USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2301 | Leo Hrynevich | 50.94 | 7 | B Min | BB: 49.29 (+1.65s | 3.2%) | Brentwood Seawolves | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 2302 | Gage Sena | 50.94 | 10 | B Min | BB: 49.29 (+1.65s | 3.2%) | Lamarlins Swim Team, Inc. | 06/05/2026 | 2026 CO La Junta Tigersharks Invitational | |
| 2303 | Duncan Simpson | 50.94 | 10 | B Min | BB: 49.29 (+1.65s | 3.2%) | Canoe City Swim Club | 05/30/2026 | 2026 NE NSSC May Invitational At Colby | |
| 2304 | Aaron Wei | 50.95 | 9 | B Min | BB: 49.29 (+1.66s | 3.3%) | Ensworth Aquatics | 05/15/2026 | 2026 Officially Summer Invitational | |
| 2305 | Hank Melvan | 50.95 | 8 | B Min | BB: 49.29 (+1.66s | 3.3%) | Pompano Beach Piranhas | 05/22/2026 | 2026 Terrapin Invite | |
| 2306 | Riaan Chandak | 50.95 | 10 | B Min | BB: 49.29 (+1.66s | 3.3%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 2307 | William Chen | 50.95 | 10 | B Min | BB: 49.29 (+1.66s | 3.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 2308 | Jaroslav Rezac | 50.95 | 9 | B Min | BB: 49.29 (+1.66s | 3.3%) | Longmont Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 2309 | Jiangyuan Wang | 50.96 | 9 | B Min | BB: 49.29 (+1.67s | 3.3%) | Greensboro Community YMCA | 06/12/2026 | 2026 GCY Sprint And Distance | |
| 2310 | Woohyun Kim | 50.96 | 8 | B Min | BB: 49.29 (+1.67s | 3.3%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 2311 | Jordan Bulebush | 50.96 | 10 | B Min | BB: 49.29 (+1.67s | 3.3%) | New Wave Swim Team | 06/13/2026 | 2026 MOR Liberty Meet | |
| 2312 | Leonel Jimenez Martinez | 50.97 | 10 | B Min | BB: 49.29 (+1.68s | 3.3%) | Dorados | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 2313 | Colton Hester | 50.97 | 10 | B Min | BB: 49.29 (+1.68s | 3.3%) | Bulldog Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 2314 | Kenton Burrows | 50.97 | 8 | B Min | BB: 49.29 (+1.68s | 3.3%) | Blue Waves Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 2315 | David Stanley | 50.97 | 10 | B Min | BB: 49.29 (+1.68s | 3.3%) | Opelika Swim Team | 05/16/2026 | 2026 Opelika Open | |
| 2316 | Maximus Agresti | 50.98 | 9 | B Min | BB: 49.29 (+1.69s | 3.3%) | Punahou Aquatics Institute | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 2317 | Jackson Jimenez-Grimes | 50.98 | 10 | B Min | BB: 49.29 (+1.69s | 3.3%) | Rattlers Swim Club | 06/12/2026 | 2026 BD DSSC Poppas Day | |
| 2318 | Andrew Cox | 50.99 | 8 | B Min | BB: 49.29 (+1.70s | 3.3%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 2319 | Nikita Yegorov | 50.99 | 10 | B Min | BB: 49.29 (+1.70s | 3.3%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 2320 | Joaquin De Blas Davila | 51.00 | 10 | B Min | BB: 49.29 (+1.71s | 3.4%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 2321 | Ashton Banks | 51.00 | 10 | B Min | BB: 49.29 (+1.71s | 3.4%) | Tnt Swimming | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 2322 | Ezekiel Ortez | 51.00 | 10 | B Min | BB: 49.29 (+1.71s | 3.4%) | Norfolk YMCA Aquajets | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 2323 | Blake Boyer | 51.01 | 9 | B Min | BB: 49.29 (+1.72s | 3.4%) | Enfinity Aquatic Club | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 2324 | James Sollog | 51.02 | 9 | B Min | BB: 49.29 (+1.73s | 3.4%) | Nova of Virginia | 04/17/2026 | NOVA Long Course Kick Off | |
| 2325 | Rex Landry | 51.03 | 9 | B Min | BB: 49.29 (+1.74s | 3.4%) | Treasure Coast Aquatics | 05/22/2026 | 2026 Dr Aspi Doctor Memorial Swim Invite | |
