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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Emerson Gruss-Russell | 45.15 | 10 | BB Min | A: 43.09 (+2.06s | 4.6%) | Atlantic Coast Athletic Club | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1002 | Carson Yin | 45.15 | 10 | BB Min | A: 43.09 (+2.06s | 4.6%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | |
| 1003 | Mikhail Lagzdin | 45.16 | 9 | BB Min | A: 43.09 (+2.07s | 4.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1004 | Benjamin Gonen | 45.16 | 9 | BB Min | A: 43.09 (+2.07s | 4.6%) | YMCA of Austin Swim Alliance | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 1005 | Michael Clark | 45.17 | 10 | BB Min | A: 43.09 (+2.08s | 4.6%) | East Hartford YMCA | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 1006 | Noah Song | 45.18 | 9 | BB Min | A: 43.09 (+2.09s | 4.6%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 1007 | Coleton Prillaman | 45.19 | 9 | BB Min | A: 43.09 (+2.10s | 4.6%) | Poseidon Swimming Inc | 04/17/2026 | NOVA Long Course Kick Off | |
| 1008 | Deniz Gokbulut | 45.19 | 10 | BB Min | A: 43.09 (+2.10s | 4.6%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1009 | Anderson Christopherson | 45.19 | 9 | BB Min | A: 43.09 (+2.10s | 4.6%) | YMCA of the Triangle Area Swim | 05/15/2026 | 2026 EAC Memorial Invite | |
| 1010 | Jason He | 45.19 | 10 | BB Min | A: 43.09 (+2.10s | 4.6%) | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 1011 | Oliver Ni | 45.20 | 10 | BB Min | A: 43.09 (+2.11s | 4.7%) | Makos Aquatics Club of Gainesv | 05/15/2026 | 2026 FAST May Invite | |
| 1012 | Russell Sanosi | 45.20 | 10 | BB Min | A: 43.09 (+2.11s | 4.7%) | Tide Swimming | 04/20/2024 | 2024 Black Vs Blue Intrasquad Meet | |
| 1013 | YuBo Wang | 45.20 | 10 | BB Min | A: 43.09 (+2.11s | 4.7%) | Laker Swim | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 1014 | Jacob Fischer | 45.21 | 9 | BB Min | A: 43.09 (+2.12s | 4.7%) | Greater Pensacola Aquatic Club | 04/11/2026 | 2026 GPAC LCM Time Trials | |
| 1015 | Mark Shcherbakov | 45.21 | 9 | BB Min | A: 43.09 (+2.12s | 4.7%) | Calabasas Waves | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 1016 | Hudson Porter | 45.22 | 10 | BB Min | A: 43.09 (+2.13s | 4.7%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1017 | Liam Somers | 45.23 | 10 | BB Min | A: 43.09 (+2.14s | 4.7%) | Longhorn Aquatics | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1018 | Arik Ekkaia | 45.23 | 8 | BB Min | A: 43.09 (+2.14s | 4.7%) | Aquajets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 1019 | Jaafar Lahmidi | 45.23 | 10 | BB Min | A: 43.09 (+2.14s | 4.7%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1020 | Tyler Morris | 45.23 | 10 | BB Min | A: 43.09 (+2.14s | 4.7%) | North Lexington YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 1021 | Zihao Wu | 45.24 | 9 | BB Min | A: 43.09 (+2.15s | 4.8%) | YMCA of the Triangle Area Swim | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 1022 | Aleksandr Rybin | 45.25 | 10 | BB Min | A: 43.09 (+2.16s | 4.8%) | King Aquatic Club | 04/25/2025 | 2025 PN KING Spring Derby | |
| 1023 | Caleb Lee | 45.26 | 10 | BB Min | A: 43.09 (+2.17s | 4.8%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 1024 | Zachary Iannamico | 45.27 | 10 | BB Min | A: 43.09 (+2.18s | 4.8%) | Inland Coastal Aquatic Club | 06/19/2026 | 2026 SI Splash And Dash | |
