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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9301 | Graham Johnson | 54.92 | 7 | B: 48.29 (+6.63s | 12.1%) | Hillsborough Aquatic Club | 11/15/2025 | YBAC Fall Invite 25 | ||
| 9302 | Santino Dop | 54.93 | 9 | B: 48.29 (+6.64s | 12.1%) | Ukiah Dolphins | 07/11/2026 | Willits Otters Hot Summer Swim | ||
| 9303 | Andrew Cakounes | 54.93 | 10 | B: 48.29 (+6.64s | 12.1%) | Aces Aquatics | 03/13/2026 | 2026 NE NSSC NE Cup Championship | ||
| 9304 | Charles Scott | 54.93 | 8 | B: 48.29 (+6.64s | 12.1%) | Carolina Aquatic Team | 02/14/2026 | 2026 CAT Valentine Splash | ||
| 9305 | Ulysses Hunstock | 54.94 | 8 | B: 48.29 (+6.65s | 12.1%) | York Swim Club of Northern Vir | 01/10/2026 | 2026 MAKO POLAR PLUNGE | ||
| 9306 | Alexander Leibfarth | 54.94 | 10 | B: 48.29 (+6.65s | 12.1%) | Heal Swim Club | 12/05/2025 | 2025 Christmas Championships | ||
| 9307 | Taha Baxamusa | 54.94 | 10 | B: 48.29 (+6.65s | 12.1%) | Edina Swim Club | 06/17/2026 | 2026 MN FOXJ June Bronze | ||
| 9308 | Illia Korotkyi | 54.94 | 9 | B: 48.29 (+6.65s | 12.1%) | Bravo Swim Team | 06/06/2026 | NMST June Invite 26 | ||
| 9309 | Frank Han | 54.95 | 7 | B: 48.29 (+6.66s | 12.1%) | Tac Titans | 11/15/2025 | 2025 TAC TITANS Turkey Squad Meet | ||
| 9310 | James Herdzik | 54.95 | 10 | B: 48.29 (+6.66s | 12.1%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | ||
| 9311 | Nikolai Klimov | 54.95 | 10 | B: 48.29 (+6.66s | 12.1%) | Lifetime | 11/01/2025 | 2025 NE NSSC Nov Beede Specialty Copied | ||
| 9312 | Murphy Oneill Butler | 54.95 | 10 | B: 48.29 (+6.66s | 12.1%) | Wind N Sea Swim Team | 02/21/2026 | 2026 SI JBST Age Group Champs Max | ||
| 9313 | Adrik Biesecker | 54.95 | 9 | B: 48.29 (+6.66s | 12.1%) | Thunder Coast Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 9314 | Conrad Young | 54.95 | 10 | B: 48.29 (+6.66s | 12.1%) | Boothbay Region YMCA Dolphins | 02/27/2026 | 2026 NE Maine State Y Championships | ||
| 9315 | Michael Li | 54.96 | 9 | B: 48.29 (+6.67s | 12.1%) | First Colony Swim Team, Inc. | 11/08/2024 | Sharks November Invitational | ||
| 9316 | Silas Corp | 54.96 | 8 | B: 48.29 (+6.67s | 12.1%) | Barracuda Swim Club of Northea | 03/07/2026 | BSC Wonderful One Day Meet 372026 | ||
| 9317 | Beckett Malmin | 54.96 | 8 | B: 48.29 (+6.67s | 12.1%) | Aquajets Swim Team | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | ||
| 9318 | Cadell Rudebusch | 54.96 | 10 | B: 48.29 (+6.67s | 12.1%) | YMCA of the Chippewa Valley Ba | 12/13/2025 | 2025 MN RFSC Winter Invite | ||
| 9319 | Daniel Petrov | 54.97 | 10 | B: 48.29 (+6.68s | 12.2%) | Westlake Aquatic Facility | 12/13/2025 | 2025 ST WOW Hot Chocolate Jamboree | ||
| 9320 | Warren Harman | 54.97 | 8 | B: 48.29 (+6.68s | 12.2%) | McCallie-GPS Aquatics | 01/09/2026 | 2026 MCC January Invite | ||
| 9321 | James Frevola | 54.97 | 8 | B: 48.29 (+6.68s | 12.2%) | Team Suffolk | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | ||
| 9322 | Gavin Lorenzen | 54.97 | 9 | B: 48.29 (+6.68s | 12.2%) | Pacific Swim | 06/13/2026 | 2026 SI ICAC 14U RISING STARS 2 | ||
| 9323 | Finn Pevler | 54.98 | 8 | B: 48.29 (+6.69s | 12.2%) | Mountain State Storm | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | ||
| 9324 | Max Hanfman | 54.98 | 9 | B: 48.29 (+6.69s | 12.2%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | ||
| 9325 | Ronan Mak | 54.98 | 9 | B: 48.29 (+6.69s | 12.2%) | Patuxent Aquatics Club | 11/14/2025 | 2025PV November Open Fairland | ||
