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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4151 | Easton Gunther | 45.14 | 9 | B Min | BB: 42.89 (+2.25s | 5.0%) | Dolphin Club | 01/09/2026 | NOVA New Year S Kick Off | |
| 4152 | Caleb Tos | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 4153 | Trenton Ho | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Lone Star Aquatic Club | 09/26/2025 | 2025 ST LSAC Welcome To The Rock | |
| 4154 | Sidhanth Telang | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Shoals Aquatic Club | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 4155 | Griffin Ketchen | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 4156 | Elis Fishman | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Badger Swim Club,Inc. | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 4157 | Jackson Jimenez-Grimes | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Rattlers Swim Club | 11/02/2025 | 2025 BD Del Norte #2 | |
| 4158 | Aemon Meenaghan | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Team Eugene Aquatics | 06/05/2026 | 2026 June Mini Meet | |
| 4159 | Edwar Cabrera | 45.16 | 8 | B Min | BB: 42.89 (+2.27s | 5.0%) | El Paso Aqua Posse | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 4160 | Ezekiel Cabanilla | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Maui Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 4161 | Jayden Bae | 45.16 | 8 | B Min | BB: 42.89 (+2.27s | 5.0%) | Moons Aquatics Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 4162 | Leland Urban | 45.16 | 9 | B Min | BB: 42.89 (+2.27s | 5.0%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4163 | Vihaan Patsamatla | 45.16 | 9 | B Min | BB: 42.89 (+2.27s | 5.0%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 4164 | Enoch Li | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | |
| 4165 | Landon Ciaccio | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 4166 | Ragnar Seifert | 45.16 | 8 | B Min | BB: 42.89 (+2.27s | 5.0%) | Rebel Aquatic Club | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 4167 | Colby Senff | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Patuxent Aquatics Club | 02/13/2026 | 39th Black History Swim Meet | |
| 4168 | Jonathan Van Dalen | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 4169 | Ved Gadapa | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 4170 | Carter Dabbs | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Midland Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 4171 | Connor Pollak | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | York Swim Club of Northern Vir | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 4172 | Hohyeon Cho | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 4173 | Leon Labs | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4174 | Noah Godfrey | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Life Time Oregon Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 4175 | Henry Ashcroft | 45.18 | 10 | B Min | BB: 42.89 (+2.29s | 5.1%) | Madison Swimming Association | 10/03/2025 | October MSA Intrasquad 03Oct2025 Madison Swimming Association | |
| 4176 | Rhett Szymanski | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 4177 | Jaden McLaughlin | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Killer Whales Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 4178 | William Knauss IV | 45.19 | 8 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 4179 | Noah Primitivo | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nathan Hale | 02/20/2026 | 2026 WIAA 2A Boys HS State Champs OB | |
| 4180 | Callum Grant | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | |
| 4181 | Kyle Wong | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Albany Armada Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 4182 | Ian Basok | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 4183 | Clark Gibson | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4184 | Haley Garcia | 45.20 | 9 | B Min | BB: 42.89 (+2.31s | 5.1%) | Eagle Aquatics | 09/27/2025 | Eagle Fall Invite 2025 | |
| 4185 | Ethan Li | 45.20 | 10 | B Min | BB: 42.89 (+2.31s | 5.1%) | Los Altos Mountain View Aquati | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 4186 | Ethan Zhong | 45.20 | 9 | B Min | BB: 42.89 (+2.31s | 5.1%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 4187 | Bryan Xia | 45.20 | 7 | B Min | BB: 42.89 (+2.31s | 5.1%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 4188 | Braden Kimball | 45.21 | 8 | B Min | BB: 42.89 (+2.32s | 5.1%) | Williamsburg Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 4189 | Merritt Lee | 45.21 | 10 | B Min | BB: 42.89 (+2.32s | 5.1%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 4190 | Samuel Olvera | 45.21 | 9 | B Min | BB: 42.89 (+2.32s | 5.1%) | Boerne Elite Aquatics | 10/24/2025 | 2025 ST AAAA NS Spooky Splash | |
| 4191 | Bradley Mascio | 45.21 | 9 | B Min | BB: 42.89 (+2.32s | 5.1%) | Kissimmee Swim Association | 09/20/2025 | 2025 Heart Of Florida Swim Meet | |
| 4192 | Bryce Dymond | 45.21 | 10 | B Min | BB: 42.89 (+2.32s | 5.1%) | Pine Bush Piranhas | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4193 | Lucas Ryder | 45.21 | 8 | B Min | BB: 42.89 (+2.32s | 5.1%) | YMCA of Austin Swim Alliance | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 4194 | Ethan Zhao | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Phoenix Swimming | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 4195 | Felix Jackson | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Tualatin Hills Swim Club | 08/08/2025 | 2025 OR NST Seahorse Invitational | |
| 4196 | Landon King | 45.22 | 10 | B Min | BB: 42.89 (+2.33s | 5.2%) | Lone Star Aquatic Club | 12/20/2025 | 2025 ST SASA Tis The Season | |
| 4197 | Owen Schulte | 45.22 | 10 | B Min | BB: 42.89 (+2.33s | 5.2%) | South Shore Sails | 11/08/2024 | Sharks November Invitational | |
| 4198 | Patrick Rybicki | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Royal Swimming | 02/28/2026 | 2026 Last Chance Meet | |
| 4199 | Royce Ye | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Aquacise Swimming | 11/09/2025 | 2025 PN C Pentathlon | |
| 4200 | Brian Coelho | 45.22 | 9 | B Min | BB: 42.89 (+2.33s | 5.2%) | Sarasota Sharks | 12/13/2025 | 2025 T2 Candy Cane Meet | |
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.