green Terror Aquatic Club | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4234 | Edwin Chen | 45.30 | 8 | B Min | BB: 42.89 (+2.41s | 5.3%) | Long Island Express | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 4235 | Daniel Ray | 45.31 | 10 | B Min | BB: 42.89 (+2.42s | 5.3%) | Nocatee Bluetide Swim Team | 02/22/2025 | Small Team Championships | |
| 4236 | Jacob Pham | 45.31 | 10 | B Min | BB: 42.89 (+2.42s | 5.3%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 4237 | Giovanni Luciano | 45.31 | 9 | B Min | BB: 42.89 (+2.42s | 5.3%) | Bgc-N. Westchester Marlins | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4238 | Mitchell Novack | 45.31 | 10 | B Min | BB: 42.89 (+2.42s | 5.3%) | Platinum Aquatics | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 4239 | Gavin Liu | 45.31 | 9 | B Min | BB: 42.89 (+2.42s | 5.3%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 4240 | Elliott Walsh | 45.31 | 10 | B Min | BB: 42.89 (+2.42s | 5.3%) | South East Metro Sharks | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 4241 | Lucas Coulter | 45.32 | 10 | B Min | BB: 42.89 (+2.43s | 5.4%) | Westerly-Pawcatuck Y Dolphins | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 4242 | Jacob Lewis | 45.32 | 8 | B Min | BB: 42.89 (+2.43s | 5.4%) | Poseidon Swimming Inc | 11/22/2025 | NOVA Cranberry Contender | |
| 4243 | Matthew McHose | 45.32 | 9 | B Min | BB: 42.89 (+2.43s | 5.4%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 4244 | Matthew Fernandez | 45.32 | 9 | B Min | BB: 42.89 (+2.43s | 5.4%) | Blue Marlins Of Hialeah Garden | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 4245 | Liam Skinner | 45.32 | 8 | B Min | BB: 42.89 (+2.43s | 5.4%) | Cache Valley Marlins | 11/14/2025 | November Meet 2025 | |
| 4246 | Edan Gerstein | 45.32 | 9 | B Min | BB: 42.89 (+2.43s | 5.4%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4247 | Gavin Joy | 45.33 | 10 | B Min | BB: 42.89 (+2.44s | 5.4%) | Austin Swim Club | 11/15/2025 | 2025 ST ASC Turkey Bash | |
| 4248 | Troy Obrien | 45.33 | 10 | B Min | BB: 42.89 (+2.44s | 5.4%) | South Shore YMCA Strypers | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 4249 | Alistair Saxton | 45.33 | 10 | B Min | BB: 42.89 (+2.44s | 5.4%) | West Express Swim Team | 02/07/2026 | 2026 MN WEST EXPRESS LAST CHANCE MEET | |
| 4250 | Beckett Dobbins | 45.33 | 9 | B Min | BB: 42.89 (+2.44s | 5.4%) | West Islip Swim Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
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.