| 1025 | Avi Sethna | 45.27 | 10 | BB Min | A: 43.09 (+2.18s | 4.8%) | Beach Cities Alpha | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 1026 | Kyle Cheung | 45.28 | 10 | BB Min | A: 43.09 (+2.19s | 4.8%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1027 | Scott Maley | 45.29 | 10 | BB Min | A: 43.09 (+2.20s | 4.9%) | Rochester Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 1028 | Harrison Kyin | 45.30 | 10 | BB Min | A: 43.09 (+2.21s | 4.9%) | Cavalier Aquatics/Piedmont Fam | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 1029 | Ben Tollon | 45.30 | 9 | BB Min | A: 43.09 (+2.21s | 4.9%) | West Florida Lightning Aquatic | 06/26/2026 | 2026 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 1030 | Vincent Martino | 45.31 | 9 | BB Min | A: 43.09 (+2.22s | 4.9%) | Piranhas YMCA of the Suncoast | 06/25/2026 | 2026 FAST Independence Invitational | |
| 1031 | Ezekiel Beyer | 45.31 | 10 | BB Min | A: 43.09 (+2.22s | 4.9%) | Swim Dogs | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 1032 | Owen Yusko | 45.32 | 9 | BB Min | A: 43.09 (+2.23s | 4.9%) | Black Team | 04/11/2026 | Spring Showdown 2026 | |
| 1033 | Avyan Bajpai | 45.33 | 9 | BB Min | A: 43.09 (+2.24s | 4.9%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 1034 | Daniel Guo | 45.33 | 10 | BB Min | A: 43.09 (+2.24s | 4.9%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1035 | Aidan Campbell | 45.33 | 9 | BB Min | A: 43.09 (+2.24s | 4.9%) | Loyola Blakefield Aquatics | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 1036 | Wyatt Johnson | 45.33 | 9 | BB Min | A: 43.09 (+2.24s | 4.9%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 1037 | Caleb Taussig | 45.34 | 9 | BB Min | A: 43.09 (+2.25s | 5.0%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 1038 | Oliver Morris | 45.34 | 9 | BB Min | A: 43.09 (+2.25s | 5.0%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 1039 | Julian Kreth | 45.34 | 8 | BB Min | A: 43.09 (+2.25s | 5.0%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 1040 | Evan Buchanan | 45.34 | 10 | BB Min | A: 43.09 (+2.25s | 5.0%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1041 | Noah Chiu | 45.34 | 10 | BB Min | A: 43.09 (+2.25s | 5.0%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1042 | Sebastian Alfonso | 45.35 | 10 | BB Min | A: 43.09 (+2.26s | 5.0%) | Walnut Creek Aquabears | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1043 | David Suchkov | 45.35 | 9 | BB Min | A: 43.09 (+2.26s | 5.0%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1044 | Tristan Virone | 45.36 | 9 | BB Min | A: 43.09 (+2.27s | 5.0%) | Huntsville Swim Association | 04/18/2026 | HSA April LC Meet | |
| 1045 | Henry Odean | 45.36 | 9 | BB Min | A: 43.09 (+2.27s | 5.0%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 1046 | Brennan Corcoran | 45.36 | 9 | BB Min | A: 43.09 (+2.27s | 5.0%) | Naval Academy Aquatic Club | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 1047 | Anders Liljenberg | 45.37 | 9 | BB Min | A: 43.09 (+2.28s | 5.0%) | East Hartford YMCA | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 1048 | Liam Migel | 45.37 | 10 | BB Min | A: 43.09 (+2.28s | 5.0%) | Calvert Aquatics Club | 06/13/2026 | 2026 CAC Schools Out For Summer LCM Swim Meet | |
| 1049 | Charles Gochenour | 45.37 | 10 | BB Min | A: 43.09 (+2.28s | 5.0%) | Virginia Gators | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1050 | Flynn Chen | 45.38 | 10 | BB Min | A: 43.09 (+2.29s | 5.0%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA 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.