| 2326 | James Gillis | 51.03 | 10 | B Min | BB: 49.29 (+1.74s | 3.4%) | YMCA of the Triangle Area Swim | 05/15/2026 | 2026 EAC Memorial Invite | |
| 2327 | Lorenzo Rosa Ibanez | 51.03 | 8 | B Min | BB: 49.29 (+1.74s | 3.4%) | Minnetonka Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2328 | Knox Turnipseed | 51.04 | 9 | B Min | BB: 49.29 (+1.75s | 3.4%) | Streamline Aquatics | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 2329 | Bryan Zhao | 51.04 | 9 | B Min | BB: 49.29 (+1.75s | 3.4%) | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2330 | Itai Nadav | 51.04 | 10 | B Min | BB: 49.29 (+1.75s | 3.4%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 2331 | Samuel Olvera | 51.05 | 9 | B Min | BB: 49.29 (+1.76s | 3.4%) | Boerne Elite Aquatics | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 2332 | Luke Jeong | 51.05 | 9 | B Min | BB: 49.29 (+1.76s | 3.4%) | Auburn Aquatics | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 2333 | Ziyi Yang | 51.06 | 9 | B Min | BB: 49.29 (+1.77s | 3.5%) | Shawmut Aquatic Club | 05/16/2026 | 2026 NE CS Spring Fever | |
| 2334 | Colin Lan | 51.06 | 8 | B Min | BB: 49.29 (+1.77s | 3.5%) | Tnt Swimming | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 2335 | Daniel Brown | 51.06 | 10 | B Min | BB: 49.29 (+1.77s | 3.5%) | Episcopal AmberJax | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 2336 | Aaron Im | 51.07 | 9 | B Min | BB: 49.29 (+1.78s | 3.5%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 2337 | Riley Lopez | 51.07 | 10 | B Min | BB: 49.29 (+1.78s | 3.5%) | Alamo Area Aquatic Association | 04/11/2025 | 2025 ST AAAA NS Spring Into Long Course | |
| 2338 | Yusuf Cavcic | 51.09 | 10 | B Min | BB: 49.29 (+1.80s | 3.5%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2339 | Robert Karpenko | 51.09 | 8 | B Min | BB: 49.29 (+1.80s | 3.5%) | University Place Aquatic Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2340 | Lukas Bergman | 51.09 | 9 | B Min | BB: 49.29 (+1.80s | 3.5%) | Rushmore Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 2341 | Odin Otterstrom | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 2342 | Grayson Horne | 51.10 | 9 | B Min | BB: 49.29 (+1.81s | 3.5%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 2343 | Colin Kershner | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 2344 | Vaughn Mahl | 51.10 | 9 | B Min | BB: 49.29 (+1.81s | 3.5%) | T2 Aquatics | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 2345 | Quinn Sengpiel | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | La Crosse Area Family YMCA Swi | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 2346 | Avri Dorn | 51.11 | 10 | B Min | BB: 49.29 (+1.82s | 3.6%) | Calvert Aquatics Club | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2347 | Jackson Scott | 51.11 | 10 | B Min | BB: 49.29 (+1.82s | 3.6%) | Coast Gaurd Blue Dolphins | 05/15/2026 | 2026 NCAC Meet On The Hill | |
| 2348 | Rowan Rothman | 51.11 | 7 | B Min | BB: 49.29 (+1.82s | 3.6%) | Evergreen Hurricanes | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2349 | Bennett Calliham | 51.12 | 9 | B Min | BB: 49.29 (+1.83s | 3.6%) | Loveland Swim Club | 06/27/2026 | 2026 CO Greeley Stampede | |
| 2350 | Reyansh Soni | 51.12 | 10 | B Min | BB: 49.29 (+1.83s | 3.6%) | Crimson Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
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.