| 9326 | William May | 54.99 | 9 | B: 48.29 (+6.70s | 12.2%) | Atlantic Coast Athletic Club | 10/11/2025 | 2025 WAC Start Up Classic | ||
| 9327 | Ethan Lillie | 54.99 | 10 | B: 48.29 (+6.70s | 12.2%) | Club Wolverine | 02/21/2026 | 2026 CW Goldfish Invite | ||
| 9328 | Cooper Butcher | 54.99 | 8 | B: 48.29 (+6.70s | 12.2%) | 757swim | 02/07/2026 | 2026 8 And Under Southeastern District Champs | ||
| 9329 | Crew Clark | 54.99 | 9 | B: 48.29 (+6.70s | 12.2%) | Utah Valley Aquatics | 10/23/2025 | Mike Harper Mini Meet | ||
| 9330 | Henry Wollman | 54.99 | 9 | B: 48.29 (+6.70s | 12.2%) | Sonoma Sea Dragons | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 9331 | Mannix McVearry | 55.00 | 9 | B: 48.29 (+6.71s | 12.2%) | Waldo County YMCA Bluefish | 02/27/2026 | 2026 NE Maine State Y Championships | ||
| 9332 | Anvith Jangam | 55.00 | 8 | B: 48.29 (+6.71s | 12.2%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | ||
| 9333 | Owen Lewis | 55.00 | 7 | B: 48.29 (+6.71s | 12.2%) | Greater Nebraska Swim Team | 03/01/2026 | 2026 MW Midwestern 8 Under SC Invitational | ||
| 9334 | James Cronin | 55.00 | 8 | B: 48.29 (+6.71s | 12.2%) | Sebastopol Sea Serpents | 10/18/2025 | Morning Invite Pumpkin Plunge | ||
| 9335 | Everett Cotten | 55.00 | 8 | B: 48.29 (+6.71s | 12.2%) | Sarpy County Swim Club | 03/01/2026 | 2026 MW Midwestern 8 Under SC Invitational | ||
| 9336 | Greyson Long | 55.01 | 9 | B: 48.29 (+6.72s | 12.2%) | Academy Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 9337 | Arjun Gundlapally | 55.01 | 8 | B: 48.29 (+6.72s | 12.2%) | Bellingham Bay Swim Team | 05/09/2026 | 2026 PN BBST Take A Chance Invite Approved | ||
| 9338 | Ray Lin | 55.01 | 10 | B: 48.29 (+6.72s | 12.2%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 9339 | Amir Johnson | 55.02 | 10 | B: 48.29 (+6.73s | 12.2%) | Patuxent Aquatics Club | 12/06/2025 | 2025 PAC 11 Over Snow Globe Champs | ||
| 9340 | Dominik Zviagintsev | 55.02 | 9 | B: 48.29 (+6.73s | 12.2%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | ||
| 9341 | Parker Bradley | 55.03 | 8 | B: 48.29 (+6.74s | 12.2%) | Potomac Marlins | 12/06/2025 | 2025 Reindeer Mini Meet | ||
| 9342 | Julius Dorsey | 55.03 | 9 | B: 48.29 (+6.74s | 12.2%) | Capital of Texas Aquatics | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | ||
| 9343 | Gerin Kwo | 55.04 | 7 | B: 48.29 (+6.75s | 12.3%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | ||
| 9344 | Theodore McGoldrick | 55.04 | 8 | B: 48.29 (+6.75s | 12.3%) | Boise YMCA Swim Team | 12/20/2025 | 2025 BY Candy Cane Invitational | ||
| 9345 | Brandon Bailey | 55.04 | 9 | B: 48.29 (+6.75s | 12.3%) | South Whidbey Island Stingrays | 02/07/2026 | 2026 PN TAC Island Express | ||
| 9346 | Rex Jenkins | 55.04 | 7 | B: 48.29 (+6.75s | 12.3%) | SwimRise Aquatics | 02/20/2026 | 2026 Area 1 Spring Championships | ||
| 9347 | Kevin Lin | 55.04 | 10 | B: 48.29 (+6.75s | 12.3%) | Cougar Aquatics | 02/13/2026 | (Pullman) 2026 IES Jr Champs | ||
| 9348 | Emiliano Cantu | 55.05 | 10 | B: 48.29 (+6.76s | 12.3%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | ||
| 9349 | William Hamilton | 55.05 | 10 | B: 48.29 (+6.76s | 12.3%) | Fort Collins Area Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | ||
| 9350 | Michael Magdaleno | 55.05 | 10 | B: 48.29 (+6.76s | 12.3%) | Clover Aquatics | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | ||
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.