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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2251 | Pax Vo | 50.80 | 9 | B Min | BB: 49.29 (+1.51s | 3.0%) | Germantown Swim Team | 05/29/2026 | 2026 Spring Invitational | |
| 2252 | Artem Kovalenko | 50.81 | 9 | B Min | BB: 49.29 (+1.52s | 3.0%) | Crimson Aquatics | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | |
| 2253 | Calder Pettersen | 50.81 | 9 | B Min | BB: 49.29 (+1.52s | 3.0%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 2254 | Linus Teufel | 50.82 | 10 | B Min | BB: 49.29 (+1.53s | 3.0%) | Florida West Coast Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 2255 | Leonardo Torres Huchin | 50.83 | 9 | B Min | BB: 49.29 (+1.54s | 3.0%) | Colts | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 2256 | Logan Walker | 50.83 | 10 | B Min | BB: 49.29 (+1.54s | 3.0%) | Fort Collins Area Swim Team | 06/05/2026 | 2026 CO FAST June Bonanza Open | |
| 2257 | Gavin Svec | 50.85 | 10 | B Min | BB: 49.29 (+1.56s | 3.1%) | Lakeside Swim Team | 05/15/2026 | 2026 Triton Summer Launch | |
| 2258 | Micah Brown | 50.85 | 9 | B Min | BB: 49.29 (+1.56s | 3.1%) | MN Flyers Swim Team | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 2259 | Graham Carroll | 50.85 | 10 | B Min | BB: 49.29 (+1.56s | 3.1%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 2260 | Maxx Yu | 50.85 | 10 | B Min | BB: 49.29 (+1.56s | 3.1%) | Burlingame Aquatics | 07/25/2026 | Alto Last Splash | |
| 2261 | Hongxiao Chen | 50.86 | 10 | B Min | BB: 49.29 (+1.57s | 3.1%) | Holyoke YMCA Vikings | 05/09/2026 | 2026 NE NSSC Specialty At Springfield College | |
| 2262 | Damian Rodriguez Garcia | 50.87 | 8 | B Min | BB: 49.29 (+1.58s | 3.1%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 2263 | Ricken Khanna | 50.87 | 9 | B Min | BB: 49.29 (+1.58s | 3.1%) | Catawba Valley Aquatic Club | 06/20/2026 | 2026 NCS QCD Long Course Invite | |
| 2264 | Marko Tamburi | 50.87 | 10 | B Min | BB: 49.29 (+1.58s | 3.1%) | Star Aquatics | 05/15/2026 | 2026 EAC Memorial Invite | |
| 2265 | Patrick Hanna | 50.87 | 9 | B Min | BB: 49.29 (+1.58s | 3.1%) | Team Vortex | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 2266 | Kyle Hargenrader | 50.88 | 9 | B Min | BB: 49.29 (+1.59s | 3.1%) | Steel City Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 2267 | Roman Shabashov | 50.88 | 10 | B Min | BB: 49.29 (+1.59s | 3.1%) | Belmont Aquatic Team | 04/11/2026 | 2026 NE CS Season Opener | |
| 2268 | Allen Liu | 50.88 | 8 | B Min | BB: 49.29 (+1.59s | 3.1%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2269 | John Reilly | 50.88 | 10 | B Min | BB: 49.29 (+1.59s | 3.1%) | Lexington Dolphins | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 2270 | Samuel Gusev | 50.89 | 8 | B Min | BB: 49.29 (+1.60s | 3.1%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 2271 | Zhiyi Ma | 50.89 | 10 | B Min | BB: 49.29 (+1.60s | 3.1%) | White Water | 05/15/2026 | 2026 PTAC Tiger Challenge | |
| 2272 | Archer Liu | 50.89 | 10 | B Min | BB: 49.29 (+1.60s | 3.1%) | HEAT- Hudson Explorers Aquatic | 07/10/2026 | 2026 OH NE LC Regional Champs | |
| 2273 | Victor Secor | 50.89 | 10 | B Min | BB: 49.29 (+1.60s | 3.1%) | Orinda Aquatics | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 2274 | Harrison Kirby | 50.89 | 9 | B Min | BB: 49.29 (+1.60s | 3.1%) | Ensworth Aquatics | 07/10/2026 | 2026 July Jam | |
| 2275 | Bruno Rech | 50.89 | 8 | B Min | BB: 49.29 (+1.60s | 3.1%) | Lone Star Aquatic Club | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 2276 | Liam Park | 50.89 | 10 | B Min | BB: 49.29 (+1.60s | 3.1%) | Punahou Aquatics Institute | 07/16/2026 | 2026 HISI LCM Championships | |
| 2277 | John Patane | 50.90 | 9 | B Min | BB: 49.29 (+1.61s | 3.2%) | Sonoma Sea Dragons | 06/12/2026 | Neptune Swimming June LC Meet | |
| 2278 | Adam Oorlog | 50.90 | 10 | B Min | BB: 49.29 (+1.61s | 3.2%) | Brookings Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 2279 | John Calhoun | 50.92 | 10 | B Min | BB: 49.29 (+1.63s | 3.2%) | Nova of Virginia | 05/17/2024 | Freedom Splash | |
| 2280 | William Marilla | 50.92 | 9 | B Min | BB: 49.29 (+1.63s | 3.2%) | Cca Marlins of Virginia | 05/01/2026 | 2026 HOKI May Day Invite Copied | |
| 2281 | Kai Zhou | 50.93 | 9 | B Min | BB: 49.29 (+1.64s | 3.2%) | Lakeside Swim Team | 05/15/2026 | 2026 Triton Summer Launch | |
| 2282 | Kyrie Liu | 50.94 | 9 | B Min | BB: 49.29 (+1.65s | 3.2%) | Charles River Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2283 | Jack Jacobsen | 50.94 | 8 | B Min | BB: 49.29 (+1.65s | 3.2%) | Bozeman Barracudas Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 2284 | 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 | |
| 2285 | 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+ | |
| 2286 | Hank Melvan | 50.95 | 8 | B Min | BB: 49.29 (+1.66s | 3.3%) | Pompano Beach Piranhas | 05/22/2026 | 2026 Terrapin Invite | |
| 2287 | William Chen | 50.95 | 10 | B Min | BB: 49.29 (+1.66s | 3.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 2288 | Jaroslav Rezac | 50.95 | 10 | B Min | BB: 49.29 (+1.66s | 3.3%) | Longmont Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 2289 | 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 | |
| 2290 | 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 | |
| 2291 | Asher Friedlander | 50.96 | 9 | B Min | BB: 49.29 (+1.67s | 3.3%) | Life Time Colorado Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 2292 | 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 | |
| 2293 | 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 | |
| 2294 | Colton Hester | 50.97 | 10 | B Min | BB: 49.29 (+1.68s | 3.3%) | Bulldog Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 2295 | Kaimana Zablan | 50.98 | 10 | B Min | BB: 49.29 (+1.69s | 3.3%) | Kona Aquatics Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 2296 | 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 | |
| 2297 | 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 | |
| 2298 | Xavier Tuazon | 50.99 | 8 | B Min | BB: 49.29 (+1.70s | 3.3%) | Cougar Aquatic Team | 06/13/2026 | 2026 Big CAT LC Challenge | |
| 2299 | 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 | |
| 2300 | 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 | |
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.