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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3251 | Levi Bowen | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | Portneuf Valley Swim Team | 10/25/2025 | Spook Splash 2025 | |
| 3252 | Adrian Goo | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | |
| 3253 | Beckett Toffle | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Millard Aquatic Club | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 3254 | Gavin Wamsley | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Powell Crosley YMCA | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3255 | Isaiah Gravette | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | SOL Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 3256 | Caden Seiber | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | University Place Aquatic Club | 02/14/2025 | 2025 PN UPAC 4th Annual February Fly In | |
| 3257 | Hudson Vieth | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 3258 | Evan Yoon | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3259 | Jeffrey Lou | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 3260 | Benjamin Lugo | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Pikes Peak Athletics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3261 | Jack Pordon | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3262 | Liam MacPherson | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 3263 | Alexander Langhans | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 3264 | Logan Yip | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 3265 | Griffin Perry | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Rockford Riptide | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 3266 | Abraham Carver | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Saint Petersburg Aquatics | 10/03/2025 | SPA FRIDAY NITE RACES OCT 3 2025 | |
| 3267 | Khalil Little | 43.49 | 6 | B Min | BB: 42.89 (+0.60s | 1.4%) | DeKalb Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 3268 | Harvey Brunk | 43.49 | 10 | B Min | BB: 42.89 (+0.60s | 1.4%) | Lenawee County Gators | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 3269 | Ryan Song | 43.49 | 9 | B Min | BB: 42.89 (+0.60s | 1.4%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 3270 | Mason Liu | 43.49 | 10 | B Min | BB: 42.89 (+0.60s | 1.4%) | Trident Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 3271 | William Campbell | 43.49 | 10 | B Min | BB: 42.89 (+0.60s | 1.4%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 3272 | Zixin Cheng | 43.49 | 9 | B Min | BB: 42.89 (+0.60s | 1.4%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 3273 | Philip McDevitt | 43.49 | 10 | B Min | BB: 42.89 (+0.60s | 1.4%) | Chinook Aquatic Club | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 3274 | Eddy Svirchuk | 43.50 | 10 | B Min | BB: 42.89 (+0.61s | 1.4%) | Andover-North Andover YMCA Hur | 01/30/2026 | 2026 NE GS Silver Championships | |
| 3275 | Lucas Estevez | 43.50 | 10 | B Min | BB: 42.89 (+0.61s | 1.4%) | South Florida Aquatic Club | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 3276 | Garret Carey | 43.50 | 10 | B Min | BB: 42.89 (+0.61s | 1.4%) | Midland Dolphins | 02/28/2026 | 2026 Last Chance Meet | |
| 3277 | Evan McGuire | 43.51 | 10 | B Min | BB: 42.89 (+0.62s | 1.4%) | Aquatex Swim & Water Polo Team | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 3278 | Cian Coyle | 43.51 | 9 | B Min | BB: 42.89 (+0.62s | 1.4%) | COSA Swimming | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 3279 | Quinton Lollar | 43.51 | 10 | B Min | BB: 42.89 (+0.62s | 1.4%) | Eagle Swimming Association | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 3280 | James Allen | 43.51 | 9 | B Min | BB: 42.89 (+0.62s | 1.4%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 3281 | Connor Lehman | 43.51 | 10 | B Min | BB: 42.89 (+0.62s | 1.4%) | Sea Lions Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 3282 | Adrian Feng | 43.51 | 9 | B Min | BB: 42.89 (+0.62s | 1.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3283 | Case Moody | 43.52 | 9 | B Min | BB: 42.89 (+0.63s | 1.4%) | Ensworth Aquatics | 12/13/2025 | 2025 Marshmallow Mini | |
| 3284 | Gabriel Mugavero | 43.52 | 10 | B Min | BB: 42.89 (+0.63s | 1.4%) | Huntington YMCA Bluefish | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 3285 | Andrew Griffith | 43.53 | 9 | B Min | BB: 42.89 (+0.64s | 1.5%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/07/2026 | PYSA Champs 2026 | |
| 3286 | William Wuchter | 43.53 | 8 | B Min | BB: 42.89 (+0.64s | 1.5%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 3287 | John Goddard | 43.53 | 10 | B Min | BB: 42.89 (+0.64s | 1.5%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 3288 | Matias Venturino | 43.53 | 9 | B Min | BB: 42.89 (+0.64s | 1.5%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 3289 | Ares Tang | 43.53 | 9 | B Min | BB: 42.89 (+0.64s | 1.5%) | Cape Cod Swim Club | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 3290 | Holden Hanna | 43.54 | 10 | B Min | BB: 42.89 (+0.65s | 1.5%) | Mission Aurora Colorado Swimmi | 03/13/2026 | Mile High Championship Invitational | |
| 3291 | Jeremy Medina | 43.54 | 9 | B Min | BB: 42.89 (+0.65s | 1.5%) | Kips Bay Makos | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 3292 | Carter Smith | 43.54 | 10 | B Min | BB: 42.89 (+0.65s | 1.5%) | Club Mountaineer Aquatics | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 3293 | Kanoa Kikuta | 43.54 | 9 | B Min | BB: 42.89 (+0.65s | 1.5%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 3294 | Nolan Wise | 43.55 | 10 | B Min | BB: 42.89 (+0.66s | 1.5%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 3295 | Aiden Zhang | 43.55 | 10 | B Min | BB: 42.89 (+0.66s | 1.5%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR FA Patriot Games Invitational | |
| 3296 | Jayden Xu | 43.55 | 9 | B Min | BB: 42.89 (+0.66s | 1.5%) | Metro Dynasty Swim Team | 02/13/2026 | 39th Black History Swim Meet | |
| 3297 | Lochlan Crouch | 43.56 | 10 | B Min | BB: 42.89 (+0.67s | 1.5%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 3298 | Indiana Smithey-Hudkins | 43.56 | 10 | B Min | BB: 42.89 (+0.67s | 1.5%) | Ransom Everglades Aquatic Club | 12/06/2025 | 2025 NMST December Holiday Invite | |
| 3299 | Benjamin Li | 43.56 | 9 | B Min | BB: 42.89 (+0.67s | 1.5%) | Eagle Swim Team Inc. | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 3300 | Ian Lu | 43.56 | 10 | B Min | BB: 42.89 (+0.67s | 1.5%) | YMCA of Snohomish County Barra | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
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.